1 /* tc-ppc.c -- Assemble for the PowerPC or POWER (RS/6000)
2 Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
3 Free Software Foundation, Inc.
4 Written by Ian Lance Taylor, Cygnus Support.
6 This file is part of GAS, the GNU Assembler.
8 GAS is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
13 GAS is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GAS; see the file COPYING. If not, write to the Free
20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
25 #include "safe-ctype.h"
28 #include "opcode/ppc.h"
32 #include "dwarf2dbg.h"
39 /* This is the assembler for the PowerPC or POWER (RS/6000) chips. */
41 /* Tell the main code what the endianness is. */
42 extern int target_big_endian;
44 /* Whether or not, we've set target_big_endian. */
45 static int set_target_endian = 0;
47 /* Whether to use user friendly register names. */
48 #ifndef TARGET_REG_NAMES_P
50 #define TARGET_REG_NAMES_P TRUE
52 #define TARGET_REG_NAMES_P FALSE
56 /* Macros for calculating LO, HI, HA, HIGHER, HIGHERA, HIGHEST,
59 /* #lo(value) denotes the least significant 16 bits of the indicated. */
60 #define PPC_LO(v) ((v) & 0xffff)
62 /* #hi(value) denotes bits 16 through 31 of the indicated value. */
63 #define PPC_HI(v) (((v) >> 16) & 0xffff)
65 /* #ha(value) denotes the high adjusted value: bits 16 through 31 of
66 the indicated value, compensating for #lo() being treated as a
68 #define PPC_HA(v) PPC_HI ((v) + 0x8000)
70 /* #higher(value) denotes bits 32 through 47 of the indicated value. */
71 #define PPC_HIGHER(v) (((v) >> 16 >> 16) & 0xffff)
73 /* #highera(value) denotes bits 32 through 47 of the indicated value,
74 compensating for #lo() being treated as a signed number. */
75 #define PPC_HIGHERA(v) PPC_HIGHER ((v) + 0x8000)
77 /* #highest(value) denotes bits 48 through 63 of the indicated value. */
78 #define PPC_HIGHEST(v) (((v) >> 24 >> 24) & 0xffff)
80 /* #highesta(value) denotes bits 48 through 63 of the indicated value,
81 compensating for #lo being treated as a signed number. */
82 #define PPC_HIGHESTA(v) PPC_HIGHEST ((v) + 0x8000)
84 #define SEX16(val) ((((val) & 0xffff) ^ 0x8000) - 0x8000)
86 static bfd_boolean reg_names_p = TARGET_REG_NAMES_P;
88 static bfd_boolean register_name PARAMS ((expressionS *));
89 static void ppc_set_cpu PARAMS ((void));
90 static unsigned long ppc_insert_operand
91 PARAMS ((unsigned long insn, const struct powerpc_operand *operand,
92 offsetT val, char *file, unsigned int line));
93 static void ppc_macro PARAMS ((char *str, const struct powerpc_macro *macro));
94 static void ppc_byte PARAMS ((int));
96 #if defined (OBJ_XCOFF) || defined (OBJ_ELF)
97 static int ppc_is_toc_sym PARAMS ((symbolS *sym));
98 static void ppc_tc PARAMS ((int));
99 static void ppc_machine PARAMS ((int));
103 static void ppc_comm PARAMS ((int));
104 static void ppc_bb PARAMS ((int));
105 static void ppc_bc PARAMS ((int));
106 static void ppc_bf PARAMS ((int));
107 static void ppc_biei PARAMS ((int));
108 static void ppc_bs PARAMS ((int));
109 static void ppc_eb PARAMS ((int));
110 static void ppc_ec PARAMS ((int));
111 static void ppc_ef PARAMS ((int));
112 static void ppc_es PARAMS ((int));
113 static void ppc_csect PARAMS ((int));
114 static void ppc_change_csect PARAMS ((symbolS *));
115 static void ppc_function PARAMS ((int));
116 static void ppc_extern PARAMS ((int));
117 static void ppc_lglobl PARAMS ((int));
118 static void ppc_section PARAMS ((int));
119 static void ppc_named_section PARAMS ((int));
120 static void ppc_stabx PARAMS ((int));
121 static void ppc_rename PARAMS ((int));
122 static void ppc_toc PARAMS ((int));
123 static void ppc_xcoff_cons PARAMS ((int));
124 static void ppc_vbyte PARAMS ((int));
128 static bfd_reloc_code_real_type ppc_elf_suffix PARAMS ((char **, expressionS *));
129 static void ppc_elf_cons PARAMS ((int));
130 static void ppc_elf_rdata PARAMS ((int));
131 static void ppc_elf_lcomm PARAMS ((int));
132 static void ppc_elf_validate_fix PARAMS ((fixS *, segT));
133 static void ppc_apuinfo_section_add PARAMS ((unsigned int apu, unsigned int version));
137 static void ppc_set_current_section PARAMS ((segT));
138 static void ppc_previous PARAMS ((int));
139 static void ppc_pdata PARAMS ((int));
140 static void ppc_ydata PARAMS ((int));
141 static void ppc_reldata PARAMS ((int));
142 static void ppc_rdata PARAMS ((int));
143 static void ppc_ualong PARAMS ((int));
144 static void ppc_znop PARAMS ((int));
145 static void ppc_pe_comm PARAMS ((int));
146 static void ppc_pe_section PARAMS ((int));
147 static void ppc_pe_function PARAMS ((int));
148 static void ppc_pe_tocd PARAMS ((int));
151 /* Generic assembler global variables which must be defined by all
155 /* This string holds the chars that always start a comment. If the
156 pre-processor is disabled, these aren't very useful. The macro
157 tc_comment_chars points to this. We use this, rather than the
158 usual comment_chars, so that we can switch for Solaris conventions. */
159 static const char ppc_solaris_comment_chars[] = "#!";
160 static const char ppc_eabi_comment_chars[] = "#";
162 #ifdef TARGET_SOLARIS_COMMENT
163 const char *ppc_comment_chars = ppc_solaris_comment_chars;
165 const char *ppc_comment_chars = ppc_eabi_comment_chars;
168 const char comment_chars[] = "#";
171 /* Characters which start a comment at the beginning of a line. */
172 const char line_comment_chars[] = "#";
174 /* Characters which may be used to separate multiple commands on a
176 const char line_separator_chars[] = ";";
178 /* Characters which are used to indicate an exponent in a floating
180 const char EXP_CHARS[] = "eE";
182 /* Characters which mean that a number is a floating point constant,
184 const char FLT_CHARS[] = "dD";
186 /* '+' and '-' can be used as postfix predicate predictors for conditional
187 branches. So they need to be accepted as symbol characters. */
188 const char ppc_symbol_chars[] = "+-";
190 /* The target specific pseudo-ops which we support. */
192 const pseudo_typeS md_pseudo_table[] =
194 /* Pseudo-ops which must be overridden. */
195 { "byte", ppc_byte, 0 },
198 /* Pseudo-ops specific to the RS/6000 XCOFF format. Some of these
199 legitimately belong in the obj-*.c file. However, XCOFF is based
200 on COFF, and is only implemented for the RS/6000. We just use
201 obj-coff.c, and add what we need here. */
202 { "comm", ppc_comm, 0 },
203 { "lcomm", ppc_comm, 1 },
207 { "bi", ppc_biei, 0 },
209 { "csect", ppc_csect, 0 },
210 { "data", ppc_section, 'd' },
214 { "ei", ppc_biei, 1 },
216 { "extern", ppc_extern, 0 },
217 { "function", ppc_function, 0 },
218 { "lglobl", ppc_lglobl, 0 },
219 { "rename", ppc_rename, 0 },
220 { "section", ppc_named_section, 0 },
221 { "stabx", ppc_stabx, 0 },
222 { "text", ppc_section, 't' },
223 { "toc", ppc_toc, 0 },
224 { "long", ppc_xcoff_cons, 2 },
225 { "llong", ppc_xcoff_cons, 3 },
226 { "word", ppc_xcoff_cons, 1 },
227 { "short", ppc_xcoff_cons, 1 },
228 { "vbyte", ppc_vbyte, 0 },
232 { "llong", ppc_elf_cons, 8 },
233 { "quad", ppc_elf_cons, 8 },
234 { "long", ppc_elf_cons, 4 },
235 { "word", ppc_elf_cons, 2 },
236 { "short", ppc_elf_cons, 2 },
237 { "rdata", ppc_elf_rdata, 0 },
238 { "rodata", ppc_elf_rdata, 0 },
239 { "lcomm", ppc_elf_lcomm, 0 },
243 /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */
244 { "previous", ppc_previous, 0 },
245 { "pdata", ppc_pdata, 0 },
246 { "ydata", ppc_ydata, 0 },
247 { "reldata", ppc_reldata, 0 },
248 { "rdata", ppc_rdata, 0 },
249 { "ualong", ppc_ualong, 0 },
250 { "znop", ppc_znop, 0 },
251 { "comm", ppc_pe_comm, 0 },
252 { "lcomm", ppc_pe_comm, 1 },
253 { "section", ppc_pe_section, 0 },
254 { "function", ppc_pe_function,0 },
255 { "tocd", ppc_pe_tocd, 0 },
258 #if defined (OBJ_XCOFF) || defined (OBJ_ELF)
260 { "machine", ppc_machine, 0 },
267 /* Predefined register names if -mregnames (or default for Windows NT).
268 In general, there are lots of them, in an attempt to be compatible
269 with a number of other Windows NT assemblers. */
271 /* Structure to hold information about predefined registers. */
278 /* List of registers that are pre-defined:
280 Each general register has predefined names of the form:
281 1. r<reg_num> which has the value <reg_num>.
282 2. r.<reg_num> which has the value <reg_num>.
284 Each floating point register has predefined names of the form:
285 1. f<reg_num> which has the value <reg_num>.
286 2. f.<reg_num> which has the value <reg_num>.
288 Each vector unit register has predefined names of the form:
289 1. v<reg_num> which has the value <reg_num>.
290 2. v.<reg_num> which has the value <reg_num>.
292 Each condition register has predefined names of the form:
293 1. cr<reg_num> which has the value <reg_num>.
294 2. cr.<reg_num> which has the value <reg_num>.
296 There are individual registers as well:
297 sp or r.sp has the value 1
298 rtoc or r.toc has the value 2
299 fpscr has the value 0
305 dsisr has the value 18
307 sdr1 has the value 25
308 srr0 has the value 26
309 srr1 has the value 27
311 The table is sorted. Suitable for searching by a binary search. */
313 static const struct pd_reg pre_defined_registers[] =
315 { "cr.0", 0 }, /* Condition Registers */
335 { "dar", 19 }, /* Data Access Register */
336 { "dec", 22 }, /* Decrementer */
337 { "dsisr", 18 }, /* Data Storage Interrupt Status Register */
339 { "f.0", 0 }, /* Floating point registers */
407 { "lr", 8 }, /* Link Register */
411 { "r.0", 0 }, /* General Purpose Registers */
444 { "r.sp", 1 }, /* Stack Pointer */
446 { "r.toc", 2 }, /* Pointer to the table of contents */
448 { "r0", 0 }, /* More general purpose registers */
481 { "rtoc", 2 }, /* Table of contents */
483 { "sdr1", 25 }, /* Storage Description Register 1 */
487 { "srr0", 26 }, /* Machine Status Save/Restore Register 0 */
488 { "srr1", 27 }, /* Machine Status Save/Restore Register 1 */
490 { "v.0", 0 }, /* Vector registers */
560 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
562 /* Given NAME, find the register number associated with that name, return
563 the integer value associated with the given name or -1 on failure. */
565 static int reg_name_search
566 PARAMS ((const struct pd_reg *, int, const char * name));
569 reg_name_search (regs, regcount, name)
570 const struct pd_reg *regs;
574 int middle, low, high;
582 middle = (low + high) / 2;
583 cmp = strcasecmp (name, regs[middle].name);
589 return regs[middle].value;
597 * Summary of register_name.
599 * in: Input_line_pointer points to 1st char of operand.
601 * out: A expressionS.
602 * The operand may have been a register: in this case, X_op == O_register,
603 * X_add_number is set to the register number, and truth is returned.
604 * Input_line_pointer->(next non-blank) char after operand, or is in its
609 register_name (expressionP)
610 expressionS *expressionP;
617 /* Find the spelling of the operand. */
618 start = name = input_line_pointer;
619 if (name[0] == '%' && ISALPHA (name[1]))
620 name = ++input_line_pointer;
622 else if (!reg_names_p || !ISALPHA (name[0]))
625 c = get_symbol_end ();
626 reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name);
628 /* Put back the delimiting char. */
629 *input_line_pointer = c;
631 /* Look to see if it's in the register table. */
634 expressionP->X_op = O_register;
635 expressionP->X_add_number = reg_number;
637 /* Make the rest nice. */
638 expressionP->X_add_symbol = NULL;
639 expressionP->X_op_symbol = NULL;
643 /* Reset the line as if we had not done anything. */
644 input_line_pointer = start;
648 /* This function is called for each symbol seen in an expression. It
649 handles the special parsing which PowerPC assemblers are supposed
650 to use for condition codes. */
652 /* Whether to do the special parsing. */
653 static bfd_boolean cr_operand;
655 /* Names to recognize in a condition code. This table is sorted. */
656 static const struct pd_reg cr_names[] =
673 /* Parsing function. This returns non-zero if it recognized an
677 ppc_parse_name (name, expr)
686 val = reg_name_search (cr_names, sizeof cr_names / sizeof cr_names[0],
691 expr->X_op = O_constant;
692 expr->X_add_number = val;
697 /* Local variables. */
699 /* The type of processor we are assembling for. This is one or more
700 of the PPC_OPCODE flags defined in opcode/ppc.h. */
701 static unsigned long ppc_cpu = 0;
703 /* Whether to target xcoff64/elf64. */
704 static unsigned int ppc_obj64 = BFD_DEFAULT_TARGET_SIZE == 64;
706 /* Opcode hash table. */
707 static struct hash_control *ppc_hash;
709 /* Macro hash table. */
710 static struct hash_control *ppc_macro_hash;
713 /* What type of shared library support to use. */
714 static enum { SHLIB_NONE, SHLIB_PIC, SHLIB_MRELOCATABLE } shlib = SHLIB_NONE;
716 /* Flags to set in the elf header. */
717 static flagword ppc_flags = 0;
719 /* Whether this is Solaris or not. */
720 #ifdef TARGET_SOLARIS_COMMENT
721 #define SOLARIS_P TRUE
723 #define SOLARIS_P FALSE
726 static bfd_boolean msolaris = SOLARIS_P;
731 /* The RS/6000 assembler uses the .csect pseudo-op to generate code
732 using a bunch of different sections. These assembler sections,
733 however, are all encompassed within the .text or .data sections of
734 the final output file. We handle this by using different
735 subsegments within these main segments. */
737 /* Next subsegment to allocate within the .text segment. */
738 static subsegT ppc_text_subsegment = 2;
740 /* Linked list of csects in the text section. */
741 static symbolS *ppc_text_csects;
743 /* Next subsegment to allocate within the .data segment. */
744 static subsegT ppc_data_subsegment = 2;
746 /* Linked list of csects in the data section. */
747 static symbolS *ppc_data_csects;
749 /* The current csect. */
750 static symbolS *ppc_current_csect;
752 /* The RS/6000 assembler uses a TOC which holds addresses of functions
753 and variables. Symbols are put in the TOC with the .tc pseudo-op.
