Jean Marie Diaz [Thu, 4 Aug 1994 16:10:23 +0000 (16:10 +0000)]
* elfcode.h (elf_bfd_final_link): Force the vma of sections which
do not have SEC_ALLOC set to be 0. This is needed to handle
relocs against debugging sections.
* i386linux.c (linux_add_one_symbol): Only handle
SHARABLE_CONFLICTS specially if BSF_CONSTRUCTOR is set. Set hashp
for a GOT or PLT symbol. Set jump field of fixup for a PLT symbol.
(linux_tally_symbols): Check section of real symbol. When looking
for a builtin fixup, check builtin and jump flags. Create no more
than one fixup, and always create one if the real symbol is in the
absolute section. Only strip absolute symbols.
* emultempl/linux.em (gld${EMULATION_NAME}_find_address_statement):
New function; add 0x20 to any use of -Ttext.
(gld${EMULATION_NAME}_create_output_section_statements): New
function.
(ld_${EMULATION_NAME}_emulation): Use the new function
gld${EMULATION_NAME}_create_output_section_statements.
Jean Marie Diaz [Tue, 2 Aug 1994 14:48:21 +0000 (14:48 +0000)]
* libbfd-in.h: Move declarations of bfd_read, bfd_write, bfd_seek,
bfd_tell, bfd_flush, and bfd_stat from here...
* bfd-in.h: ...to here, to make them visible to programs which
know more about the object file format than BFD does.
* libbfd.h, bfd-in2.h: Rebuilt.
Stan Shebs [Tue, 2 Aug 1994 02:02:39 +0000 (02:02 +0000)]
* defs.h: Change two-line declarations to one-line form.
(NORETURN): Define as "volatile" only for older GCCs.
(ATTR_NORETURN): Define for newer GCCs.
* procfs.c (proc_init_filed): Add ATTR_NORETURN to declaration.
Jean Marie Diaz [Tue, 2 Aug 1994 00:44:24 +0000 (00:44 +0000)]
* breakpoint.c (mention), main.c (fputs_unfiltered): Add comments.
* breakpoint.c (delete_breakpoint, enable_breakpoint,
disable_breakpoint): Don't call breakpoints_changed; it is now
called via the *_breakpoint_hook functions.
* annotate.c (_initialize_annotate, breakpoint_changed): New functions.
Jean Marie Diaz [Mon, 1 Aug 1994 23:11:18 +0000 (23:11 +0000)]
ELF linker patches from Eric Youngdale <[email protected]>.
* elfcode.h (elf_link_create_dynamic_sections): Set type of
_DYNAMIC to STT_OBJECT.
(NAME(bfd_elf,record_link_assignment)): Always create hash table
entry. Set type to STT_OBJECT.
(elf_link_output_extsym): Don't set type of weak defined symbol to
STB_WEAK if symbol was referenced.
* elf32-i386.c (elf_i386_create_dynamic_sections): Set type of
_GLOBAL_OFFSET_TABLE to STT_OBJECT.
(elf_i386_check_relocs): Ignore local PLT32 relocs.
(elf_i386_relocate_section): Treat local PLT32 relocs as PC32.
Jeff Law [Mon, 1 Aug 1994 07:49:59 +0000 (07:49 +0000)]
* hppa-tdep.c (saved_pc_after_call): If the saved PC is in a
linker stub, then return the address the stub will return to.
(frame_saved_pc): Correctly restart the search for the saved
pc when a linker stub is encountered.
* hppa-tdep.c (inst_saves_gr): Handle 16 and 8 bit instruction
register stores emitted by the version 9 HP compilers.
(inst_saves_fr): Relax test for a specific base register (%r1);
this avoids losing with the version 9 HP compilers.
(skip_prologue): Try to skip argument stores emitted by the HP
compilers. It's not perfect, but it's better than before.
Fred Fish [Fri, 29 Jul 1994 21:04:27 +0000 (21:04 +0000)]
From Kevin A. Buettner ([email protected]).
* Makefile.in (coredep.o): Add inferior.h as dependency.
* inflow.c: Add F_SETOWN to list of defines to check
around code that uses F_SETOWN.
Ken Raeburn [Thu, 28 Jul 1994 23:36:16 +0000 (23:36 +0000)]
* tc-sparc.c (sparc_ip): Check more carefully for conflicting architectures.
(md_parse_option) [NO_V9]: Complain if v9 was selected.
(md_show_usage): Derive architecture list in usage message from
architecture_pname array.
(cypress): Macro deleted.
(op_hash): Don't initialize.
(s_common): Use bfd_und_section_ptr instead of bfd_und_section.
(BSR): New function.
(sparc_ip): Use it for right-shift operations of 32 bits or more.
(sparc_ip): Implement new operand type 'x'.
Stu Grossman [Thu, 28 Jul 1994 22:07:02 +0000 (22:07 +0000)]
* Makefile.in (INSTALLED_LIBS, CLIBS, DEPFILES): Add support for
--enable-xxx configure option by adding ENABLE_{CLIBS DEPFILES}
where appropriate.
* General hackery to support alternate user-interface.
* breakpoint.c (mention, delete_breakpoint, enable_breakpoint,
disable_breakpoint): Call hooks for alternate user-interface.
* defs.h: Add declarations for alternate user-interface hooks.
* main.c (main): Add --nw (and --nowindows) options to disable
the GUI.
* (near call to command_loop): Call command_loop_hook if set.
* (fputs_unfiltered): Call fputs_unfiltered_hook if set.
* stack.c: Call print_frame_info_listing_hook if set.
* top.c (gdb_init): Initialize targets.c and utils.c prior to
other files to make sure that calls to error and warning will
work. Call init_ui_hook after everything else.
* utils.c (query): Call query_hook if set.
* (gdb_flush): Call flush_hook if set.
* Change _initialize_utils to initialize_utils cuz we don't use
automatic initialization of utils.c anymore.
* Support for TK GUI.
* Makefile.in: Add rule for gdbtk.o.
* configure.in: Add support for --enable-gdbtk.
* gdbtk.c