754 A special relocation is used when accessing TOC entries. We handle
755 the TOC as a subsegment within the .data segment. We set it up if
756 we see a .toc pseudo-op, and save the csect symbol here. */
757 static symbolS *ppc_toc_csect;
759 /* The first frag in the TOC subsegment. */
760 static fragS *ppc_toc_frag;
762 /* The first frag in the first subsegment after the TOC in the .data
763 segment. NULL if there are no subsegments after the TOC. */
764 static fragS *ppc_after_toc_frag;
766 /* The current static block. */
767 static symbolS *ppc_current_block;
769 /* The COFF debugging section; set by md_begin. This is not the
770 .debug section, but is instead the secret BFD section which will
771 cause BFD to set the section number of a symbol to N_DEBUG. */
772 static asection *ppc_coff_debug_section;
774 #endif /* OBJ_XCOFF */
778 /* Various sections that we need for PE coff support. */
779 static segT ydata_section;
780 static segT pdata_section;
781 static segT reldata_section;
782 static segT rdata_section;
783 static segT tocdata_section;
785 /* The current section and the previous section. See ppc_previous. */
786 static segT ppc_previous_section;
787 static segT ppc_current_section;
792 symbolS *GOT_symbol; /* Pre-defined "_GLOBAL_OFFSET_TABLE" */
793 #define PPC_APUINFO_ISEL 0x40
794 #define PPC_APUINFO_PMR 0x41
795 #define PPC_APUINFO_RFMCI 0x42
796 #define PPC_APUINFO_CACHELCK 0x43
797 #define PPC_APUINFO_SPE 0x100
798 #define PPC_APUINFO_EFS 0x101
799 #define PPC_APUINFO_BRLOCK 0x102
802 * We keep a list of APUinfo
804 unsigned long *ppc_apuinfo_list;
805 unsigned int ppc_apuinfo_num;
806 unsigned int ppc_apuinfo_num_alloc;
810 const char *const md_shortopts = "b:l:usm:K:VQ:";
812 const char *const md_shortopts = "um:";
814 const struct option md_longopts[] = {
815 {NULL, no_argument, NULL, 0}
817 const size_t md_longopts_size = sizeof (md_longopts);
820 md_parse_option (c, arg)
827 /* -u means that any undefined symbols should be treated as
828 external, which is the default for gas anyhow. */
833 /* Solaris as takes -le (presumably for little endian). For completeness
834 sake, recognize -be also. */
835 if (strcmp (arg, "e") == 0)
837 target_big_endian = 0;
838 set_target_endian = 1;
846 if (strcmp (arg, "e") == 0)
848 target_big_endian = 1;
849 set_target_endian = 1;
857 /* Recognize -K PIC. */
858 if (strcmp (arg, "PIC") == 0 || strcmp (arg, "pic") == 0)
861 ppc_flags |= EF_PPC_RELOCATABLE_LIB;
869 /* a64 and a32 determine whether to use XCOFF64 or XCOFF32. */
871 if (strcmp (arg, "64") == 0)
876 as_fatal (_("%s unsupported"), "-a64");
879 else if (strcmp (arg, "32") == 0)
886 /* -mpwrx and -mpwr2 mean to assemble for the IBM POWER/2
888 if (strcmp (arg, "pwrx") == 0 || strcmp (arg, "pwr2") == 0)
889 ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_POWER2 | PPC_OPCODE_32;
890 /* -mpwr means to assemble for the IBM POWER (RIOS1). */
891 else if (strcmp (arg, "pwr") == 0)
892 ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_32;
893 /* -m601 means to assemble for the PowerPC 601, which includes
894 instructions that are holdovers from the Power. */
895 else if (strcmp (arg, "601") == 0)
896 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
897 | PPC_OPCODE_601 | PPC_OPCODE_32);
898 /* -mppc, -mppc32, -m603, and -m604 mean to assemble for the
900 else if (strcmp (arg, "ppc") == 0
901 || strcmp (arg, "ppc32") == 0
902 || strcmp (arg, "603") == 0
903 || strcmp (arg, "604") == 0)
904 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32;
905 /* -m403 and -m405 mean to assemble for the PowerPC 403/405. */
906 else if (strcmp (arg, "403") == 0
907 || strcmp (arg, "405") == 0)
908 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
909 | PPC_OPCODE_403 | PPC_OPCODE_32);
910 else if (strcmp (arg, "7400") == 0
911 || strcmp (arg, "7410") == 0
912 || strcmp (arg, "7450") == 0
913 || strcmp (arg, "7455") == 0)
914 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
915 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_32);
916 else if (strcmp (arg, "altivec") == 0)
919 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC;
921 ppc_cpu |= PPC_OPCODE_ALTIVEC;
923 else if (strcmp (arg, "e500") == 0 || strcmp (arg, "e500x2") == 0)
925 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE
926 | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK
927 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK
930 else if (strcmp (arg, "spe") == 0)
933 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_SPE | PPC_OPCODE_EFS;
935 ppc_cpu |= PPC_OPCODE_SPE;
937 /* -mppc64 and -m620 mean to assemble for the 64-bit PowerPC
939 else if (strcmp (arg, "ppc64") == 0 || strcmp (arg, "620") == 0)
941 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64;
943 else if (strcmp (arg, "ppc64bridge") == 0)
945 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
946 | PPC_OPCODE_64_BRIDGE | PPC_OPCODE_64);
948 /* -mbooke/-mbooke32 mean enable 32-bit BookE support. */
949 else if (strcmp (arg, "booke") == 0 || strcmp (arg, "booke32") == 0)
951 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32;
953 /* -mbooke64 means enable 64-bit BookE support. */
954 else if (strcmp (arg, "booke64") == 0)
956 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE
957 | PPC_OPCODE_BOOKE64 | PPC_OPCODE_64);
959 else if (strcmp (arg, "power4") == 0)
961 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
962 | PPC_OPCODE_64 | PPC_OPCODE_POWER4);
964 /* -mcom means assemble for the common intersection between Power
965 and PowerPC. At present, we just allow the union, rather
966 than the intersection. */
967 else if (strcmp (arg, "com") == 0)
968 ppc_cpu = PPC_OPCODE_COMMON | PPC_OPCODE_32;
969 /* -many means to assemble for any architecture (PWR/PWRX/PPC). */
970 else if (strcmp (arg, "any") == 0)
971 ppc_cpu = PPC_OPCODE_ANY | PPC_OPCODE_32;
973 else if (strcmp (arg, "regnames") == 0)
976 else if (strcmp (arg, "no-regnames") == 0)
980 /* -mrelocatable/-mrelocatable-lib -- warn about initializations
981 that require relocation. */
982 else if (strcmp (arg, "relocatable") == 0)
984 shlib = SHLIB_MRELOCATABLE;
985 ppc_flags |= EF_PPC_RELOCATABLE;
988 else if (strcmp (arg, "relocatable-lib") == 0)
990 shlib = SHLIB_MRELOCATABLE;
991 ppc_flags |= EF_PPC_RELOCATABLE_LIB;
994 /* -memb, set embedded bit. */
995 else if (strcmp (arg, "emb") == 0)
996 ppc_flags |= EF_PPC_EMB;
998 /* -mlittle/-mbig set the endianess. */
999 else if (strcmp (arg, "little") == 0
1000 || strcmp (arg, "little-endian") == 0)
1002 target_big_endian = 0;
1003 set_target_endian = 1;
1006 else if (strcmp (arg, "big") == 0 || strcmp (arg, "big-endian") == 0)
1008 target_big_endian = 1;
1009 set_target_endian = 1;
1012 else if (strcmp (arg, "solaris") == 0)
1015 ppc_comment_chars = ppc_solaris_comment_chars;
1018 else if (strcmp (arg, "no-solaris") == 0)
1021 ppc_comment_chars = ppc_eabi_comment_chars;
1026 as_bad (_("invalid switch -m%s"), arg);
1032 /* -V: SVR4 argument to print version ID. */
1034 print_version_id ();
1037 /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section
1038 should be emitted or not. FIXME: Not implemented. */
1042 /* Solaris takes -s to specify that .stabs go in a .stabs section,
1043 rather than .stabs.excl, which is ignored by the linker.
1044 FIXME: Not implemented. */
1060 md_show_usage (stream)
1063 fprintf (stream, _("\
1065 -a32 generate ELF32/XCOFF32\n\
1066 -a64 generate ELF64/XCOFF64\n\
1068 -mpwrx, -mpwr2 generate code for POWER/2 (RIOS2)\n\
1069 -mpwr generate code for POWER (RIOS1)\n\
1070 -m601 generate code for PowerPC 601\n\
1071 -mppc, -mppc32, -m603, -m604\n\
1072 generate code for PowerPC 603/604\n\
1073 -m403, -m405 generate code for PowerPC 403/405\n\
1074 -m7400, -m7410, -m7450, -m7455\n\
1075 generate code For PowerPC 7400/7410/7450/7455\n"));
1076 fprintf (stream, _("\
1077 -mppc64, -m620 generate code for PowerPC 620/625/630\n\
1078 -mppc64bridge generate code for PowerPC 64, including bridge insns\n\
1079 -mbooke64 generate code for 64-bit PowerPC BookE\n\
1080 -mbooke, mbooke32 generate code for 32-bit PowerPC BookE\n\
1081 -mpower4 generate code for Power4 architecture\n\
1082 -mcom generate code Power/PowerPC common instructions\n\
1083 -many generate code for any architecture (PWR/PWRX/PPC)\n"));
1084 fprintf (stream, _("\
1085 -maltivec generate code for AltiVec\n\
1086 -me500, -me500x2 generate code for Motorola e500 core complex\n\
1087 -mspe generate code for Motorola SPE instructions\n\
1088 -mregnames Allow symbolic names for registers\n\
1089 -mno-regnames Do not allow symbolic names for registers\n"));
1091 fprintf (stream, _("\
1092 -mrelocatable support for GCC's -mrelocatble option\n\
1093 -mrelocatable-lib support for GCC's -mrelocatble-lib option\n\
1094 -memb set PPC_EMB bit in ELF flags\n\
1095 -mlittle, -mlittle-endian, -l, -le\n\
1096 generate code for a little endian machine\n\
1097 -mbig, -mbig-endian, -b, -be\n\
1098 generate code for a big endian machine\n\
1099 -msolaris generate code for Solaris\n\
1100 -mno-solaris do not generate code for Solaris\n\
1101 -V print assembler version number\n\
1102 -Qy, -Qn ignored\n"));
1106 /* Set ppc_cpu if it is not already set. */
1111 const char *default_os = TARGET_OS;
1112 const char *default_cpu = TARGET_CPU;
1117 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64;
1118 else if (strncmp (default_os, "aix", 3) == 0
1119 && default_os[3] >= '4' && default_os[3] <= '9')
1120 ppc_cpu = PPC_OPCODE_COMMON | PPC_OPCODE_32;
1121 else if (strncmp (default_os, "aix3", 4) == 0)
1122 ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_32;
1123 else if (strcmp (default_cpu, "rs6000") == 0)
1124 ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_32;
1125 else if (strncmp (default_cpu, "powerpc", 7) == 0)
1127 if (default_cpu[7] == '6' && default_cpu[8] == '4')
1128 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64;
1130 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32;
1133 as_fatal (_("Unknown default cpu = %s, os = %s"),
1134 default_cpu, default_os);
1138 /* Figure out the BFD architecture to use. */
1140 enum bfd_architecture
1143 const char *default_cpu = TARGET_CPU;
1146 if ((ppc_cpu & PPC_OPCODE_PPC) != 0)
1147 return bfd_arch_powerpc;
1148 else if ((ppc_cpu & PPC_OPCODE_POWER) != 0)
1149 return bfd_arch_rs6000;
1150 else if ((ppc_cpu & (PPC_OPCODE_COMMON | PPC_OPCODE_ANY)) != 0)
1152 if (strcmp (default_cpu, "rs6000") == 0)
1153 return bfd_arch_rs6000;
1154 else if (strncmp (default_cpu, "powerpc", 7) == 0)
1155 return bfd_arch_powerpc;
1158 as_fatal (_("Neither Power nor PowerPC opcodes were selected."));
1159 return bfd_arch_unknown;
1166 return bfd_mach_ppc64;
1167 else if (ppc_arch () == bfd_arch_rs6000)
1168 return bfd_mach_rs6k;
1170 return bfd_mach_ppc;
1174 ppc_target_format ()
1178 return target_big_endian ? "pe-powerpc" : "pe-powerpcle";
1180 return "xcoff-powermac";
1183 return (ppc_obj64 ? "aix5coff64-rs6000" : "aixcoff-rs6000");
1185 return (ppc_obj64 ? "aixcoff64-rs6000" : "aixcoff-rs6000");
1190 return (target_big_endian
1191 ? (ppc_obj64 ? "elf64-powerpc" : "elf32-powerpc")
1192 : (ppc_obj64 ? "elf64-powerpcle" : "elf32-powerpcle"));
1196 /* This function is called when the assembler starts up. It is called
1197 after the options have been parsed and the output file has been
1203 register const struct powerpc_opcode *op;
1204 const struct powerpc_opcode *op_end;
1205 const struct powerpc_macro *macro;
1206 const struct powerpc_macro *macro_end;
1207 bfd_boolean dup_insn = FALSE;
1212 /* Set the ELF flags if desired. */
1213 if (ppc_flags && !msolaris)
1214 bfd_set_private_flags (stdoutput, ppc_flags);
1217 /* Insert the opcodes into a hash table. */
1218 ppc_hash = hash_new ();
1220 op_end = powerpc_opcodes + powerpc_num_opcodes;
1221 for (op = powerpc_opcodes; op < op_end; op++)
1223 know ((op->opcode & op->mask) == op->opcode);
1225 if ((op->flags & ppc_cpu & ~(PPC_OPCODE_32 | PPC_OPCODE_64)) != 0
1226 && ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) == 0
1227 || ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64))
1228 == (ppc_cpu & (PPC_OPCODE_32 | PPC_OPCODE_64)))
1229 || (ppc_cpu & PPC_OPCODE_64_BRIDGE) != 0)
1230 /* Certain instructions (eg: extsw) do not exist in the
1231 32-bit BookE instruction set, but they do exist in the
1232 64-bit BookE instruction set, and other PPC instruction
1233 sets. Check to see if the opcode has the BOOKE64 flag set.
1234 If it does make sure that the target CPU is not the BookE32. */
1235 && ((op->flags & PPC_OPCODE_BOOKE64) == 0
1236 || (ppc_cpu & PPC_OPCODE_BOOKE64) == PPC_OPCODE_BOOKE64
1237 || (ppc_cpu & PPC_OPCODE_BOOKE) == 0)
1238 && ((op->flags & (PPC_OPCODE_POWER4 | PPC_OPCODE_NOPOWER4)) == 0
1239 || ((op->flags & PPC_OPCODE_POWER4)
1240 == (ppc_cpu & PPC_OPCODE_POWER4))))
1244 retval = hash_insert (ppc_hash, op->name, (PTR) op);
1245 if (retval != (const char *) NULL)
1247 /* Ignore Power duplicates for -m601. */
1248 if ((ppc_cpu & PPC_OPCODE_601) != 0
1249 && (op->flags & PPC_OPCODE_POWER) != 0)
1252 as_bad (_("Internal assembler error for instruction %s"),
1259 /* Insert the macros into a hash table. */
1260 ppc_macro_hash = hash_new ();
1262 macro_end = powerpc_macros + powerpc_num_macros;
1263 for (macro = powerpc_macros; macro < macro_end; macro++)
1265 if ((macro->flags & ppc_cpu) != 0)
1269 retval = hash_insert (ppc_macro_hash, macro->name, (PTR) macro);
1270 if (retval != (const char *) NULL)
1272 as_bad (_("Internal assembler error for macro %s"), macro->name);
1281 /* Tell the main code what the endianness is if it is not overidden
1283 if (!set_target_endian)
1285 set_target_endian = 1;
1286 target_big_endian = PPC_BIG_ENDIAN;
1290 ppc_coff_debug_section = coff_section_from_bfd_index (stdoutput, N_DEBUG);
1292 /* Create dummy symbols to serve as initial csects. This forces the
1293 text csects to precede the data csects. These symbols will not
1295 ppc_text_csects = symbol_make ("dummy\001");
1296 symbol_get_tc (ppc_text_csects)->within = ppc_text_csects;
1297 ppc_data_csects = symbol_make ("dummy\001");
1298 symbol_get_tc (ppc_data_csects)->within = ppc_data_csects;
1303 ppc_current_section = text_section;
1304 ppc_previous_section = 0;
1313 if (ppc_apuinfo_list == NULL)
1316 /* Ok, so write the section info out. We have this layout:
1320 0 8 length of "APUinfo\0"
1321 4 (n*4) number of APU's (4 bytes each)
1324 20 APU#1 first APU's info
1325 24 APU#2 second APU's info
1330 asection *seg = now_seg;
1331 subsegT subseg = now_subseg;
1332 asection *apuinfo_secp = (asection *) NULL;
1335 /* Create the .PPC.EMB.apuinfo section. */
1336 apuinfo_secp = subseg_new (".PPC.EMB.apuinfo", 0);
1337 bfd_set_section_flags (stdoutput,
1339 SEC_HAS_CONTENTS | SEC_READONLY);
1342 md_number_to_chars (p, (valueT) 8, 4);
1345 md_number_to_chars (p, (valueT) ppc_apuinfo_num, 4);
1348 md_number_to_chars (p, (valueT) 2, 4);
1351 strcpy (p, "APUinfo");
1353 for (i = 0; i < ppc_apuinfo_num; i++)
1356 md_number_to_chars (p, (valueT) ppc_apuinfo_list[i], 4);
1359 frag_align (2, 0, 0);
1361 /* We probably can't restore the current segment, for there likely
1364 subseg_set (seg, subseg);
1369 /* Insert an operand value into an instruction. */
1371 static unsigned long
1372 ppc_insert_operand (insn, operand, val, file, line)
1374 const struct powerpc_operand *operand;
1379 if (operand->bits != 32)
1384 if ((operand->flags & PPC_OPERAND_SIGNED) != 0)
1386 if ((operand->flags & PPC_OPERAND_SIGNOPT) != 0)
1387 max = (1 << operand->bits) - 1;
1389 max = (1 << (operand->bits - 1)) - 1;
1390 min = - (1 << (operand->bits - 1));
1394 /* Some people write 32 bit hex constants with the sign
1395 extension done by hand. This shouldn't really be
1396 valid, but, to permit this code to assemble on a 64
1397 bit host, we sign extend the 32 bit value. */
1399 && (val & (offsetT) 0x80000000) != 0
1400 && (val & (offsetT) 0xffffffff) == val)
1409 max = (1 << operand->bits) - 1;
1413 if ((operand->flags & PPC_OPERAND_NEGATIVE) != 0)
1418 if (test < (offsetT) min || test > (offsetT) max)
1421 _("operand out of range (%s not between %ld and %ld)");
1424 sprint_value (buf, test);
1425 as_bad_where (file, line, err, buf, min, max);
1429 if (operand->insert)
1434 insn = (*operand->insert) (insn, (long) val, ppc_cpu, &errmsg);
1435 if (errmsg != (const char *) NULL)
1436 as_bad_where (file, line, errmsg);
1439 insn |= (((long) val & ((1 << operand->bits) - 1))
1447 /* Parse @got, etc. and return the desired relocation. */
1448 static bfd_reloc_code_real_type
1449 ppc_elf_suffix (str_p, exp_p)
1464 const struct map_bfd *ptr;
1466 #define MAP(str,reloc) { str, sizeof (str)-1, reloc }
1468 static const struct map_bfd mapping[] = {
1469 MAP ("l", (int) BFD_RELOC_LO16),
1470 MAP ("h", (int) BFD_RELOC_HI16),
1471 MAP ("ha", (int) BFD_RELOC_HI16_S),
1472 MAP ("brtaken", (int) BFD_RELOC_PPC_B16_BRTAKEN),
1473 MAP ("brntaken", (int) BFD_RELOC_PPC_B16_BRNTAKEN),
1474 MAP ("got", (int) BFD_RELOC_16_GOTOFF),
1475 MAP ("got@l", (int) BFD_RELOC_LO16_GOTOFF),
1476 MAP ("got@h", (int) BFD_RELOC_HI16_GOTOFF),
1477 MAP ("got@ha", (int) BFD_RELOC_HI16_S_GOTOFF),
1478 MAP ("fixup", (int) BFD_RELOC_CTOR),
1479 MAP ("plt", (int) BFD_RELOC_24_PLT_PCREL),
1480 MAP ("pltrel24", (int) BFD_RELOC_24_PLT_PCREL),
1481 MAP ("copy", (int) BFD_RELOC_PPC_COPY),
1482 MAP ("globdat", (int) BFD_RELOC_PPC_GLOB_DAT),
1483 MAP ("local24pc", (int) BFD_RELOC_PPC_LOCAL24PC),
1484 MAP ("local", (int) BFD_RELOC_PPC_LOCAL24PC),
1485 MAP ("pltrel", (int) BFD_RELOC_32_PLT_PCREL),
1486 MAP ("plt@l", (int) BFD_RELOC_LO16_PLTOFF),
1487 MAP ("plt@h", (int) BFD_RELOC_HI16_PLTOFF),
1488 MAP ("plt@ha", (int) BFD_RELOC_HI16_S_PLTOFF),
1489 MAP ("sdarel", (int) BFD_RELOC_GPREL16),
1490 MAP ("sectoff", (int) BFD_RELOC_16_BASEREL),
1491 MAP ("sectoff@l", (int) BFD_RELOC_LO16_BASEREL),
1492 MAP ("sectoff@h", (int) BFD_RELOC_HI16_BASEREL),
1493 MAP ("sectoff@ha", (int) BFD_RELOC_HI16_S_BASEREL),
1494 MAP ("naddr", (int) BFD_RELOC_PPC_EMB_NADDR32),
1495 MAP ("naddr16", (int) BFD_RELOC_PPC_EMB_NADDR16),
1496 MAP ("naddr@l", (int) BFD_RELOC_PPC_EMB_NADDR16_LO),
1497 MAP ("naddr@h", (int) BFD_RELOC_PPC_EMB_NADDR16_HI),
1498 MAP ("naddr@ha", (int) BFD_RELOC_PPC_EMB_NADDR16_HA),
1499 MAP ("sdai16", (int) BFD_RELOC_PPC_EMB_SDAI16),
1500 MAP ("sda2rel", (int) BFD_RELOC_PPC_EMB_SDA2REL),
1501 MAP ("sda2i16", (int) BFD_RELOC_PPC_EMB_SDA2I16),
1502 MAP ("sda21", (int) BFD_RELOC_PPC_EMB_SDA21),
1503 MAP ("mrkref", (int) BFD_RELOC_PPC_EMB_MRKREF),
1504 MAP ("relsect", (int) BFD_RELOC_PPC_EMB_RELSEC16),
1505 MAP ("relsect@l", (int) BFD_RELOC_PPC_EMB_RELST_LO),
1506 MAP ("relsect@h", (int) BFD_RELOC_PPC_EMB_RELST_HI),
1507 MAP ("relsect@ha", (int) BFD_RELOC_PPC_EMB_RELST_HA),
1508 MAP ("bitfld", (int) BFD_RELOC_PPC_EMB_BIT_FLD),
1509 MAP ("relsda", (int) BFD_RELOC_PPC_EMB_RELSDA),
1510 MAP ("xgot", (int) BFD_RELOC_PPC_TOC16),
1511 MAP ("tls", (int) BFD_RELOC_PPC_TLS),
1512 MAP ("dtpmod", (int) BFD_RELOC_PPC_DTPMOD),
1513 MAP ("dtprel", (int) BFD_RELOC_PPC_DTPREL),
1514 MAP ("dtprel@l", (int) BFD_RELOC_PPC_DTPREL16_LO),
1515 MAP ("dtprel@h", (int) BFD_RELOC_PPC_DTPREL16_HI),
1516 MAP ("dtprel@ha", (int) BFD_RELOC_PPC_DTPREL16_HA),
1517 MAP ("tprel", (int) BFD_RELOC_PPC_TPREL),
1518 MAP ("tprel@l", (int) BFD_RELOC_PPC_TPREL16_LO),
1519 MAP ("tprel@h", (int) BFD_RELOC_PPC_TPREL16_HI),
1520 MAP ("tprel@ha", (int) BFD_RELOC_PPC_TPREL16_HA),
1521 MAP ("got@tlsgd", (int) BFD_RELOC_PPC_GOT_TLSGD16),
1522 MAP ("got@tlsgd@l", (int) BFD_RELOC_PPC_GOT_TLSGD16_LO),
1523 MAP ("got@tlsgd@h", (int) BFD_RELOC_PPC_GOT_TLSGD16_HI),
1524 MAP ("got@tlsgd@ha", (int) BFD_RELOC_PPC_GOT_TLSGD16_HA),
1525 MAP ("got@tlsld", (int) BFD_RELOC_PPC_GOT_TLSLD16),
1526 MAP ("got@tlsld@l", (int) BFD_RELOC_PPC_GOT_TLSLD16_LO),
1527 MAP ("got@tlsld@h", (int) BFD_RELOC_PPC_GOT_TLSLD16_HI),
1528 MAP ("got@tlsld@ha", (int) BFD_RELOC_PPC_GOT_TLSLD16_HA),
1529 MAP ("got@dtprel", (int) BFD_RELOC_PPC_GOT_DTPREL16),
1530 MAP ("got@dtprel@l", (int) BFD_RELOC_PPC_GOT_DTPREL16_LO),
1531 MAP ("got@dtprel@h", (int) BFD_RELOC_PPC_GOT_DTPREL16_HI),
1532 MAP ("got@dtprel@ha", (int) BFD_RELOC_PPC_GOT_DTPREL16_HA),
1533 MAP ("got@tprel", (int) BFD_RELOC_PPC_GOT_TPREL16),
1534 MAP ("got@tprel@l", (int) BFD_RELOC_PPC_GOT_TPREL16_LO),
1535 MAP ("got@tprel@h", (int) BFD_RELOC_PPC_GOT_TPREL16_HI),
1536 MAP ("got@tprel@ha", (int) BFD_RELOC_PPC_GOT_TPREL16_HA),
1537 /* The following are only valid for ppc64. Negative values are
1538 used instead of a flag. */
1539 MAP ("higher", - (int) BFD_RELOC_PPC64_HIGHER),
1540 MAP ("highera", - (int) BFD_RELOC_PPC64_HIGHER_S),
1541 MAP ("highest", - (int) BFD_RELOC_PPC64_HIGHEST),
1542 MAP ("highesta", - (int) BFD_RELOC_PPC64_HIGHEST_S),
1543 MAP ("tocbase", - (int) BFD_RELOC_PPC64_TOC),
1544 MAP ("toc", - (int) BFD_RELOC_PPC_TOC16),
1545 MAP ("toc@l", - (int) BFD_RELOC_PPC64_TOC16_LO),
1546 MAP ("toc@h", - (int) BFD_RELOC_PPC64_TOC16_HI),
1547 MAP ("toc@ha", - (int) BFD_RELOC_PPC64_TOC16_HA),
1548 MAP ("dtprel@higher", - (int) BFD_RELOC_PPC64_DTPREL16_HIGHER),
1549 MAP ("dtprel@highera", - (int) BFD_RELOC_PPC64_DTPREL16_HIGHERA),
1550 MAP ("dtprel@highest", - (int) BFD_RELOC_PPC64_DTPREL16_HIGHEST),
1551 MAP ("dtprel@highesta", - (int) BFD_RELOC_PPC64_DTPREL16_HIGHESTA),
1552 MAP ("tprel@higher", - (int) BFD_RELOC_PPC64_TPREL16_HIGHER),
1553 MAP ("tprel@highera", - (int) BFD_RELOC_PPC64_TPREL16_HIGHERA),
1554 MAP ("tprel@highest", - (int) BFD_RELOC_PPC64_TPREL16_HIGHEST),
1555 MAP ("tprel@highesta", - (int) BFD_RELOC_PPC64_TPREL16_HIGHESTA),
1556 { (char *) 0, 0, (int) BFD_RELOC_UNUSED }
1560 return BFD_RELOC_UNUSED;
1562 for (ch = *str, str2 = ident;
1563 (str2 < ident + sizeof (ident) - 1
1564 && (ISALNUM (ch) || ch == '@'));
1567 *str2++ = TOLOWER (ch);
1574 for (ptr = &mapping[0]; ptr->length > 0; ptr++)
1575 if (ch == ptr->string[0]
1576 && len == ptr->length
1577 && memcmp (ident, ptr->string, ptr->length) == 0)
1579 int reloc = ptr->reloc;
1584 return BFD_RELOC_UNUSED;
1589 if (exp_p->X_add_number != 0
1590 && (reloc == (int) BFD_RELOC_16_GOTOFF
1591 || reloc == (int) BFD_RELOC_LO16_GOTOFF
1592 || reloc == (int) BFD_RELOC_HI16_GOTOFF
1593 || reloc == (int) BFD_RELOC_HI16_S_GOTOFF))
1594 as_warn (_("identifier+constant@got means identifier@got+constant"));
1596 /* Now check for identifier@suffix+constant. */
1597 if (*str == '-' || *str == '+')
1599 char *orig_line = input_line_pointer;
1600 expressionS new_exp;
1602 input_line_pointer = str;
1603 expression (&new_exp);
1604 if (new_exp.X_op == O_constant)
1606 exp_p->X_add_number += new_exp.X_add_number;
1607 str = input_line_pointer;
1610 if (&input_line_pointer != str_p)
1611 input_line_pointer = orig_line;
1615 if (reloc == (int) BFD_RELOC_PPC64_TOC
1616 && exp_p->X_op == O_symbol)
1618 /* This reloc type ignores the symbol. Change the symbol
1619 so that the dummy .TOC. symbol can be omitted from the
1621 exp_p->X_add_symbol = &abs_symbol;
1624 return (bfd_reloc_code_real_type) reloc;
1627 return BFD_RELOC_UNUSED;
1630 /* Like normal .long/.short/.word, except support @got, etc.
1631 Clobbers input_line_pointer, checks end-of-line. */
1633 ppc_elf_cons (nbytes)
1634 register int nbytes; /* 1=.byte, 2=.word, 4=.long, 8=.llong. */
1637 bfd_reloc_code_real_type reloc;
1639 if (is_it_end_of_statement ())
1641 demand_empty_rest_of_line ();
1648 if (exp.X_op == O_symbol
1649 && *input_line_pointer == '@'
1650 && (reloc = ppc_elf_suffix (&input_line_pointer,
1651 &exp)) != BFD_RELOC_UNUSED)
1653 reloc_howto_type *reloc_howto;
1656 reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc);
1657 size = bfd_get_reloc_size (reloc_howto);
1661 as_bad (_("%s relocations do not fit in %d bytes\n"),
1662 reloc_howto->name, nbytes);
1669 p = frag_more (nbytes);
1671 if (target_big_endian)
1672 offset = nbytes - size;
1673 fix_new_exp (frag_now, p - frag_now->fr_literal + offset, size,
1678 emit_expr (&exp, (unsigned int) nbytes);
1680 while (*input_line_pointer++ == ',');
1682 /* Put terminator back into stream. */
1683 input_line_pointer--;
1684 demand_empty_rest_of_line ();
1687 /* Solaris pseduo op to change to the .rodata section. */
1692 char *save_line = input_line_pointer;
1693 static char section[] = ".rodata\n";
1695 /* Just pretend this is .section .rodata */
1696 input_line_pointer = section;
1697 obj_elf_section (xxx);
1699 input_line_pointer = save_line;
1702 /* Pseudo op to make file scope bss items. */
1705 int xxx ATTRIBUTE_UNUSED;
1707 register char *name;
1711 register symbolS *symbolP;
1718 name = input_line_pointer;
1719 c = get_symbol_end ();
1721 /* just after name is now '\0'. */
1722 p = input_line_pointer;
1725 if (*input_line_pointer != ',')
1727 as_bad (_("Expected comma after symbol-name: rest of line ignored."));
1728 ignore_rest_of_line ();
1732 input_line_pointer++; /* skip ',' */
1733 if ((size = get_absolute_expression ()) < 0)
1735 as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size);
1736 ignore_rest_of_line ();
1740 /* The third argument to .lcomm is the alignment. */
1741 if (*input_line_pointer != ',')
1745 ++input_line_pointer;
1746 align = get_absolute_expression ();
1749 as_warn (_("ignoring bad alignment"));
1755 symbolP = symbol_find_or_make (name);
1758 if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
1760 as_bad (_("Ignoring attempt to re-define symbol `%s'."),
1761 S_GET_NAME (symbolP));
1762 ignore_rest_of_line ();
1766 if (S_GET_VALUE (symbolP) && S_GET_VALUE (symbolP) != (valueT) size)
1768 as_bad (_("Length of .lcomm \"%s\" is already %ld. Not changed to %ld."),
1769 S_GET_NAME (symbolP),
1770 (long) S_GET_VALUE (symbolP),
1773 ignore_rest_of_line ();
1779 old_subsec = now_subseg;
1782 /* Convert to a power of 2 alignment. */
1783 for (align2 = 0; (align & 1) == 0; align >>= 1, ++align2);
1786 as_bad (_("Common alignment not a power of 2"));
1787 ignore_rest_of_line ();
1794 record_alignment (bss_section, align2);
1795 subseg_set (bss_section, 0);
1797 frag_align (align2, 0, 0);
1798 if (S_GET_SEGMENT (symbolP) == bss_section)
1799 symbol_get_frag (symbolP)->fr_symbol = 0;
1800 symbol_set_frag (symbolP, frag_now);
1801 pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size,
1804 S_SET_SIZE (symbolP, size);
1805 S_SET_SEGMENT (symbolP, bss_section);
1806 subseg_set (old_sec, old_subsec);
1807 demand_empty_rest_of_line ();
1810 /* Validate any relocations emitted for -mrelocatable, possibly adding
1811 fixups for word relocations in writable segments, so we can adjust
1814 ppc_elf_validate_fix (fixp, seg)
1818 if (fixp->fx_done || fixp->fx_pcrel)
1827 case SHLIB_MRELOCATABLE:
1828 if (fixp->fx_r_type <= BFD_RELOC_UNUSED
1829 && fixp->fx_r_type != BFD_RELOC_16_GOTOFF
1830 && fixp->fx_r_type != BFD_RELOC_HI16_GOTOFF
1831 && fixp->fx_r_type != BFD_RELOC_LO16_GOTOFF
1832 && fixp->fx_r_type != BFD_RELOC_HI16_S_GOTOFF
1833 && fixp->fx_r_type != BFD_RELOC_16_BASEREL
1834 && fixp->fx_r_type != BFD_RELOC_LO16_BASEREL
1835 && fixp->fx_r_type != BFD_RELOC_HI16_BASEREL
1836 && fixp->fx_r_type != BFD_RELOC_HI16_S_BASEREL
1837 && (seg->flags & SEC_LOAD) != 0
1838 && strcmp (segment_name (seg), ".got2") != 0
1839 && strcmp (segment_name (seg), ".dtors") != 0
1840 && strcmp (segment_name (seg), ".ctors") != 0
1841 && strcmp (segment_name (seg), ".fixup") != 0
1842 && strcmp (segment_name (seg), ".gcc_except_table") != 0
1843 && strcmp (segment_name (seg), ".eh_frame") != 0
1844 && strcmp (segment_name (seg), ".ex_shared") != 0)
1846 if ((seg->flags & (SEC_READONLY | SEC_CODE)) != 0
1847 || fixp->fx_r_type != BFD_RELOC_CTOR)
1849 as_bad_where (fixp->fx_file, fixp->fx_line,
1850 _("Relocation cannot be done when using -mrelocatable"));
1857 /* Prevent elf_frob_file_before_adjust removing a weak undefined
1858 function descriptor sym if the corresponding code sym is used. */
1861 ppc_frob_file_before_adjust ()
1868 for (symp = symbol_rootP; symp; symp = symbol_next (symp))
1875 name = S_GET_NAME (symp);
1879 if (! S_IS_WEAK (symp)
1880 || S_IS_DEFINED (symp))
1883 len = strlen (name) + 1;
1884 dotname = xmalloc (len + 1);
1886 memcpy (dotname + 1, name, len);
1887 dotsym = symbol_find (dotname);
1889 if (dotsym != NULL && (symbol_used_p (dotsym)
1890 || symbol_used_in_reloc_p (dotsym)))
1892 symbol_mark_used (symp);
1896 /* Don't emit .TOC. symbol. */
1897 symp = symbol_find (".TOC.");
1899 symbol_remove (symp, &symbol_rootP, &symbol_lastP);
1901 #endif /* OBJ_ELF */
1906 * Summary of parse_toc_entry.
1908 * in: Input_line_pointer points to the '[' in one of:
1910 * [toc] [tocv] [toc32] [toc64]
1912 * Anything else is an error of one kind or another.
1915 * return value: success or failure
1916 * toc_kind: kind of toc reference
1917 * input_line_pointer:
1918 * success: first char after the ']'
1919 * failure: unchanged
1923 * [toc] - rv == success, toc_kind = default_toc
1924 * [tocv] - rv == success, toc_kind = data_in_toc
1925 * [toc32] - rv == success, toc_kind = must_be_32
1926 * [toc64] - rv == success, toc_kind = must_be_64
1930 enum toc_size_qualifier
1932 default_toc, /* The toc cell constructed should be the system default size */
1933 data_in_toc, /* This is a direct reference to a toc cell */
1934 must_be_32, /* The toc cell constructed must be 32 bits wide */
1935 must_be_64 /* The toc cell constructed must be 64 bits wide */
1939 parse_toc_entry (toc_kind)
1940 enum toc_size_qualifier *toc_kind;
1945 enum toc_size_qualifier t;
1947 /* Save the input_line_pointer. */
1948 start = input_line_pointer;
1950 /* Skip over the '[' , and whitespace. */
1951 ++input_line_pointer;
1954 /* Find the spelling of the operand. */
1955 toc_spec = input_line_pointer;
1956 c = get_symbol_end ();
1958 if (strcmp (toc_spec, "toc") == 0)
1962 else if (strcmp (toc_spec, "tocv") == 0)
1966 else if (strcmp (toc_spec, "toc32") == 0)
1970 else if (strcmp (toc_spec, "toc64") == 0)
1976 as_bad (_("syntax error: invalid toc specifier `%s'"), toc_spec);
1977 *input_line_pointer = c;
1978 input_line_pointer = start;
1982 /* Now find the ']'. */
1983 *input_line_pointer = c;
1985 SKIP_WHITESPACE (); /* leading whitespace could be there. */
1986 c = *input_line_pointer++; /* input_line_pointer->past char in c. */
1990 as_bad (_("syntax error: expected `]', found `%c'"), c);
1991 input_line_pointer = start;
2002 #define APUID(a,v) ((((a) & 0xffff) << 16) | ((v) & 0xffff))
2004 ppc_apuinfo_section_add (apu, version)
2005 unsigned int apu, version;
2009 /* Check we don't already exist. */
2010 for (i = 0; i < ppc_apuinfo_num; i++)
2011 if (ppc_apuinfo_list[i] == APUID (apu, version))
2014 if (ppc_apuinfo_num == ppc_apuinfo_num_alloc)
2016 if (ppc_apuinfo_num_alloc == 0)
2018 ppc_apuinfo_num_alloc = 4;
2019 ppc_apuinfo_list = (unsigned long *)
2020 xmalloc (sizeof (unsigned long) * ppc_apuinfo_num_alloc);
2024 ppc_apuinfo_num_alloc += 4;
2025 ppc_apuinfo_list = (unsigned long *) xrealloc (ppc_apuinfo_list,
2026 sizeof (unsigned long) * ppc_apuinfo_num_alloc);
2029 ppc_apuinfo_list[ppc_apuinfo_num++] = APUID (apu, version);
2035 /* We need to keep a list of fixups. We can't simply generate them as
2036 we go, because that would require us to first create the frag, and
2037 that would screw up references to ``.''. */
2043 bfd_reloc_code_real_type reloc;
2046 #define MAX_INSN_FIXUPS (5)
2048 /* This routine is called for each instruction to be assembled. */
2055 const struct powerpc_opcode *opcode;
2057 const unsigned char *opindex_ptr;
2061 struct ppc_fixup fixups[MAX_INSN_FIXUPS];
2066 bfd_reloc_code_real_type reloc;
2069 /* Get the opcode. */
2070 for (s = str; *s != '\0' && ! ISSPACE (*s); s++)
2075 /* Look up the opcode in the hash table. */
2076 opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, str);
2077 if (opcode == (const struct powerpc_opcode *) NULL)
2079 const struct powerpc_macro *macro;
2081 macro = (const struct powerpc_macro *) hash_find (ppc_macro_hash, str);
2082 if (macro == (const struct powerpc_macro *) NULL)
2083 as_bad (_("Unrecognized opcode: `%s'"), str);
2085 ppc_macro (s, macro);
2090 insn = opcode->opcode;
2093 while (ISSPACE (*str))
2096 /* PowerPC operands are just expressions. The only real issue is
2097 that a few operand types are optional. All cases which might use
2098 an optional operand separate the operands only with commas (in
2099 some cases parentheses are used, as in ``lwz 1,0(1)'' but such
2100 cases never have optional operands). There is never more than
2101 one optional operand for an instruction. So, before we start
2102 seriously parsing the operands, we check to see if we have an
2103 optional operand, and, if we do, we count the number of commas to
2104 see whether the operand should be omitted. */
2106 for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++)
2108 const struct powerpc_operand *operand;
2110 operand = &powerpc_operands[*opindex_ptr];
2111 if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0)
2113 unsigned int opcount;
2114 unsigned int num_operands_expected;
2117 /* There is an optional operand. Count the number of
2118 commas in the input line. */
2125 while ((s = strchr (s, ',')) != (char *) NULL)
2132 /* Compute the number of expected operands.
2133 Do not count fake operands. */
2134 for (num_operands_expected = 0, i = 0; opcode->operands[i]; i ++)
2135 if ((powerpc_operands [opcode->operands[i]].flags & PPC_OPERAND_FAKE) == 0)
2136 ++ num_operands_expected;
2138 /* If there are fewer operands in the line then are called
2139 for by the instruction, we want to skip the optional
2141 if (opcount < num_operands_expected)
2148 /* Gather the operands. */
2152 for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++)
2154 const struct powerpc_operand *operand;
2160 if (next_opindex == 0)
2161 operand = &powerpc_operands[*opindex_ptr];
2164 operand = &powerpc_operands[next_opindex];
2169 /* If this is a fake operand, then we do not expect anything
2171 if ((operand->flags & PPC_OPERAND_FAKE) != 0)
2173 insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg);
2174 if (errmsg != (const char *) NULL)
2179 /* If this is an optional operand, and we are skipping it, just
2181 if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0
2184 if (operand->insert)
2186 insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg);
2187 if (errmsg != (const char *) NULL)
2190 if ((operand->flags & PPC_OPERAND_NEXT) != 0)
2191 next_opindex = *opindex_ptr + 1;
2195 /* Gather the operand. */
2196 hold = input_line_pointer;
2197 input_line_pointer = str;
2200 if (*input_line_pointer == '[')
2202 /* We are expecting something like the second argument here:
2204 * lwz r4,[toc].GS.0.static_int(rtoc)
2205 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^
2206 * The argument following the `]' must be a symbol name, and the
2207 * register must be the toc register: 'rtoc' or '2'
2209 * The effect is to 0 as the displacement field
2210 * in the instruction, and issue an IMAGE_REL_PPC_TOCREL16 (or
2211 * the appropriate variation) reloc against it based on the symbol.
2212 * The linker will build the toc, and insert the resolved toc offset.
2215 * o The size of the toc entry is currently assumed to be
2216 * 32 bits. This should not be assumed to be a hard coded
2218 * o In an effort to cope with a change from 32 to 64 bits,
2219 * there are also toc entries that are specified to be
2220 * either 32 or 64 bits:
2221 * lwz r4,[toc32].GS.0.static_int(rtoc)
2222 * lwz r4,[toc64].GS.0.static_int(rtoc)
2223 * These demand toc entries of the specified size, and the
2224 * instruction probably requires it.
2228 enum toc_size_qualifier toc_kind;
2229 bfd_reloc_code_real_type toc_reloc;
2231 /* Go parse off the [tocXX] part. */
2232 valid_toc = parse_toc_entry (&toc_kind);
2236 /* Note: message has already been issued.
2237 FIXME: what sort of recovery should we do?
2238 demand_rest_of_line (); return; ? */
2241 /* Now get the symbol following the ']'. */
2247 /* In this case, we may not have seen the symbol yet,
2248 since it is allowed to appear on a .extern or .globl
2249 or just be a label in the .data section. */
2250 toc_reloc = BFD_RELOC_PPC_TOC16;
2253 /* 1. The symbol must be defined and either in the toc
2254 section, or a global.
2255 2. The reloc generated must have the TOCDEFN flag set
2256 in upper bit mess of the reloc type.
2257 FIXME: It's a little confusing what the tocv
2258 qualifier can be used for. At the very least, I've
2259 seen three uses, only one of which I'm sure I can
2261 if (ex.X_op == O_symbol)
2263 assert (ex.X_add_symbol != NULL);
2264 if (symbol_get_bfdsym (ex.X_add_symbol)->section
2267 as_bad (_("[tocv] symbol is not a toc symbol"));
2271 toc_reloc = BFD_RELOC_PPC_TOC16;
2274 /* FIXME: these next two specifically specify 32/64 bit
2275 toc entries. We don't support them today. Is this
2276 the right way to say that? */
2277 toc_reloc = BFD_RELOC_UNUSED;
2278 as_bad (_("Unimplemented toc32 expression modifier"));
2281 /* FIXME: see above. */
2282 toc_reloc = BFD_RELOC_UNUSED;
2283 as_bad (_("Unimplemented toc64 expression modifier"));
2287 _("Unexpected return value [%d] from parse_toc_entry!\n"),
2293 /* We need to generate a fixup for this expression. */
2294 if (fc >= MAX_INSN_FIXUPS)
2295 as_fatal (_("too many fixups"));
2297 fixups[fc].reloc = toc_reloc;
2298 fixups[fc].exp = ex;
2299 fixups[fc].opindex = *opindex_ptr;
2302 /* Ok. We've set up the fixup for the instruction. Now make it
2303 look like the constant 0 was found here. */
2305 ex.X_op = O_constant;
2306 ex.X_add_number = 0;
2307 ex.X_add_symbol = NULL;
2308 ex.X_op_symbol = NULL;
2314 if (! register_name (&ex))
2316 if ((operand->flags & PPC_OPERAND_CR) != 0)
2323 str = input_line_pointer;
2324 input_line_pointer = hold;
2326 if (ex.X_op == O_illegal)
2327 as_bad (_("illegal operand"));
2328 else if (ex.X_op == O_absent)
2329 as_bad (_("missing operand"));
2330 else if (ex.X_op == O_register)
2332 insn = ppc_insert_operand (insn, operand, ex.X_add_number,
2335 else if (ex.X_op == O_constant)
2338 /* Allow @HA, @L, @H on constants. */
2339 char *orig_str = str;
2341 if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED)
2348 case BFD_RELOC_LO16:
2349 /* X_unsigned is the default, so if the user has done
2350 something which cleared it, we always produce a
2352 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2353 ex.X_add_number &= 0xffff;
2355 ex.X_add_number = SEX16 (ex.X_add_number);
2358 case BFD_RELOC_HI16:
2359 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2360 ex.X_add_number = PPC_HI (ex.X_add_number);
2362 ex.X_add_number = SEX16 (PPC_HI (ex.X_add_number));
2365 case BFD_RELOC_HI16_S:
2366 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2367 ex.X_add_number = PPC_HA (ex.X_add_number);
2369 ex.X_add_number = SEX16 (PPC_HA (ex.X_add_number));
2372 case BFD_RELOC_PPC64_HIGHER:
2373 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2374 ex.X_add_number = PPC_HIGHER (ex.X_add_number);
2376 ex.X_add_number = SEX16 (PPC_HIGHER (ex.X_add_number));
2379 case BFD_RELOC_PPC64_HIGHER_S:
2380 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2381 ex.X_add_number = PPC_HIGHERA (ex.X_add_number);
2383 ex.X_add_number = SEX16 (PPC_HIGHERA (ex.X_add_number));
2386 case BFD_RELOC_PPC64_HIGHEST:
2387 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2388 ex.X_add_number = PPC_HIGHEST (ex.X_add_number);
2390 ex.X_add_number = SEX16 (PPC_HIGHEST (ex.X_add_number));
2393 case BFD_RELOC_PPC64_HIGHEST_S:
2394 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2395 ex.X_add_number = PPC_HIGHESTA (ex.X_add_number);
2397 ex.X_add_number = SEX16 (PPC_HIGHESTA (ex.X_add_number));
2400 #endif /* OBJ_ELF */
2401 insn = ppc_insert_operand (insn, operand, ex.X_add_number,
2405 else if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED)
2407 /* Some TLS tweaks. */
2412 case BFD_RELOC_PPC_TLS:
2413 insn = ppc_insert_operand (insn, operand, ppc_obj64 ? 13 : 2,
2416 /* We'll only use the 32 (or 64) bit form of these relocations
2417 in constants. Instructions get the 16 bit form. */
2418 case BFD_RELOC_PPC_DTPREL:
2419 reloc = BFD_RELOC_PPC_DTPREL16;
2421 case BFD_RELOC_PPC_TPREL:
2422 reloc = BFD_RELOC_PPC_TPREL16;
2426 /* For the absolute forms of branches, convert the PC
2427 relative form back into the absolute. */
2428 if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0)
2432 case BFD_RELOC_PPC_B26:
2433 reloc = BFD_RELOC_PPC_BA26;
2435 case BFD_RELOC_PPC_B16:
2436 reloc = BFD_RELOC_PPC_BA16;
2438 case BFD_RELOC_PPC_B16_BRTAKEN:
2439 reloc = BFD_RELOC_PPC_BA16_BRTAKEN;
2441 case BFD_RELOC_PPC_B16_BRNTAKEN:
2442 reloc = BFD_RELOC_PPC_BA16_BRNTAKEN;
2450 && (operand->flags & (PPC_OPERAND_DS | PPC_OPERAND_DQ)) != 0)
2455 reloc = BFD_RELOC_PPC64_ADDR16_DS;
2457 case BFD_RELOC_LO16:
2458 reloc = BFD_RELOC_PPC64_ADDR16_LO_DS;
2460 case BFD_RELOC_16_GOTOFF:
2461 reloc = BFD_RELOC_PPC64_GOT16_DS;
2463 case BFD_RELOC_LO16_GOTOFF:
2464 reloc = BFD_RELOC_PPC64_GOT16_LO_DS;
2466 case BFD_RELOC_LO16_PLTOFF:
2467 reloc = BFD_RELOC_PPC64_PLT16_LO_DS;
2469 case BFD_RELOC_16_BASEREL:
2470 reloc = BFD_RELOC_PPC64_SECTOFF_DS;
2472 case BFD_RELOC_LO16_BASEREL:
2473 reloc = BFD_RELOC_PPC64_SECTOFF_LO_DS;
2475 case BFD_RELOC_PPC_TOC16:
2476 reloc = BFD_RELOC_PPC64_TOC16_DS;
2478 case BFD_RELOC_PPC64_TOC16_LO:
2479 reloc = BFD_RELOC_PPC64_TOC16_LO_DS;
2481 case BFD_RELOC_PPC64_PLTGOT16:
2482 reloc = BFD_RELOC_PPC64_PLTGOT16_DS;
2484 case BFD_RELOC_PPC64_PLTGOT16_LO:
2485 reloc = BFD_RELOC_PPC64_PLTGOT16_LO_DS;
2487 case BFD_RELOC_PPC_DTPREL16:
2488 reloc = BFD_RELOC_PPC64_DTPREL16_DS;
2490 case BFD_RELOC_PPC_DTPREL16_LO:
2491 reloc = BFD_RELOC_PPC64_DTPREL16_LO_DS;
2493 case BFD_RELOC_PPC_TPREL16:
2494 reloc = BFD_RELOC_PPC64_TPREL16_DS;
2496 case BFD_RELOC_PPC_TPREL16_LO:
2497 reloc = BFD_RELOC_PPC64_TPREL16_LO_DS;
2499 case BFD_RELOC_PPC_GOT_DTPREL16:
2500 case BFD_RELOC_PPC_GOT_DTPREL16_LO:
2501 case BFD_RELOC_PPC_GOT_TPREL16:
2502 case BFD_RELOC_PPC_GOT_TPREL16_LO:
2505 as_bad (_("unsupported relocation for DS offset field"));
2510 /* We need to generate a fixup for this expression. */
2511 if (fc >= MAX_INSN_FIXUPS)
2512 as_fatal (_("too many fixups"));
2513 fixups[fc].exp = ex;
2514 fixups[fc].opindex = 0;
2515 fixups[fc].reloc = reloc;
2518 #endif /* OBJ_ELF */
2522 /* We need to generate a fixup for this expression. */
2523 if (fc >= MAX_INSN_FIXUPS)
2524 as_fatal (_("too many fixups"));
2525 fixups[fc].exp = ex;
2526 fixups[fc].opindex = *opindex_ptr;
2527 fixups[fc].reloc = BFD_RELOC_UNUSED;
2536 else if ((operand->flags & PPC_OPERAND_PARENS) != 0)
2544 /* The call to expression should have advanced str past any
2547 && (endc != ',' || *str != '\0'))
2549 as_bad (_("syntax error; found `%c' but expected `%c'"), *str, endc);
2557 while (ISSPACE (*str))
2561 as_bad (_("junk at end of line: `%s'"), str);
2564 /* Do we need/want a APUinfo section? */
2565 if (ppc_cpu & (PPC_OPCODE_SPE
2566 | PPC_OPCODE_ISEL | PPC_OPCODE_EFS
2567 | PPC_OPCODE_BRLOCK | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK
2568 | PPC_OPCODE_RFMCI))
2570 /* These are all version "1". */
2571 if (opcode->flags & PPC_OPCODE_SPE)
2572 ppc_apuinfo_section_add (PPC_APUINFO_SPE, 1);
2573 if (opcode->flags & PPC_OPCODE_ISEL)
2574 ppc_apuinfo_section_add (PPC_APUINFO_ISEL, 1);
2575 if (opcode->flags & PPC_OPCODE_EFS)
2576 ppc_apuinfo_section_add (PPC_APUINFO_EFS, 1);
2577 if (opcode->flags & PPC_OPCODE_BRLOCK)
2578 ppc_apuinfo_section_add (PPC_APUINFO_BRLOCK, 1);
2579 if (opcode->flags & PPC_OPCODE_PMR)
2580 ppc_apuinfo_section_add (PPC_APUINFO_PMR, 1);
2581 if (opcode->flags & PPC_OPCODE_CACHELCK)
2582 ppc_apuinfo_section_add (PPC_APUINFO_CACHELCK, 1);
2583 if (opcode->flags & PPC_OPCODE_RFMCI)
2584 ppc_apuinfo_section_add (PPC_APUINFO_RFMCI, 1);
2588 /* Write out the instruction. */
2590 md_number_to_chars (f, insn, 4);
2593 dwarf2_emit_insn (4);
2596 /* Create any fixups. At this point we do not use a
2597 bfd_reloc_code_real_type, but instead just use the
2598 BFD_RELOC_UNUSED plus the operand index. This lets us easily
2599 handle fixups for any operand type, although that is admittedly
2600 not a very exciting feature. We pick a BFD reloc type in
2602 for (i = 0; i < fc; i++)
2604 const struct powerpc_operand *operand;
2606 operand = &powerpc_operands[fixups[i].opindex];
2607 if (fixups[i].reloc != BFD_RELOC_UNUSED)
2609 reloc_howto_type *reloc_howto;
2614 reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc);
2618 size = bfd_get_reloc_size (reloc_howto);
2619 offset = target_big_endian ? (4 - size) : 0;
2621 if (size < 1 || size > 4)
2624 fixP = fix_new_exp (frag_now,
2625 f - frag_now->fr_literal + offset,
2628 reloc_howto->pc_relative,
2631 /* Turn off complaints that the addend is too large for things like
2633 switch (fixups[i].reloc)
2635 case BFD_RELOC_16_GOTOFF:
2636 case BFD_RELOC_PPC_TOC16:
2637 case BFD_RELOC_LO16:
2638 case BFD_RELOC_HI16:
2639 case BFD_RELOC_HI16_S:
2641 case BFD_RELOC_PPC64_HIGHER:
2642 case BFD_RELOC_PPC64_HIGHER_S:
2643 case BFD_RELOC_PPC64_HIGHEST:
2644 case BFD_RELOC_PPC64_HIGHEST_S:
2646 fixP->fx_no_overflow = 1;
2653 fix_new_exp (frag_now,
2654 f - frag_now->fr_literal,
2657 (operand->flags & PPC_OPERAND_RELATIVE) != 0,
2658 ((bfd_reloc_code_real_type)
2659 (fixups[i].opindex + (int) BFD_RELOC_UNUSED)));
2663 /* Handle a macro. Gather all the operands, transform them as
2664 described by the macro, and call md_assemble recursively. All the
2665 operands are separated by commas; we don't accept parentheses
2666 around operands here. */
2669 ppc_macro (str, macro)
2671 const struct powerpc_macro *macro;
2682 /* Gather the users operands into the operands array. */
2687 if (count >= sizeof operands / sizeof operands[0])
2689 operands[count++] = s;
2690 s = strchr (s, ',');
2691 if (s == (char *) NULL)
2696 if (count != macro->operands)
2698 as_bad (_("wrong number of operands"));
2702 /* Work out how large the string must be (the size is unbounded
2703 because it includes user input). */
2705 format = macro->format;
2706 while (*format != '\0')
2715 arg = strtol (format + 1, &send, 10);
2716 know (send != format && arg >= 0 && arg < count);
2717 len += strlen (operands[arg]);
2722 /* Put the string together. */
2723 complete = s = (char *) alloca (len + 1);
2724 format = macro->format;
2725 while (*format != '\0')
2731 arg = strtol (format + 1, &send, 10);
2732 strcpy (s, operands[arg]);
2739 /* Assemble the constructed instruction. */
2740 md_assemble (complete);
2744 /* For ELF, add support for SHF_EXCLUDE and SHT_ORDERED. */
2747 ppc_section_letter (letter, ptr_msg)
2754 *ptr_msg = _("Bad .section directive: want a,e,w,x,M,S,G,T in string");
2759 ppc_section_word (str, len)
2763 if (len == 7 && strncmp (str, "exclude", 7) == 0)
2770 ppc_section_type (str, len)
2774 if (len == 7 && strncmp (str, "ordered", 7) == 0)
2781 ppc_section_flags (flags, attr, type)
2786 if (type == SHT_ORDERED)
2787 flags |= SEC_ALLOC | SEC_LOAD | SEC_SORT_ENTRIES;
2789 if (attr & SHF_EXCLUDE)
2790 flags |= SEC_EXCLUDE;
2794 #endif /* OBJ_ELF */
2797 /* Pseudo-op handling. */
2799 /* The .byte pseudo-op. This is similar to the normal .byte
2800 pseudo-op, but it can also take a single ASCII string. */
2804 int ignore ATTRIBUTE_UNUSED;
2806 if (*input_line_pointer != '\"')
2812 /* Gather characters. A real double quote is doubled. Unusual
2813 characters are not permitted. */
2814 ++input_line_pointer;
2819 c = *input_line_pointer++;
2823 if (*input_line_pointer != '\"')
2825 ++input_line_pointer;
2828 FRAG_APPEND_1_CHAR (c);
2831 demand_empty_rest_of_line ();
2836 /* XCOFF specific pseudo-op handling. */
2838 /* This is set if we are creating a .stabx symbol, since we don't want
2839 to handle symbol suffixes for such symbols. */
2840 static bfd_boolean ppc_stab_symbol;
2842 /* The .comm and .lcomm pseudo-ops for XCOFF. XCOFF puts common
2843 symbols in the .bss segment as though they were local common
2844 symbols, and uses a different smclas. The native Aix 4.3.3 assember
2845 aligns .comm and .lcomm to 4 bytes. */
2851 asection *current_seg = now_seg;
2852 subsegT current_subseg = now_subseg;
2858 symbolS *lcomm_sym = NULL;
2862 name = input_line_pointer;
2863 endc = get_symbol_end ();
2864 end_name = input_line_pointer;
2867 if (*input_line_pointer != ',')
2869 as_bad (_("missing size"));
2870 ignore_rest_of_line ();
2873 ++input_line_pointer;
2875 size = get_absolute_expression ();
2878 as_bad (_("negative size"));
2879 ignore_rest_of_line ();
2885 /* The third argument to .comm is the alignment. */
2886 if (*input_line_pointer != ',')
2890 ++input_line_pointer;
2891 align = get_absolute_expression ();
2894 as_warn (_("ignoring bad alignment"));
2909 /* The third argument to .lcomm appears to be the real local
2910 common symbol to create. References to the symbol named in
2911 the first argument are turned into references to the third
2913 if (*input_line_pointer != ',')
2915 as_bad (_("missing real symbol name"));
2916 ignore_rest_of_line ();
2919 ++input_line_pointer;
2921 lcomm_name = input_line_pointer;
2922 lcomm_endc = get_symbol_end ();
2924 lcomm_sym = symbol_find_or_make (lcomm_name);
2926 *input_line_pointer = lcomm_endc;
2930 sym = symbol_find_or_make (name);
2933 if (S_IS_DEFINED (sym)
2934 || S_GET_VALUE (sym) != 0)
2936 as_bad (_("attempt to redefine symbol"));
2937 ignore_rest_of_line ();
2941 record_alignment (bss_section, align);
2944 || ! S_IS_DEFINED (lcomm_sym))
2953 S_SET_EXTERNAL (sym);
2957 symbol_get_tc (lcomm_sym)->output = 1;
2958 def_sym = lcomm_sym;
2962 subseg_set (bss_section, 1);
2963 frag_align (align, 0, 0);
2965 symbol_set_frag (def_sym, frag_now);
2966 pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, def_sym,
2967 def_size, (char *) NULL);
2969 S_SET_SEGMENT (def_sym, bss_section);
2970 symbol_get_tc (def_sym)->align = align;
2974 /* Align the size of lcomm_sym. */
2975 symbol_get_frag (lcomm_sym)->fr_offset =
2976 ((symbol_get_frag (lcomm_sym)->fr_offset + (1 << align) - 1)
2977 &~ ((1 << align) - 1));
2978 if (align > symbol_get_tc (lcomm_sym)->align)
2979 symbol_get_tc (lcomm_sym)->align = align;
2984 /* Make sym an offset from lcomm_sym. */
2985 S_SET_SEGMENT (sym, bss_section);
2986 symbol_set_frag (sym, symbol_get_frag (lcomm_sym));
2987 S_SET_VALUE (sym, symbol_get_frag (lcomm_sym)->fr_offset);
2988 symbol_get_frag (lcomm_sym)->fr_offset += size;
2991 subseg_set (current_seg, current_subseg);
2993 demand_empty_rest_of_line ();
2996 /* The .csect pseudo-op. This switches us into a different
2997 subsegment. The first argument is a symbol whose value is the
2998 start of the .csect. In COFF, csect symbols get special aux
2999 entries defined by the x_csect field of union internal_auxent. The
3000 optional second argument is the alignment (the default is 2). */
3004 int ignore ATTRIBUTE_UNUSED;
3010 name = input_line_pointer;
3011 endc = get_symbol_end ();
3013 sym = symbol_find_or_make (name);
3015 *input_line_pointer = endc;
3017 if (S_GET_NAME (sym)[0] == '\0')
3019 /* An unnamed csect is assumed to be [PR]. */
3020 symbol_get_tc (sym)->class = XMC_PR;
3023 ppc_change_csect (sym);
3025 if (*input_line_pointer == ',')
3027 ++input_line_pointer;
3028 symbol_get_tc (sym)->align = get_absolute_expression ();
3031 demand_empty_rest_of_line ();
3034 /* Change to a different csect. */
3037 ppc_change_csect (sym)
3040 if (S_IS_DEFINED (sym))
3041 subseg_set (S_GET_SEGMENT (sym), symbol_get_tc (sym)->subseg);
3049 /* This is a new csect. We need to look at the symbol class to
3050 figure out whether it should go in the text section or the
3053 switch (symbol_get_tc (sym)->class)
3063 S_SET_SEGMENT (sym, text_section);
3064 symbol_get_tc (sym)->subseg = ppc_text_subsegment;
3065 ++ppc_text_subsegment;
3066 list_ptr = &ppc_text_csects;
3075 if (ppc_toc_csect != NULL
3076 && (symbol_get_tc (ppc_toc_csect)->subseg + 1
3077 == ppc_data_subsegment))
3079 S_SET_SEGMENT (sym, data_section);
3080 symbol_get_tc (sym)->subseg = ppc_data_subsegment;
3081 ++ppc_data_subsegment;
3082 list_ptr = &ppc_data_csects;
3088 /* We set the obstack chunk size to a small value before
3089 changing subsegments, so that we don't use a lot of memory
3090 space for what may be a small section. */
3091 hold_chunksize = chunksize;
3094 subseg_new (segment_name (S_GET_SEGMENT (sym)),
3095 symbol_get_tc (sym)->subseg);
3097 chunksize = hold_chunksize;
3100 ppc_after_toc_frag = frag_now;
3102 symbol_set_frag (sym, frag_now);
3103 S_SET_VALUE (sym, (valueT) frag_now_fix ());
3105 symbol_get_tc (sym)->align = 2;
3106 symbol_get_tc (sym)->output = 1;
3107 symbol_get_tc (sym)->within = sym;
3109 for (list = *list_ptr;
3110 symbol_get_tc (list)->next != (symbolS *) NULL;
3111 list = symbol_get_tc (list)->next)
3113 symbol_get_tc (list)->next = sym;
3115 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
3116 symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP,
3120 ppc_current_csect = sym;
3123 /* This function handles the .text and .data pseudo-ops. These
3124 pseudo-ops aren't really used by XCOFF; we implement them for the
3125 convenience of people who aren't used to XCOFF. */
3136 else if (type == 'd')
3141 sym = symbol_find_or_make (name);
3143 ppc_change_csect (sym);
3145 demand_empty_rest_of_line ();
3148 /* This function handles the .section pseudo-op. This is mostly to
3149 give an error, since XCOFF only supports .text, .data and .bss, but
3150 we do permit the user to name the text or data section. */
3153 ppc_named_section (ignore)
3154 int ignore ATTRIBUTE_UNUSED;
3157 const char *real_name;
3161 user_name = input_line_pointer;
3162 c = get_symbol_end ();
3164 if (strcmp (user_name, ".text") == 0)
3165 real_name = ".text[PR]";
3166 else if (strcmp (user_name, ".data") == 0)
3167 real_name = ".data[RW]";
3170 as_bad (_("The XCOFF file format does not support arbitrary sections"));
3171 *input_line_pointer = c;
3172 ignore_rest_of_line ();
3176 *input_line_pointer = c;
3178 sym = symbol_find_or_make (real_name);
3180 ppc_change_csect (sym);
3182 demand_empty_rest_of_line ();
3185 /* The .extern pseudo-op. We create an undefined symbol. */
3189 int ignore ATTRIBUTE_UNUSED;
3194 name = input_line_pointer;
3195 endc = get_symbol_end ();
3197 (void) symbol_find_or_make (name);
3199 *input_line_pointer = endc;
3201 demand_empty_rest_of_line ();
3204 /* The .lglobl pseudo-op. Keep the symbol in the symbol table. */
3208 int ignore ATTRIBUTE_UNUSED;
3214 name = input_line_pointer;
3215 endc = get_symbol_end ();
3217 sym = symbol_find_or_make (name);
3219 *input_line_pointer = endc;
3221 symbol_get_tc (sym)->output = 1;
3223 demand_empty_rest_of_line ();
3226 /* The .rename pseudo-op. The RS/6000 assembler can rename symbols,
3227 although I don't know why it bothers. */
3231 int ignore ATTRIBUTE_UNUSED;
3238 name = input_line_pointer;
3239 endc = get_symbol_end ();
3241 sym = symbol_find_or_make (name);
3243 *input_line_pointer = endc;
3245 if (*input_line_pointer != ',')
3247 as_bad (_("missing rename string"));
3248 ignore_rest_of_line ();
3251 ++input_line_pointer;
3253 symbol_get_tc (sym)->real_name = demand_copy_C_string (&len);
3255 demand_empty_rest_of_line ();
3258 /* The .stabx pseudo-op. This is similar to a normal .stabs
3259 pseudo-op, but slightly different. A sample is
3260 .stabx "main:F-1",.main,142,0
3261 The first argument is the symbol name to create. The second is the
3262 value, and the third is the storage class. The fourth seems to be
3263 always zero, and I am assuming it is the type. */
3267 int ignore ATTRIBUTE_UNUSED;
3274 name = demand_copy_C_string (&len);
3276 if (*input_line_pointer != ',')
3278 as_bad (_("missing value"));
3281 ++input_line_pointer;
3283 ppc_stab_symbol = TRUE;
3284 sym = symbol_make (name);
3285 ppc_stab_symbol = FALSE;
3287 symbol_get_tc (sym)->real_name = name;
3289 (void) expression (&exp);
3296 as_bad (_("illegal .stabx expression; zero assumed"));
3297 exp.X_add_number = 0;
3300 S_SET_VALUE (sym, (valueT) exp.X_add_number);
3301 symbol_set_frag (sym, &zero_address_frag);
3305 if (S_GET_SEGMENT (exp.X_add_symbol) == undefined_section)
3306 symbol_set_value_expression (sym, &exp);
3310 exp.X_add_number + S_GET_VALUE (exp.X_add_symbol));
3311 symbol_set_frag (sym, symbol_get_frag (exp.X_add_symbol));
3316 /* The value is some complex expression. This will probably
3317 fail at some later point, but this is probably the right
3318 thing to do here. */
3319 symbol_set_value_expression (sym, &exp);
3323 S_SET_SEGMENT (sym, ppc_coff_debug_section);
3324 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
3326 if (*input_line_pointer != ',')
3328 as_bad (_("missing class"));
3331 ++input_line_pointer;
3333 S_SET_STORAGE_CLASS (sym, get_absolute_expression ());
3335 if (*input_line_pointer != ',')
3337 as_bad (_("missing type"));
3340 ++input_line_pointer;
3342 S_SET_DATA_TYPE (sym, get_absolute_expression ());
3344 symbol_get_tc (sym)->output = 1;
3346 if (S_GET_STORAGE_CLASS (sym) == C_STSYM) {
3348 symbol_get_tc (sym)->within = ppc_current_block;
3353 .stabx "z",arrays_,133,0
3356 .comm arrays_,13768,3
3358 resolve_symbol_value will copy the exp's "within" into sym's when the
3359 offset is 0. Since this seems to be corner case problem,
3360 only do the correction for storage class C_STSYM. A better solution
3361 would be to have the tc field updated in ppc_symbol_new_hook. */
3363 if (exp.X_op == O_symbol)
3365 symbol_get_tc (exp.X_add_symbol)->within = ppc_current_block;
3369 if (exp.X_op != O_symbol
3370 || ! S_IS_EXTERNAL (exp.X_add_symbol)
3371 || S_GET_SEGMENT (exp.X_add_symbol) != bss_section)
3372 ppc_frob_label (sym);
3375 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
3376 symbol_append (sym, exp.X_add_symbol, &symbol_rootP, &symbol_lastP);
3377 if (symbol_get_tc (ppc_current_csect)->within == exp.X_add_symbol)
3378 symbol_get_tc (ppc_current_csect)->within = sym;
3381 demand_empty_rest_of_line ();
3384 /* The .function pseudo-op. This takes several arguments. The first
3385 argument seems to be the external name of the symbol. The second
3386 argment seems to be the label for the start of the function. gcc
3387 uses the same name for both. I have no idea what the third and
3388 fourth arguments are meant to be. The optional fifth argument is
3389 an expression for the size of the function. In COFF this symbol
3390 gets an aux entry like that used for a csect. */
3393 ppc_function (ignore)
3394 int ignore ATTRIBUTE_UNUSED;
3402 name = input_line_pointer;
3403 endc = get_symbol_end ();
3405 /* Ignore any [PR] suffix. */
3406 name = ppc_canonicalize_symbol_name (name);
3407 s = strchr (name, '[');
3408 if (s != (char *) NULL
3409 && strcmp (s + 1, "PR]") == 0)
3412 ext_sym = symbol_find_or_make (name);
3414 *input_line_pointer = endc;
3416 if (*input_line_pointer != ',')
3418 as_bad (_("missing symbol name"));
3419 ignore_rest_of_line ();
3422 ++input_line_pointer;
3424 name = input_line_pointer;
3425 endc = get_symbol_end ();
3427 lab_sym = symbol_find_or_make (name);
3429 *input_line_pointer = endc;
3431 if (ext_sym != lab_sym)
3435 exp.X_op = O_symbol;
3436 exp.X_add_symbol = lab_sym;
3437 exp.X_op_symbol = NULL;
3438 exp.X_add_number = 0;
3440 symbol_set_value_expression (ext_sym, &exp);
3443 if (symbol_get_tc (ext_sym)->class == -1)
3444 symbol_get_tc (ext_sym)->class = XMC_PR;
3445 symbol_get_tc (ext_sym)->output = 1;
3447 if (*input_line_pointer == ',')
3451 /* Ignore the third argument. */
3452 ++input_line_pointer;
3453 expression (&ignore);
3454 if (*input_line_pointer == ',')
3456 /* Ignore the fourth argument. */
3457 ++input_line_pointer;
3458 expression (&ignore);
3459 if (*input_line_pointer == ',')
3461 /* The fifth argument is the function size. */
3462 ++input_line_pointer;
3463 symbol_get_tc (ext_sym)->size = symbol_new ("L0\001",
3466 &zero_address_frag);
3467 pseudo_set (symbol_get_tc (ext_sym)->size);
3472 S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT);
3473 SF_SET_FUNCTION (ext_sym);
3474 SF_SET_PROCESS (ext_sym);
3475 coff_add_linesym (ext_sym);
3477 demand_empty_rest_of_line ();
3480 /* The .bf pseudo-op. This is just like a COFF C_FCN symbol named
3481 ".bf". If the pseudo op .bi was seen before .bf, patch the .bi sym
3482 with the correct line number */
3484 static symbolS *saved_bi_sym = 0;
3488 int ignore ATTRIBUTE_UNUSED;
3492 sym = symbol_make (".bf");
3493 S_SET_SEGMENT (sym, text_section);
3494 symbol_set_frag (sym, frag_now);
3495 S_SET_VALUE (sym, frag_now_fix ());
3496 S_SET_STORAGE_CLASS (sym, C_FCN);
3498 coff_line_base = get_absolute_expression ();
3500 S_SET_NUMBER_AUXILIARY (sym, 1);
3501 SA_SET_SYM_LNNO (sym, coff_line_base);
3503 /* Line number for bi. */
3506 S_SET_VALUE (saved_bi_sym, coff_n_line_nos);
3511 symbol_get_tc (sym)->output = 1;
3513 ppc_frob_label (sym);
3515 demand_empty_rest_of_line ();
3518 /* The .ef pseudo-op. This is just like a COFF C_FCN symbol named
3519 ".ef", except that the line number is absolute, not relative to the
3520 most recent ".bf" symbol. */
3524 int ignore ATTRIBUTE_UNUSED;
3528 sym = symbol_make (".ef");
3529 S_SET_SEGMENT (sym, text_section);
3530 symbol_set_frag (sym, frag_now);
3531 S_SET_VALUE (sym, frag_now_fix ());
3532 S_SET_STORAGE_CLASS (sym, C_FCN);
3533 S_SET_NUMBER_AUXILIARY (sym, 1);
3534 SA_SET_SYM_LNNO (sym, get_absolute_expression ());
3535 symbol_get_tc (sym)->output = 1;
3537 ppc_frob_label (sym);
3539 demand_empty_rest_of_line ();
3542 /* The .bi and .ei pseudo-ops. These take a string argument and
3543 generates a C_BINCL or C_EINCL symbol, which goes at the start of
3544 the symbol list. The value of .bi will be know when the next .bf
3551 static symbolS *last_biei;
3558 name = demand_copy_C_string (&len);
3560 /* The value of these symbols is actually file offset. Here we set
3561 the value to the index into the line number entries. In
3562 ppc_frob_symbols we set the fix_line field, which will cause BFD
3563 to do the right thing. */
3565 sym = symbol_make (name);
3566 /* obj-coff.c currently only handles line numbers correctly in the
3568 S_SET_SEGMENT (sym, text_section);
3569 S_SET_VALUE (sym, coff_n_line_nos);
3570 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
3572 S_SET_STORAGE_CLASS (sym, ei ? C_EINCL : C_BINCL);
3573 symbol_get_tc (sym)->output = 1;
3581 for (look = last_biei ? last_biei : symbol_rootP;
3582 (look != (symbolS *) NULL
3583 && (S_GET_STORAGE_CLASS (look) == C_FILE
3584 || S_GET_STORAGE_CLASS (look) == C_BINCL
3585 || S_GET_STORAGE_CLASS (look) == C_EINCL));
3586 look = symbol_next (look))
3588 if (look != (symbolS *) NULL)
3590 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
3591 symbol_insert (sym, look, &symbol_rootP, &symbol_lastP);
3595 demand_empty_rest_of_line ();
3598 /* The .bs pseudo-op. This generates a C_BSTAT symbol named ".bs".
3599 There is one argument, which is a csect symbol. The value of the
3600 .bs symbol is the index of this csect symbol. */
3604 int ignore ATTRIBUTE_UNUSED;
3611 if (ppc_current_block != NULL)
3612 as_bad (_("nested .bs blocks"));
3614 name = input_line_pointer;
3615 endc = get_symbol_end ();
3617 csect = symbol_find_or_make (name);
3619 *input_line_pointer = endc;
3621 sym = symbol_make (".bs");
3622 S_SET_SEGMENT (sym, now_seg);
3623 S_SET_STORAGE_CLASS (sym, C_BSTAT);
3624 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
3625 symbol_get_tc (sym)->output = 1;
3627 symbol_get_tc (sym)->within = csect;
3629 ppc_frob_label (sym);
3631 ppc_current_block = sym;
3633 demand_empty_rest_of_line ();
3636 /* The .es pseudo-op. Generate a C_ESTART symbol named .es. */
3640 int ignore ATTRIBUTE_UNUSED;
3644 if (ppc_current_block == NULL)
3645 as_bad (_(".es without preceding .bs"));
3647 sym = symbol_make (".es");
3648 S_SET_SEGMENT (sym, now_seg);
3649 S_SET_STORAGE_CLASS (sym, C_ESTAT);
3650 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
3651 symbol_get_tc (sym)->output = 1;
3653 ppc_frob_label (sym);
3655 ppc_current_block = NULL;
3657 demand_empty_rest_of_line ();
3660 /* The .bb pseudo-op. Generate a C_BLOCK symbol named .bb, with a
3665 int ignore ATTRIBUTE_UNUSED;
3669 sym = symbol_make (".bb");
3670 S_SET_SEGMENT (sym, text_section);
3671 symbol_set_frag (sym, frag_now);
3672 S_SET_VALUE (sym, frag_now_fix ());
3673 S_SET_STORAGE_CLASS (sym, C_BLOCK);
3675 S_SET_NUMBER_AUXILIARY (sym, 1);
3676 SA_SET_SYM_LNNO (sym, get_absolute_expression ());
3678 symbol_get_tc (sym)->output = 1;
3680 SF_SET_PROCESS (sym);
3682 ppc_frob_label (sym);
3684 demand_empty_rest_of_line ();
3687 /* The .eb pseudo-op. Generate a C_BLOCK symbol named .eb, with a
3692 int ignore ATTRIBUTE_UNUSED;
3696 sym = symbol_make (".eb");
3697 S_SET_SEGMENT (sym, text_section);
3698 symbol_set_frag (sym, frag_now);
3699 S_SET_VALUE (sym, frag_now_fix ());
3700 S_SET_STORAGE_CLASS (sym, C_BLOCK);
3701 S_SET_NUMBER_AUXILIARY (sym, 1);
3702 SA_SET_SYM_LNNO (sym, get_absolute_expression ());
3703 symbol_get_tc (sym)->output = 1;
3705 SF_SET_PROCESS (sym);
3707 ppc_frob_label (sym);
3709 demand_empty_rest_of_line ();
3712 /* The .bc pseudo-op. This just creates a C_BCOMM symbol with a
3717 int ignore ATTRIBUTE_UNUSED;
3723 name = demand_copy_C_string (&len);
3724 sym = symbol_make (name);
3725 S_SET_SEGMENT (sym, ppc_coff_debug_section);
3726 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
3727 S_SET_STORAGE_CLASS (sym, C_BCOMM);
3728 S_SET_VALUE (sym, 0);
3729 symbol_get_tc (sym)->output = 1;
3731 ppc_frob_label (sym);
3733 demand_empty_rest_of_line ();
3736 /* The .ec pseudo-op. This just creates a C_ECOMM symbol. */
3740 int ignore ATTRIBUTE_UNUSED;
3744 sym = symbol_make (".ec");
3745 S_SET_SEGMENT (sym, ppc_coff_debug_section);
3746 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
3747 S_SET_STORAGE_CLASS (sym, C_ECOMM);
3748 S_SET_VALUE (sym, 0);
3749 symbol_get_tc (sym)->output = 1;
3751 ppc_frob_label (sym);
3753 demand_empty_rest_of_line ();
3756 /* The .toc pseudo-op. Switch to the .toc subsegment. */
3760 int ignore ATTRIBUTE_UNUSED;
3762 if (ppc_toc_csect != (symbolS *) NULL)
3763 subseg_set (data_section, symbol_get_tc (ppc_toc_csect)->subseg);
3770 subseg = ppc_data_subsegment;
3771 ++ppc_data_subsegment;
3773 subseg_new (segment_name (data_section), subseg);
3774 ppc_toc_frag = frag_now;
3776 sym = symbol_find_or_make ("TOC[TC0]");
3777 symbol_set_frag (sym, frag_now);
3778 S_SET_SEGMENT (sym, data_section);
3779 S_SET_VALUE (sym, (valueT) frag_now_fix ());
3780 symbol_get_tc (sym)->subseg = subseg;
3781 symbol_get_tc (sym)->output = 1;
3782 symbol_get_tc (sym)->within = sym;
3784 ppc_toc_csect = sym;
3786 for (list = ppc_data_csects;
3787 symbol_get_tc (list)->next != (symbolS *) NULL;
3788 list = symbol_get_tc (list)->next)
3790 symbol_get_tc (list)->next = sym;
3792 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
3793 symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP,
3797 ppc_current_csect = ppc_toc_csect;
3799 demand_empty_rest_of_line ();
3802 /* The AIX assembler automatically aligns the operands of a .long or
3803 .short pseudo-op, and we want to be compatible. */
3806 ppc_xcoff_cons (log_size)
3809 frag_align (log_size, 0, 0);
3810 record_alignment (now_seg, log_size);
3811 cons (1 << log_size);
3816 int dummy ATTRIBUTE_UNUSED;
3821 (void) expression (&exp);
3823 if (exp.X_op != O_constant)
3825 as_bad (_("non-constant byte count"));
3829 byte_count = exp.X_add_number;
3831 if (*input_line_pointer != ',')
3833 as_bad (_("missing value"));
3837 ++input_line_pointer;
3841 #endif /* OBJ_XCOFF */
3842 #if defined (OBJ_XCOFF) || defined (OBJ_ELF)
3844 /* The .tc pseudo-op. This is used when generating either XCOFF or
3845 ELF. This takes two or more arguments.
3847 When generating XCOFF output, the first argument is the name to
3848 give to this location in the toc; this will be a symbol with class
3849 TC. The rest of the arguments are N-byte values to actually put at
3850 this location in the TOC; often there is just one more argument, a
3851 relocateable symbol reference. The size of the value to store
3852 depends on target word size. A 32-bit target uses 4-byte values, a
3853 64-bit target uses 8-byte values.
3855 When not generating XCOFF output, the arguments are the same, but
3856 the first argument is simply ignored. */
3860 int ignore ATTRIBUTE_UNUSED;
3864 /* Define the TOC symbol name. */
3870 if (ppc_toc_csect == (symbolS *) NULL
3871 || ppc_toc_csect != ppc_current_csect)
3873 as_bad (_(".tc not in .toc section"));
3874 ignore_rest_of_line ();
3878 name = input_line_pointer;
3879 endc = get_symbol_end ();
3881 sym = symbol_find_or_make (name);
3883 *input_line_pointer = endc;
3885 if (S_IS_DEFINED (sym))
3889 label = symbol_get_tc (ppc_current_csect)->within;
3890 if (symbol_get_tc (label)->class != XMC_TC0)
3892 as_bad (_(".tc with no label"));
3893 ignore_rest_of_line ();
3897 S_SET_SEGMENT (label, S_GET_SEGMENT (sym));
3898 symbol_set_frag (label, symbol_get_frag (sym));
3899 S_SET_VALUE (label, S_GET_VALUE (sym));
3901 while (! is_end_of_line[(unsigned char) *input_line_pointer])
3902 ++input_line_pointer;
3907 S_SET_SEGMENT (sym, now_seg);
3908 symbol_set_frag (sym, frag_now);
3909 S_SET_VALUE (sym, (valueT) frag_now_fix ());
3910 symbol_get_tc (sym)->class = XMC_TC;
3911 symbol_get_tc (sym)->output = 1;
3913 ppc_frob_label (sym);
3916 #endif /* OBJ_XCOFF */
3920 /* Skip the TOC symbol name. */
3921 while (is_part_of_name (*input_line_pointer)
3922 || *input_line_pointer == '['
3923 || *input_line_pointer == ']'
3924 || *input_line_pointer == '{'
3925 || *input_line_pointer == '}')
3926 ++input_line_pointer;
3928 /* Align to a four/eight byte boundary. */
3929 align = ppc_obj64 ? 3 : 2;
3930 frag_align (align, 0, 0);
3931 record_alignment (now_seg, align);
3932 #endif /* OBJ_ELF */
3934 if (*input_line_pointer != ',')
3935 demand_empty_rest_of_line ();
3938 ++input_line_pointer;
3939 cons (ppc_obj64 ? 8 : 4);
3943 /* Pseudo-op .machine. */
3944 /* FIXME: `.machine' is a nop for the moment. It would be nice to
3945 accept this directive on the first line of input and set ppc_obj64
3946 and the target format accordingly. Unfortunately, the target
3947 format is selected in output-file.c:output_file_create before we
3948 even get to md_begin, so it's not possible without changing
3952 ppc_machine (ignore)
3953 int ignore ATTRIBUTE_UNUSED;
3955 discard_rest_of_line ();
3958 /* See whether a symbol is in the TOC section. */
3961 ppc_is_toc_sym (sym)
3965 return symbol_get_tc (sym)->class == XMC_TC;
3968 const char *sname = segment_name (S_GET_SEGMENT (sym));
3970 return strcmp (sname, ".toc") == 0;
3972 return strcmp (sname, ".got") == 0;
3975 #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */
3979 /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */
3981 /* Set the current section. */
3983 ppc_set_current_section (new)
3986 ppc_previous_section = ppc_current_section;
3987 ppc_current_section = new;
3990 /* pseudo-op: .previous
3991 behaviour: toggles the current section with the previous section.
3993 warnings: "No previous section" */
3996 ppc_previous (ignore)
3997 int ignore ATTRIBUTE_UNUSED;
4001 if (ppc_previous_section == NULL)
4003 as_warn (_("No previous section to return to. Directive ignored."));
4007 subseg_set (ppc_previous_section, 0);
4009 ppc_set_current_section (ppc_previous_section);
4012 /* pseudo-op: .pdata
4013 behaviour: predefined read only data section
4017 initial: .section .pdata "adr3"
4018 a - don't know -- maybe a misprint
4019 d - initialized data
4021 3 - double word aligned (that would be 4 byte boundary)
4024 Tag index tables (also known as the function table) for exception
4025 handling, debugging, etc. */
4029 int ignore ATTRIBUTE_UNUSED;
4031 if (pdata_section == 0)
4033 pdata_section = subseg_new (".pdata", 0);
4035 bfd_set_section_flags (stdoutput, pdata_section,
4036 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
4037 | SEC_READONLY | SEC_DATA ));
4039 bfd_set_section_alignment (stdoutput, pdata_section, 2);
4043 pdata_section = subseg_new (".pdata", 0);
4045 ppc_set_current_section (pdata_section);
4048 /* pseudo-op: .ydata
4049 behaviour: predefined read only data section
4053 initial: .section .ydata "drw3"
4054 a - don't know -- maybe a misprint
4055 d - initialized data
4057 3 - double word aligned (that would be 4 byte boundary)
4059 Tag tables (also known as the scope table) for exception handling,
4064 int ignore ATTRIBUTE_UNUSED;
4066 if (ydata_section == 0)
4068 ydata_section = subseg_new (".ydata", 0);
4069 bfd_set_section_flags (stdoutput, ydata_section,
4070 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
4071 | SEC_READONLY | SEC_DATA ));
4073 bfd_set_section_alignment (stdoutput, ydata_section, 3);
4077 ydata_section = subseg_new (".ydata", 0);
4079 ppc_set_current_section (ydata_section);
4082 /* pseudo-op: .reldata
4083 behaviour: predefined read write data section
4084 double word aligned (4-byte)
4085 FIXME: relocation is applied to it
4086 FIXME: what's the difference between this and .data?
4089 initial: .section .reldata "drw3"
4090 d - initialized data
4093 3 - double word aligned (that would be 8 byte boundary)
4096 Like .data, but intended to hold data subject to relocation, such as
4097 function descriptors, etc. */
4100 ppc_reldata (ignore)
4101 int ignore ATTRIBUTE_UNUSED;
4103 if (reldata_section == 0)
4105 reldata_section = subseg_new (".reldata", 0);
4107 bfd_set_section_flags (stdoutput, reldata_section,
4108 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
4111 bfd_set_section_alignment (stdoutput, reldata_section, 2);
4115 reldata_section = subseg_new (".reldata", 0);
4117 ppc_set_current_section (reldata_section);
4120 /* pseudo-op: .rdata
4121 behaviour: predefined read only data section
4125 initial: .section .rdata "dr3"
4126 d - initialized data
4128 3 - double word aligned (that would be 4 byte boundary) */
4132 int ignore ATTRIBUTE_UNUSED;
4134 if (rdata_section == 0)
4136 rdata_section = subseg_new (".rdata", 0);
4137 bfd_set_section_flags (stdoutput, rdata_section,
4138 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
4139 | SEC_READONLY | SEC_DATA ));
4141 bfd_set_section_alignment (stdoutput, rdata_section, 2);
4145 rdata_section = subseg_new (".rdata", 0);
4147 ppc_set_current_section (rdata_section);
4150 /* pseudo-op: .ualong
4151 behaviour: much like .int, with the exception that no alignment is
4153 FIXME: test the alignment statement
4159 int ignore ATTRIBUTE_UNUSED;
4165 /* pseudo-op: .znop <symbol name>
4166 behaviour: Issue a nop instruction
4167 Issue a IMAGE_REL_PPC_IFGLUE relocation against it, using
4168 the supplied symbol name.
4170 warnings: Missing symbol name */
4174 int ignore ATTRIBUTE_UNUSED;
4177 const struct powerpc_opcode *opcode;
4188 /* Strip out the symbol name. */
4189 symbol_name = input_line_pointer;
4190 c = get_symbol_end ();
4192 name = xmalloc (input_line_pointer - symbol_name + 1);
4193 strcpy (name, symbol_name);
4195 sym = symbol_find_or_make (name);
4197 *input_line_pointer = c;
4201 /* Look up the opcode in the hash table. */
4202 opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, "nop");
4204 /* Stick in the nop. */
4205 insn = opcode->opcode;
4207 /* Write out the instruction. */
4209 md_number_to_chars (f, insn, 4);
4211 f - frag_now->fr_literal,
4216 BFD_RELOC_16_GOT_PCREL);
4229 register char *name;
4233 register symbolS *symbolP;
4236 name = input_line_pointer;
4237 c = get_symbol_end ();
4239 /* just after name is now '\0'. */
4240 p = input_line_pointer;
4243 if (*input_line_pointer != ',')
4245 as_bad (_("Expected comma after symbol-name: rest of line ignored."));
4246 ignore_rest_of_line ();
4250 input_line_pointer++; /* skip ',' */
4251 if ((temp = get_absolute_expression ()) < 0)
4253 as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp);
4254 ignore_rest_of_line ();
4260 /* The third argument to .comm is the alignment. */
4261 if (*input_line_pointer != ',')
4265 ++input_line_pointer;
4266 align = get_absolute_expression ();
4269 as_warn (_("ignoring bad alignment"));
4276 symbolP = symbol_find_or_make (name);
4279 if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
4281 as_bad (_("Ignoring attempt to re-define symbol `%s'."),
4282 S_GET_NAME (symbolP));
4283 ignore_rest_of_line ();
4287 if (S_GET_VALUE (symbolP))
4289 if (S_GET_VALUE (symbolP) != (valueT) temp)
4290 as_bad (_("Length of .comm \"%s\" is already %ld. Not changed to %ld."),
4291 S_GET_NAME (symbolP),
4292 (long) S_GET_VALUE (symbolP),
4297 S_SET_VALUE (symbolP, (valueT) temp);
4298 S_SET_EXTERNAL (symbolP);
4301 demand_empty_rest_of_line ();
4305 * implement the .section pseudo op:
4306 * .section name {, "flags"}
4308 * | +--- optional flags: 'b' for bss
4310 * +-- section name 'l' for lib
4314 * 'd' (apparently m88k for data)
4316 * But if the argument is not a quoted string, treat it as a
4317 * subsegment number.
4319 * FIXME: this is a copy of the section processing from obj-coff.c, with
4320 * additions/changes for the moto-pas assembler support. There are three
4323 * FIXME: I just noticed this. This doesn't work at all really. It it
4324 * setting bits that bfd probably neither understands or uses. The
4325 * correct approach (?) will have to incorporate extra fields attached
4326 * to the section to hold the system specific stuff. (krk)
4329 * 'a' - unknown - referred to in documentation, but no definition supplied
4330 * 'c' - section has code
4331 * 'd' - section has initialized data
4332 * 'u' - section has uninitialized data
4333 * 'i' - section contains directives (info)
4334 * 'n' - section can be discarded
4335 * 'R' - remove section at link time
4337 * Section Protection:
4338 * 'r' - section is readable
4339 * 'w' - section is writeable
4340 * 'x' - section is executable
4341 * 's' - section is sharable
4343 * Section Alignment:
4344 * '0' - align to byte boundary
4345 * '1' - align to halfword undary
4346 * '2' - align to word boundary
4347 * '3' - align to doubleword boundary
4348 * '4' - align to quadword boundary
4349 * '5' - align to 32 byte boundary
4350 * '6' - align to 64 byte boundary
4355 ppc_pe_section (ignore)
4356 int ignore ATTRIBUTE_UNUSED;
4358 /* Strip out the section name. */
4367 section_name = input_line_pointer;
4368 c = get_symbol_end ();
4370 name = xmalloc (input_line_pointer - section_name + 1);
4371 strcpy (name, section_name);
4373 *input_line_pointer = c;
4378 flags = SEC_NO_FLAGS;
4380 if (strcmp (name, ".idata$2") == 0)
4384 else if (strcmp (name, ".idata$3") == 0)
4388 else if (strcmp (name, ".idata$4") == 0)
4392 else if (strcmp (name, ".idata$5") == 0)
4396 else if (strcmp (name, ".idata$6") == 0)
4401 /* Default alignment to 16 byte boundary. */
4404 if (*input_line_pointer == ',')
4406 ++input_line_pointer;
4408 if (*input_line_pointer != '"')
4409 exp = get_absolute_expression ();
4412 ++input_line_pointer;
4413 while (*input_line_pointer != '"'
4414 && ! is_end_of_line[(unsigned char) *input_line_pointer])
4416 switch (*input_line_pointer)
4418 /* Section Contents */
4419 case 'a': /* unknown */
4420 as_bad (_("Unsupported section attribute -- 'a'"));
4422 case 'c': /* code section */
4425 case 'd': /* section has initialized data */
4428 case 'u': /* section has uninitialized data */
4429 /* FIXME: This is IMAGE_SCN_CNT_UNINITIALIZED_DATA
4433 case 'i': /* section contains directives (info) */
4434 /* FIXME: This is IMAGE_SCN_LNK_INFO
4436 flags |= SEC_HAS_CONTENTS;
4438 case 'n': /* section can be discarded */
4441 case 'R': /* Remove section at link time */
4442 flags |= SEC_NEVER_LOAD;
4445 /* Section Protection */
4446 case 'r': /* section is readable */
4447 flags |= IMAGE_SCN_MEM_READ;
4449 case 'w': /* section is writeable */
4450 flags |= IMAGE_SCN_MEM_WRITE;
4452 case 'x': /* section is executable */
4453 flags |= IMAGE_SCN_MEM_EXECUTE;
4455 case 's': /* section is sharable */
4456 flags |= IMAGE_SCN_MEM_SHARED;
4459 /* Section Alignment */
4460 case '0': /* align to byte boundary */
4461 flags |= IMAGE_SCN_ALIGN_1BYTES;
4464 case '1': /* align to halfword boundary */
4465 flags |= IMAGE_SCN_ALIGN_2BYTES;
4468 case '2': /* align to word boundary */
4469 flags |= IMAGE_SCN_ALIGN_4BYTES;
4472 case '3': /* align to doubleword boundary */
4473 flags |= IMAGE_SCN_ALIGN_8BYTES;
4476 case '4': /* align to quadword boundary */
4477 flags |= IMAGE_SCN_ALIGN_16BYTES;
4480 case '5': /* align to 32 byte boundary */
4481 flags |= IMAGE_SCN_ALIGN_32BYTES;
4484 case '6': /* align to 64 byte boundary */
4485 flags |= IMAGE_SCN_ALIGN_64BYTES;
4490 as_bad (_("unknown section attribute '%c'"),
4491 *input_line_pointer);
4494 ++input_line_pointer;
4496 if (*input_line_pointer == '"')
4497 ++input_line_pointer;
4501 sec = subseg_new (name, (subsegT) exp);
4503 ppc_set_current_section (sec);
4505 if (flags != SEC_NO_FLAGS)
4507 if (! bfd_set_section_flags (stdoutput, sec, flags))
4508 as_bad (_("error setting flags for \"%s\": %s"),
4509 bfd_section_name (stdoutput, sec),
4510 bfd_errmsg (bfd_get_error ()));
4513 bfd_set_section_alignment (stdoutput, sec, align);
4518 ppc_pe_function (ignore)
4519 int ignore ATTRIBUTE_UNUSED;
4525 name = input_line_pointer;
4526 endc = get_symbol_end ();
4528 ext_sym = symbol_find_or_make (name);
4530 *input_line_pointer = endc;
4532 S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT);
4533 SF_SET_FUNCTION (ext_sym);
4534 SF_SET_PROCESS (ext_sym);
4535 coff_add_linesym (ext_sym);
4537 demand_empty_rest_of_line ();
4541 ppc_pe_tocd (ignore)
4542 int ignore ATTRIBUTE_UNUSED;
4544 if (tocdata_section == 0)
4546 tocdata_section = subseg_new (".tocd", 0);
4547 /* FIXME: section flags won't work. */
4548 bfd_set_section_flags (stdoutput, tocdata_section,
4549 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
4550 | SEC_READONLY | SEC_DATA));
4552 bfd_set_section_alignment (stdoutput, tocdata_section, 2);
4556 rdata_section = subseg_new (".tocd", 0);
4559 ppc_set_current_section (tocdata_section);
4561 demand_empty_rest_of_line ();
4564 /* Don't adjust TOC relocs to use the section symbol. */
4567 ppc_pe_fix_adjustable (fix)
4570 return fix->fx_r_type != BFD_RELOC_PPC_TOC16;
4577 /* XCOFF specific symbol and file handling. */
4579 /* Canonicalize the symbol name. We use the to force the suffix, if
4580 any, to use square brackets, and to be in upper case. */
4583 ppc_canonicalize_symbol_name (name)
4588 if (ppc_stab_symbol)
4591 for (s = name; *s != '\0' && *s != '{' && *s != '['; s++)
4605 for (s++; *s != '\0' && *s != brac; s++)
4608 if (*s == '\0' || s[1] != '\0')
4609 as_bad (_("bad symbol suffix"));
4617 /* Set the class of a symbol based on the suffix, if any. This is
4618 called whenever a new symbol is created. */
4621 ppc_symbol_new_hook (sym)
4624 struct ppc_tc_sy *tc;
4627 tc = symbol_get_tc (sym);
4631 tc->real_name = NULL;
4637 if (ppc_stab_symbol)
4640 s = strchr (S_GET_NAME (sym), '[');
4641 if (s == (const char *) NULL)
4643 /* There is no suffix. */
4652 if (strcmp (s, "BS]") == 0)
4656 if (strcmp (s, "DB]") == 0)
4658 else if (strcmp (s, "DS]") == 0)
4662 if (strcmp (s, "GL]") == 0)
4666 if (strcmp (s, "PR]") == 0)
4670 if (strcmp (s, "RO]") == 0)
4672 else if (strcmp (s, "RW]") == 0)
4676 if (strcmp (s, "SV]") == 0)
4680 if (strcmp (s, "TC]") == 0)
4682 else if (strcmp (s, "TI]") == 0)
4684 else if (strcmp (s, "TB]") == 0)
4686 else if (strcmp (s, "TC0]") == 0 || strcmp (s, "T0]") == 0)
4687 tc->class = XMC_TC0;
4690 if (strcmp (s, "UA]") == 0)
4692 else if (strcmp (s, "UC]") == 0)
4696 if (strcmp (s, "XO]") == 0)
4701 if (tc->class == -1)
4702 as_bad (_("Unrecognized symbol suffix"));
4705 /* Set the class of a label based on where it is defined. This
4706 handles symbols without suffixes. Also, move the symbol so that it
4707 follows the csect symbol. */
4710 ppc_frob_label (sym)
4713 if (ppc_current_csect != (symbolS *) NULL)
4715 if (symbol_get_tc (sym)->class == -1)
4716 symbol_get_tc (sym)->class = symbol_get_tc (ppc_current_csect)->class;
4718 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
4719 symbol_append (sym, symbol_get_tc (ppc_current_csect)->within,
4720 &symbol_rootP, &symbol_lastP);
4721 symbol_get_tc (ppc_current_csect)->within = sym;
4725 /* This variable is set by ppc_frob_symbol if any absolute symbols are
4726 seen. It tells ppc_adjust_symtab whether it needs to look through
4729 static bfd_boolean ppc_saw_abs;
4731 /* Change the name of a symbol just before writing it out. Set the
4732 real name if the .rename pseudo-op was used. Otherwise, remove any
4733 class suffix. Return 1 if the symbol should not be included in the
4737 ppc_frob_symbol (sym)
4740 static symbolS *ppc_last_function;
4741 static symbolS *set_end;
4743 /* Discard symbols that should not be included in the output symbol
4745 if (! symbol_used_in_reloc_p (sym)
4746 && ((symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0
4747 || (! S_IS_EXTERNAL (sym)
4748 && ! symbol_get_tc (sym)->output
4749 && S_GET_STORAGE_CLASS (sym) != C_FILE)))
4752 /* This one will disappear anyway. Don't make a csect sym for it. */
4753 if (sym == abs_section_sym)
4756 if (symbol_get_tc (sym)->real_name != (char *) NULL)
4757 S_SET_NAME (sym, symbol_get_tc (sym)->real_name);
4763 name = S_GET_NAME (sym);
4764 s = strchr (name, '[');
4765 if (s != (char *) NULL)
4771 snew = xmalloc (len + 1);
4772 memcpy (snew, name, len);
4775 S_SET_NAME (sym, snew);
4779 if (set_end != (symbolS *) NULL)
4781 SA_SET_SYM_ENDNDX (set_end, sym);
4785 if (SF_GET_FUNCTION (sym))
4787 if (ppc_last_function != (symbolS *) NULL)
4788 as_bad (_("two .function pseudo-ops with no intervening .ef"));
4789 ppc_last_function = sym;
4790 if (symbol_get_tc (sym)->size != (symbolS *) NULL)
4792 resolve_symbol_value (symbol_get_tc (sym)->size);
4793 SA_SET_SYM_FSIZE (sym,
4794 (long) S_GET_VALUE (symbol_get_tc (sym)->size));
4797 else if (S_GET_STORAGE_CLASS (sym) == C_FCN
4798 && strcmp (S_GET_NAME (sym), ".ef") == 0)
4800 if (ppc_last_function == (symbolS *) NULL)
4801 as_bad (_(".ef with no preceding .function"));
4804 set_end = ppc_last_function;
4805 ppc_last_function = NULL;
4807 /* We don't have a C_EFCN symbol, but we need to force the
4808 COFF backend to believe that it has seen one. */
4809 coff_last_function = NULL;
4813 if (! S_IS_EXTERNAL (sym)
4814 && (symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) == 0
4815 && S_GET_STORAGE_CLASS (sym) != C_FILE
4816 && S_GET_STORAGE_CLASS (sym) != C_FCN
4817 && S_GET_STORAGE_CLASS (sym) != C_BLOCK
4818 && S_GET_STORAGE_CLASS (sym) != C_BSTAT
4819 && S_GET_STORAGE_CLASS (sym) != C_ESTAT
4820 && S_GET_STORAGE_CLASS (sym) != C_BINCL
4821 && S_GET_STORAGE_CLASS (sym) != C_EINCL
4822 && S_GET_SEGMENT (sym) != ppc_coff_debug_section)
4823 S_SET_STORAGE_CLASS (sym, C_HIDEXT);
4825 if (S_GET_STORAGE_CLASS (sym) == C_EXT
4826 || S_GET_STORAGE_CLASS (sym) == C_HIDEXT)
4829 union internal_auxent *a;
4831 /* Create a csect aux. */
4832 i = S_GET_NUMBER_AUXILIARY (sym);
4833 S_SET_NUMBER_AUXILIARY (sym, i + 1);
4834 a = &coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].u.auxent;
4835 if (symbol_get_tc (sym)->class == XMC_TC0)
4837 /* This is the TOC table. */
4838 know (strcmp (S_GET_NAME (sym), "TOC") == 0);
4839 a->x_csect.x_scnlen.l = 0;
4840 a->x_csect.x_smtyp = (2 << 3) | XTY_SD;
4842 else if (symbol_get_tc (sym)->subseg != 0)
4844 /* This is a csect symbol. x_scnlen is the size of the
4846 if (symbol_get_tc (sym)->next == (symbolS *) NULL)
4847 a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput,
4848 S_GET_SEGMENT (sym))
4849 - S_GET_VALUE (sym));
4852 resolve_symbol_value (symbol_get_tc (sym)->next);
4853 a->x_csect.x_scnlen.l = (S_GET_VALUE (symbol_get_tc (sym)->next)
4854 - S_GET_VALUE (sym));
4856 a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_SD;
4858 else if (S_GET_SEGMENT (sym) == bss_section)
4860 /* This is a common symbol. */
4861 a->x_csect.x_scnlen.l = symbol_get_frag (sym)->fr_offset;
4862 a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_CM;
4863 if (S_IS_EXTERNAL (sym))
4864 symbol_get_tc (sym)->class = XMC_RW;
4866 symbol_get_tc (sym)->class = XMC_BS;
4868 else if (S_GET_SEGMENT (sym) == absolute_section)
4870 /* This is an absolute symbol. The csect will be created by
4871 ppc_adjust_symtab. */
4873 a->x_csect.x_smtyp = XTY_LD;
4874 if (symbol_get_tc (sym)->class == -1)
4875 symbol_get_tc (sym)->class = XMC_XO;
4877 else if (! S_IS_DEFINED (sym))
4879 /* This is an external symbol. */
4880 a->x_csect.x_scnlen.l = 0;
4881 a->x_csect.x_smtyp = XTY_ER;
4883 else if (symbol_get_tc (sym)->class == XMC_TC)
4887 /* This is a TOC definition. x_scnlen is the size of the
4889 next = symbol_next (sym);
4890 while (symbol_get_tc (next)->class == XMC_TC0)
4891 next = symbol_next (next);
4892 if (next == (symbolS *) NULL
4893 || symbol_get_tc (next)->class != XMC_TC)
4895 if (ppc_after_toc_frag == (fragS *) NULL)
4896 a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput,
4898 - S_GET_VALUE (sym));
4900 a->x_csect.x_scnlen.l = (ppc_after_toc_frag->fr_address
4901 - S_GET_VALUE (sym));
4905 resolve_symbol_value (next);
4906 a->x_csect.x_scnlen.l = (S_GET_VALUE (next)
4907 - S_GET_VALUE (sym));
4909 a->x_csect.x_smtyp = (2 << 3) | XTY_SD;
4915 /* This is a normal symbol definition. x_scnlen is the
4916 symbol index of the containing csect. */
4917 if (S_GET_SEGMENT (sym) == text_section)
4918 csect = ppc_text_csects;
4919 else if (S_GET_SEGMENT (sym) == data_section)
4920 csect = ppc_data_csects;
4924 /* Skip the initial dummy symbol. */
4925 csect = symbol_get_tc (csect)->next;
4927 if (csect == (symbolS *) NULL)
4929 as_warn (_("warning: symbol %s has no csect"), S_GET_NAME (sym));
4930 a->x_csect.x_scnlen.l = 0;
4934 while (symbol_get_tc (csect)->next != (symbolS *) NULL)
4936 resolve_symbol_value (symbol_get_tc (csect)->next);
4937 if (S_GET_VALUE (symbol_get_tc (csect)->next)
4938 > S_GET_VALUE (sym))
4940 csect = symbol_get_tc (csect)->next;
4943 a->x_csect.x_scnlen.p =
4944 coffsymbol (symbol_get_bfdsym (csect))->native;
4945 coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].fix_scnlen =
4948 a->x_csect.x_smtyp = XTY_LD;
4951 a->x_csect.x_parmhash = 0;
4952 a->x_csect.x_snhash = 0;
4953 if (symbol_get_tc (sym)->class == -1)
4954 a->x_csect.x_smclas = XMC_PR;
4956 a->x_csect.x_smclas = symbol_get_tc (sym)->class;
4957 a->x_csect.x_stab = 0;
4958 a->x_csect.x_snstab = 0;
4960 /* Don't let the COFF backend resort these symbols. */
4961 symbol_get_bfdsym (sym)->flags |= BSF_NOT_AT_END;
4963 else if (S_GET_STORAGE_CLASS (sym) == C_BSTAT)
4965 /* We want the value to be the symbol index of the referenced
4966 csect symbol. BFD will do that for us if we set the right
4968 asymbol *bsym = symbol_get_bfdsym (symbol_get_tc (sym)->within);
4969 combined_entry_type *c = coffsymbol (bsym)->native;
4971 S_SET_VALUE (sym, (valueT) (size_t) c);
4972 coffsymbol (symbol_get_bfdsym (sym))->native->fix_value = 1;
4974 else if (S_GET_STORAGE_CLASS (sym) == C_STSYM)
4979 /* The value is the offset from the enclosing csect. */
4980 block = symbol_get_tc (sym)->within;
4981 csect = symbol_get_tc (block)->within;
4982 resolve_symbol_value (csect);
4983 S_SET_VALUE (sym, S_GET_VALUE (sym) - S_GET_VALUE (csect));
4985 else if (S_GET_STORAGE_CLASS (sym) == C_BINCL
4986 || S_GET_STORAGE_CLASS (sym) == C_EINCL)
4988 /* We want the value to be a file offset into the line numbers.
4989 BFD will do that for us if we set the right flags. We have
4990 already set the value correctly. */
4991 coffsymbol (symbol_get_bfdsym (sym))->native->fix_line = 1;
4997 /* Adjust the symbol table. This creates csect symbols for all
4998 absolute symbols. */
5001 ppc_adjust_symtab ()
5008 for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym))
5012 union internal_auxent *a;
5014 if (S_GET_SEGMENT (sym) != absolute_section)
5017 csect = symbol_create (".abs[XO]", absolute_section,
5018 S_GET_VALUE (sym), &zero_address_frag);
5019 symbol_get_bfdsym (csect)->value = S_GET_VALUE (sym);
5020 S_SET_STORAGE_CLASS (csect, C_HIDEXT);
5021 i = S_GET_NUMBER_AUXILIARY (csect);
5022 S_SET_NUMBER_AUXILIARY (csect, i + 1);
5023 a = &coffsymbol (symbol_get_bfdsym (csect))->native[i + 1].u.auxent;
5024 a->x_csect.x_scnlen.l = 0;
5025 a->x_csect.x_smtyp = XTY_SD;
5026 a->x_csect.x_parmhash = 0;
5027 a->x_csect.x_snhash = 0;
5028 a->x_csect.x_smclas = XMC_XO;
5029 a->x_csect.x_stab = 0;
5030 a->x_csect.x_snstab = 0;
5032 symbol_insert (csect, sym, &symbol_rootP, &symbol_lastP);
5034 i = S_GET_NUMBER_AUXILIARY (sym);
5035 a = &coffsymbol (symbol_get_bfdsym (sym))->native[i].u.auxent;
5036 a->x_csect.x_scnlen.p = coffsymbol (symbol_get_bfdsym (csect))->native;
5037 coffsymbol (symbol_get_bfdsym (sym))->native[i].fix_scnlen = 1;
5040 ppc_saw_abs = FALSE;
5043 /* Set the VMA for a section. This is called on all the sections in
5047 ppc_frob_section (sec)
5050 static bfd_size_type vma = 0;
5052 bfd_set_section_vma (stdoutput, sec, vma);
5053 vma += bfd_section_size (stdoutput, sec);
5056 #endif /* OBJ_XCOFF */
5058 /* Turn a string in input_line_pointer into a floating point constant
5059 of type TYPE, and store the appropriate bytes in *LITP. The number
5060 of LITTLENUMS emitted is stored in *SIZEP. An error message is
5061 returned, or NULL on OK. */
5064 md_atof (type, litp, sizep)
5070 LITTLENUM_TYPE words[4];
5086 return _("bad call to md_atof");
5089 t = atof_ieee (input_line_pointer, type, words);
5091 input_line_pointer = t;
5095 if (target_big_endian)
5097 for (i = 0; i < prec; i++)
5099 md_number_to_chars (litp, (valueT) words[i], 2);
5105 for (i = prec - 1; i >= 0; i--)
5107 md_number_to_chars (litp, (valueT) words[i], 2);
5115 /* Write a value out to the object file, using the appropriate
5119 md_number_to_chars (buf, val, n)
5124 if (target_big_endian)
5125 number_to_chars_bigendian (buf, val, n);
5127 number_to_chars_littleendian (buf, val, n);
5130 /* Align a section (I don't know why this is machine dependent). */
5133 md_section_align (seg, addr)
5137 int align = bfd_get_section_alignment (stdoutput, seg);
5139 return ((addr + (1 << align) - 1) & (-1 << align));
5142 /* We don't have any form of relaxing. */
5145 md_estimate_size_before_relax (fragp, seg)
5146 fragS *fragp ATTRIBUTE_UNUSED;
5147 asection *seg ATTRIBUTE_UNUSED;
5153 /* Convert a machine dependent frag. We never generate these. */
5156 md_convert_frag (abfd, sec, fragp)
5157 bfd *abfd ATTRIBUTE_UNUSED;
5158 asection *sec ATTRIBUTE_UNUSED;
5159 fragS *fragp ATTRIBUTE_UNUSED;
5164 /* We have no need to default values of symbols. */
5167 md_undefined_symbol (name)
5168 char *name ATTRIBUTE_UNUSED;
5173 /* Functions concerning relocs. */
5175 /* The location from which a PC relative jump should be calculated,
5176 given a PC relative reloc. */
5179 md_pcrel_from_section (fixp, sec)
5181 segT sec ATTRIBUTE_UNUSED;
5183 return fixp->fx_frag->fr_address + fixp->fx_where;
5188 /* This is called to see whether a fixup should be adjusted to use a
5189 section symbol. We take the opportunity to change a fixup against
5190 a symbol in the TOC subsegment into a reloc against the
5191 corresponding .tc symbol. */
5194 ppc_fix_adjustable (fix)
5197 valueT val = resolve_symbol_value (fix->fx_addsy);
5198 segT symseg = S_GET_SEGMENT (fix->fx_addsy);
5199 TC_SYMFIELD_TYPE *tc;
5201 if (symseg == absolute_section)
5204 if (ppc_toc_csect != (symbolS *) NULL
5205 && fix->fx_addsy != ppc_toc_csect
5206 && symseg == data_section
5207 && val >= ppc_toc_frag->fr_address
5208 && (ppc_after_toc_frag == (fragS *) NULL
5209 || val < ppc_after_toc_frag->fr_address))
5213 for (sy = symbol_next (ppc_toc_csect);
5214 sy != (symbolS *) NULL;
5215 sy = symbol_next (sy))
5217 TC_SYMFIELD_TYPE *sy_tc = symbol_get_tc (sy);
5219 if (sy_tc->class == XMC_TC0)
5221 if (sy_tc->class != XMC_TC)
5223 if (val == resolve_symbol_value (sy))
5226 fix->fx_addnumber = val - ppc_toc_frag->fr_address;
5231 as_bad_where (fix->fx_file, fix->fx_line,
5232 _("symbol in .toc does not match any .tc"));
5235 /* Possibly adjust the reloc to be against the csect. */
5236 tc = symbol_get_tc (fix->fx_addsy);
5238 && tc->class != XMC_TC0
5239 && tc->class != XMC_TC
5240 && symseg != bss_section
5241 /* Don't adjust if this is a reloc in the toc section. */
5242 && (symseg != data_section
5243 || ppc_toc_csect == NULL
5244 || val < ppc_toc_frag->fr_address
5245 || (ppc_after_toc_frag != NULL
5246 && val >= ppc_after_toc_frag->fr_address)))
5249 symbolS *next_csect;
5251 if (symseg == text_section)
5252 csect = ppc_text_csects;
5253 else if (symseg == data_section)
5254 csect = ppc_data_csects;
5258 /* Skip the initial dummy symbol. */
5259 csect = symbol_get_tc (csect)->next;
5261 if (csect != (symbolS *) NULL)
5263 while ((next_csect = symbol_get_tc (csect)->next) != (symbolS *) NULL
5264 && (symbol_get_frag (next_csect)->fr_address <= val))
5266 /* If the csect address equals the symbol value, then we
5267 have to look through the full symbol table to see
5268 whether this is the csect we want. Note that we will
5269 only get here if the csect has zero length. */
5270 if (symbol_get_frag (csect)->fr_address == val
5271 && S_GET_VALUE (csect) == val)
5275 for (scan = symbol_next (csect);
5277 scan = symbol_next (scan))
5279 if (symbol_get_tc (scan)->subseg != 0)
5281 if (scan == fix->fx_addsy)
5285 /* If we found the symbol before the next csect
5286 symbol, then this is the csect we want. */
5287 if (scan == fix->fx_addsy)
5294 fix->fx_offset += val - symbol_get_frag (csect)->fr_address;
5295 fix->fx_addsy = csect;
5300 /* Adjust a reloc against a .lcomm symbol to be against the base
5302 if (symseg == bss_section
5303 && ! S_IS_EXTERNAL (fix->fx_addsy))
5305 symbolS *sy = symbol_get_frag (fix->fx_addsy)->fr_symbol;
5307 fix->fx_offset += val - resolve_symbol_value (sy);
5314 /* A reloc from one csect to another must be kept. The assembler
5315 will, of course, keep relocs between sections, and it will keep
5316 absolute relocs, but we need to force it to keep PC relative relocs
5317 between two csects in the same section. */
5320 ppc_force_relocation (fix)
5323 /* At this point fix->fx_addsy should already have been converted to
5324 a csect symbol. If the csect does not include the fragment, then
5325 we need to force the relocation. */
5327 && fix->fx_addsy != NULL
5328 && symbol_get_tc (fix->fx_addsy)->subseg != 0
5329 && ((symbol_get_frag (fix->fx_addsy)->fr_address
5330 > fix->fx_frag->fr_address)
5331 || (symbol_get_tc (fix->fx_addsy)->next != NULL
5332 && (symbol_get_frag (symbol_get_tc (fix->fx_addsy)->next)->fr_address
5333 <= fix->fx_frag->fr_address))))
5336 return generic_force_reloc (fix);
5339 #endif /* OBJ_XCOFF */
5342 /* If this function returns non-zero, it guarantees that a relocation
5343 will be emitted for a fixup. */
5346 ppc_force_relocation (fix)
5349 /* Branch prediction relocations must force a relocation, as must
5350 the vtable description relocs. */
5351 switch (fix->fx_r_type)
5353 case BFD_RELOC_PPC_B16_BRTAKEN:
5354 case BFD_RELOC_PPC_B16_BRNTAKEN:
5355 case BFD_RELOC_PPC_BA16_BRTAKEN:
5356 case BFD_RELOC_PPC_BA16_BRNTAKEN:
5357 case BFD_RELOC_PPC64_TOC:
5363 if (fix->fx_r_type >= BFD_RELOC_PPC_TLS
5364 && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA)
5367 return generic_force_reloc (fix);
5371 ppc_fix_adjustable (fix)
5374 return (fix->fx_r_type != BFD_RELOC_16_GOTOFF
5375 && fix->fx_r_type != BFD_RELOC_LO16_GOTOFF
5376 && fix->fx_r_type != BFD_RELOC_HI16_GOTOFF
5377 && fix->fx_r_type != BFD_RELOC_HI16_S_GOTOFF
5378 && fix->fx_r_type != BFD_RELOC_GPREL16
5379 && fix->fx_r_type != BFD_RELOC_VTABLE_INHERIT
5380 && fix->fx_r_type != BFD_RELOC_VTABLE_ENTRY
5381 && !(fix->fx_r_type >= BFD_RELOC_PPC_TLS
5382 && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA)
5384 || (fix->fx_subsy != NULL
5385 && (S_GET_SEGMENT (fix->fx_subsy)
5386 == S_GET_SEGMENT (fix->fx_addsy)))
5387 || S_IS_LOCAL (fix->fx_addsy)));
5391 /* Apply a fixup to the object code. This is called for all the
5392 fixups we generated by the call to fix_new_exp, above. In the call
5393 above we used a reloc code which was the largest legal reloc code
5394 plus the operand index. Here we undo that to recover the operand
5395 index. At this point all symbol values should be fully resolved,
5396 and we attempt to completely resolve the reloc. If we can not do
5397 that, we determine the correct reloc code and put it back in the
5401 md_apply_fix3 (fixP, valP, seg)
5404 segT seg ATTRIBUTE_UNUSED;
5406 valueT value = * valP;
5409 if (fixP->fx_addsy != NULL)
5411 /* Hack around bfd_install_relocation brain damage. */
5413 value += fixP->fx_frag->fr_address + fixP->fx_where;
5418 /* FIXME FIXME FIXME: The value we are passed in *valP includes
5419 the symbol values. Since we are using BFD_ASSEMBLER, if we are
5420 doing this relocation the code in write.c is going to call
5421 bfd_install_relocation, which is also going to use the symbol
5422 value. That means that if the reloc is fully resolved we want to
5423 use *valP since bfd_install_relocation is not being used.
5424 However, if the reloc is not fully resolved we do not want to use
5425 *valP, and must use fx_offset instead. However, if the reloc
5426 is PC relative, we do want to use *valP since it includes the
5427 result of md_pcrel_from. This is confusing. */
5428 if (fixP->fx_addsy == (symbolS *) NULL)
5431 else if (fixP->fx_pcrel)
5435 value = fixP->fx_offset;
5438 if (fixP->fx_subsy != (symbolS *) NULL)
5440 /* We can't actually support subtracting a symbol. */
5441 as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex"));
5444 if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED)
5447 const struct powerpc_operand *operand;
5451 opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED;
5453 operand = &powerpc_operands[opindex];
5456 /* An instruction like `lwz 9,sym(30)' when `sym' is not a TOC symbol
5457 does not generate a reloc. It uses the offset of `sym' within its
5458 csect. Other usages, such as `.long sym', generate relocs. This
5459 is the documented behaviour of non-TOC symbols. */
5460 if ((operand->flags & PPC_OPERAND_PARENS) != 0
5461 && operand->bits == 16
5462 && operand->shift == 0
5463 && (operand->insert == NULL || ppc_obj64)
5464 && fixP->fx_addsy != NULL
5465 && symbol_get_tc (fixP->fx_addsy)->subseg != 0
5466 && symbol_get_tc (fixP->fx_addsy)->class != XMC_TC
5467 && symbol_get_tc (fixP->fx_addsy)->class != XMC_TC0
5468 && S_GET_SEGMENT (fixP->fx_addsy) != bss_section)
5470 value = fixP->fx_offset;
5475 /* Fetch the instruction, insert the fully resolved operand
5476 value, and stuff the instruction back again. */
5477 where = fixP->fx_frag->fr_literal + fixP->fx_where;
5478 if (target_big_endian)
5479 insn = bfd_getb32 ((unsigned char *) where);
5481 insn = bfd_getl32 ((unsigned char *) where);
5482 insn = ppc_insert_operand (insn, operand, (offsetT) value,
5483 fixP->fx_file, fixP->fx_line);
5484 if (target_big_endian)
5485 bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
5487 bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
5490 /* Nothing else to do here. */
5493 assert (fixP->fx_addsy != NULL);
5495 /* Determine a BFD reloc value based on the operand information.
5496 We are only prepared to turn a few of the operands into
5498 if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
5499 && operand->bits == 26
5500 && operand->shift == 0)
5501 fixP->fx_r_type = BFD_RELOC_PPC_B26;
5502 else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
5503 && operand->bits == 16
5504 && operand->shift == 0)
5506 fixP->fx_r_type = BFD_RELOC_PPC_B16;
5509 if (target_big_endian)
5510 fixP->fx_where += 2;
5513 else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
5514 && operand->bits == 26
5515 && operand->shift == 0)
5516 fixP->fx_r_type = BFD_RELOC_PPC_BA26;
5517 else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
5518 && operand->bits == 16
5519 && operand->shift == 0)
5521 fixP->fx_r_type = BFD_RELOC_PPC_BA16;
5524 if (target_big_endian)
5525 fixP->fx_where += 2;
5528 #if defined (OBJ_XCOFF) || defined (OBJ_ELF)
5529 else if ((operand->flags & PPC_OPERAND_PARENS) != 0
5530 && operand->bits == 16
5531 && operand->shift == 0)
5533 if (ppc_is_toc_sym (fixP->fx_addsy))
5535 fixP->fx_r_type = BFD_RELOC_PPC_TOC16;
5538 && (operand->flags & PPC_OPERAND_DS) != 0)
5539 fixP->fx_r_type = BFD_RELOC_PPC64_TOC16_DS;
5544 fixP->fx_r_type = BFD_RELOC_16;
5547 && (operand->flags & PPC_OPERAND_DS) != 0)
5548 fixP->fx_r_type = BFD_RELOC_PPC64_ADDR16_DS;
5552 if (target_big_endian)
5553 fixP->fx_where += 2;
5555 #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */
5561 /* Use expr_symbol_where to see if this is an expression
5563 if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline))
5564 as_bad_where (fixP->fx_file, fixP->fx_line,
5565 _("unresolved expression that must be resolved"));
5567 as_bad_where (fixP->fx_file, fixP->fx_line,
5568 _("unsupported relocation against %s"),
5569 S_GET_NAME (fixP->fx_addsy));
5577 ppc_elf_validate_fix (fixP, seg);
5579 switch (fixP->fx_r_type)
5581 case BFD_RELOC_CTOR:
5588 fixP->fx_r_type = BFD_RELOC_32_PCREL;
5592 case BFD_RELOC_32_PCREL:
5593 case BFD_RELOC_PPC_EMB_NADDR32:
5594 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5601 fixP->fx_r_type = BFD_RELOC_64_PCREL;
5604 case BFD_RELOC_64_PCREL:
5605 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5609 case BFD_RELOC_LO16:
5611 case BFD_RELOC_GPREL16:
5612 case BFD_RELOC_16_GOT_PCREL:
5613 case BFD_RELOC_16_GOTOFF:
5614 case BFD_RELOC_LO16_GOTOFF:
5615 case BFD_RELOC_HI16_GOTOFF:
5616 case BFD_RELOC_HI16_S_GOTOFF:
5617 case BFD_RELOC_16_BASEREL:
5618 case BFD_RELOC_LO16_BASEREL:
5619 case BFD_RELOC_HI16_BASEREL:
5620 case BFD_RELOC_HI16_S_BASEREL:
5621 case BFD_RELOC_PPC_EMB_NADDR16:
5622 case BFD_RELOC_PPC_EMB_NADDR16_LO:
5623 case BFD_RELOC_PPC_EMB_NADDR16_HI:
5624 case BFD_RELOC_PPC_EMB_NADDR16_HA:
5625 case BFD_RELOC_PPC_EMB_SDAI16:
5626 case BFD_RELOC_PPC_EMB_SDA2REL:
5627 case BFD_RELOC_PPC_EMB_SDA2I16:
5628 case BFD_RELOC_PPC_EMB_RELSEC16:
5629 case BFD_RELOC_PPC_EMB_RELST_LO:
5630 case BFD_RELOC_PPC_EMB_RELST_HI:
5631 case BFD_RELOC_PPC_EMB_RELST_HA:
5632 case BFD_RELOC_PPC_EMB_RELSDA:
5633 case BFD_RELOC_PPC_TOC16:
5635 case BFD_RELOC_PPC64_TOC16_LO:
5636 case BFD_RELOC_PPC64_TOC16_HI:
5637 case BFD_RELOC_PPC64_TOC16_HA:
5641 if (fixP->fx_addsy != NULL)
5642 as_bad_where (fixP->fx_file, fixP->fx_line,
5643 _("cannot emit PC relative %s relocation against %s"),
5644 bfd_get_reloc_code_name (fixP->fx_r_type),
5645 S_GET_NAME (fixP->fx_addsy));
5647 as_bad_where (fixP->fx_file, fixP->fx_line,
5648 _("cannot emit PC relative %s relocation"),
5649 bfd_get_reloc_code_name (fixP->fx_r_type));
5652 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5656 /* This case happens when you write, for example,
5658 where L1 and L2 are defined later. */
5659 case BFD_RELOC_HI16:
5662 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5666 case BFD_RELOC_HI16_S:
5669 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5674 case BFD_RELOC_PPC64_HIGHER:
5677 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5678 PPC_HIGHER (value), 2);
5681 case BFD_RELOC_PPC64_HIGHER_S:
5684 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5685 PPC_HIGHERA (value), 2);
5688 case BFD_RELOC_PPC64_HIGHEST:
5691 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5692 PPC_HIGHEST (value), 2);
5695 case BFD_RELOC_PPC64_HIGHEST_S:
5698 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5699 PPC_HIGHESTA (value), 2);
5702 case BFD_RELOC_PPC64_ADDR16_DS:
5703 case BFD_RELOC_PPC64_ADDR16_LO_DS:
5704 case BFD_RELOC_PPC64_GOT16_DS:
5705 case BFD_RELOC_PPC64_GOT16_LO_DS:
5706 case BFD_RELOC_PPC64_PLT16_LO_DS:
5707 case BFD_RELOC_PPC64_SECTOFF_DS:
5708 case BFD_RELOC_PPC64_SECTOFF_LO_DS:
5709 case BFD_RELOC_PPC64_TOC16_DS:
5710 case BFD_RELOC_PPC64_TOC16_LO_DS:
5711 case BFD_RELOC_PPC64_PLTGOT16_DS:
5712 case BFD_RELOC_PPC64_PLTGOT16_LO_DS:
5716 unsigned char *where = fixP->fx_frag->fr_literal + fixP->fx_where;
5719 if (target_big_endian)
5720 val = bfd_getb32 (where - 2);
5722 val = bfd_getl32 (where);
5724 /* lq insns reserve the four lsbs. */
5725 if ((ppc_cpu & PPC_OPCODE_POWER4) != 0
5726 && (val & (0x3f << 26)) == (56 << 26))
5728 val |= value & mask;
5729 if (target_big_endian)
5730 bfd_putb16 ((bfd_vma) val, where);
5732 bfd_putl16 ((bfd_vma) val, where);
5736 case BFD_RELOC_PPC_TLS:
5737 case BFD_RELOC_PPC_DTPMOD:
5738 case BFD_RELOC_PPC_TPREL16:
5739 case BFD_RELOC_PPC_TPREL16_LO:
5740 case BFD_RELOC_PPC_TPREL16_HI:
5741 case BFD_RELOC_PPC_TPREL16_HA:
5742 case BFD_RELOC_PPC_TPREL:
5743 case BFD_RELOC_PPC_DTPREL16:
5744 case BFD_RELOC_PPC_DTPREL16_LO:
5745 case BFD_RELOC_PPC_DTPREL16_HI:
5746 case BFD_RELOC_PPC_DTPREL16_HA:
5747 case BFD_RELOC_PPC_DTPREL:
5748 case BFD_RELOC_PPC_GOT_TLSGD16:
5749 case BFD_RELOC_PPC_GOT_TLSGD16_LO:
5750 case BFD_RELOC_PPC_GOT_TLSGD16_HI:
5751 case BFD_RELOC_PPC_GOT_TLSGD16_HA:
5752 case BFD_RELOC_PPC_GOT_TLSLD16:
5753 case BFD_RELOC_PPC_GOT_TLSLD16_LO:
5754 case BFD_RELOC_PPC_GOT_TLSLD16_HI:
5755 case BFD_RELOC_PPC_GOT_TLSLD16_HA:
5756 case BFD_RELOC_PPC_GOT_TPREL16:
5757 case BFD_RELOC_PPC_GOT_TPREL16_LO:
5758 case BFD_RELOC_PPC_GOT_TPREL16_HI:
5759 case BFD_RELOC_PPC_GOT_TPREL16_HA:
5760 case BFD_RELOC_PPC_GOT_DTPREL16:
5761 case BFD_RELOC_PPC_GOT_DTPREL16_LO:
5762 case BFD_RELOC_PPC_GOT_DTPREL16_HI:
5763 case BFD_RELOC_PPC_GOT_DTPREL16_HA:
5764 case BFD_RELOC_PPC64_TPREL16_DS:
5765 case BFD_RELOC_PPC64_TPREL16_LO_DS:
5766 case BFD_RELOC_PPC64_TPREL16_HIGHER:
5767 case BFD_RELOC_PPC64_TPREL16_HIGHERA:
5768 case BFD_RELOC_PPC64_TPREL16_HIGHEST:
5769 case BFD_RELOC_PPC64_TPREL16_HIGHESTA:
5770 case BFD_RELOC_PPC64_DTPREL16_DS:
5771 case BFD_RELOC_PPC64_DTPREL16_LO_DS:
5772 case BFD_RELOC_PPC64_DTPREL16_HIGHER:
5773 case BFD_RELOC_PPC64_DTPREL16_HIGHERA:
5774 case BFD_RELOC_PPC64_DTPREL16_HIGHEST:
5775 case BFD_RELOC_PPC64_DTPREL16_HIGHESTA:
5778 /* Because SDA21 modifies the register field, the size is set to 4
5779 bytes, rather than 2, so offset it here appropriately. */
5780 case BFD_RELOC_PPC_EMB_SDA21:
5784 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where
5785 + ((target_big_endian) ? 2 : 0),
5793 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5797 case BFD_RELOC_24_PLT_PCREL:
5798 case BFD_RELOC_PPC_LOCAL24PC:
5799 if (!fixP->fx_pcrel && !fixP->fx_done)
5807 /* Fetch the instruction, insert the fully resolved operand
5808 value, and stuff the instruction back again. */
5809 where = fixP->fx_frag->fr_literal + fixP->fx_where;
5810 if (target_big_endian)
5811 insn = bfd_getb32 ((unsigned char *) where);
5813 insn = bfd_getl32 ((unsigned char *) where);
5814 if ((value & 3) != 0)
5815 as_bad_where (fixP->fx_file, fixP->fx_line,
5816 _("must branch to an address a multiple of 4"));
5817 if ((offsetT) value < -0x40000000
5818 || (offsetT) value >= 0x40000000)
5819 as_bad_where (fixP->fx_file, fixP->fx_line,
5820 _("@local or @plt branch destination is too far away, %ld bytes"),
5822 insn = insn | (value & 0x03fffffc);
5823 if (target_big_endian)
5824 bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
5826 bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
5830 case BFD_RELOC_VTABLE_INHERIT:
5833 && !S_IS_DEFINED (fixP->fx_addsy)
5834 && !S_IS_WEAK (fixP->fx_addsy))
5835 S_SET_WEAK (fixP->fx_addsy);
5838 case BFD_RELOC_VTABLE_ENTRY:
5843 /* Generated by reference to `sym@tocbase'. The sym is
5844 ignored by the linker. */
5845 case BFD_RELOC_PPC64_TOC:
5851 _("Gas failure, reloc value %d\n"), fixP->fx_r_type);
5858 fixP->fx_addnumber = value;
5860 if (fixP->fx_r_type != BFD_RELOC_PPC_TOC16)
5861 fixP->fx_addnumber = 0;
5865 fixP->fx_addnumber = 0;
5867 /* We want to use the offset within the data segment of the
5868 symbol, not the actual VMA of the symbol. */
5869 fixP->fx_addnumber =
5870 - bfd_get_section_vma (stdoutput, S_GET_SEGMENT (fixP->fx_addsy));
5876 /* Generate a reloc for a fixup. */
5879 tc_gen_reloc (seg, fixp)
5880 asection *seg ATTRIBUTE_UNUSED;
5885 reloc = (arelent *) xmalloc (sizeof (arelent));
5887 reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
5888 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
5889 reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
5890 reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
5891 if (reloc->howto == (reloc_howto_type *) NULL)
5893 as_bad_where (fixp->fx_file, fixp->fx_line,
5894 _("reloc %d not supported by object file format"),
5895 (int) fixp->fx_r_type);
5898 reloc->addend = fixp->fx_addnumber;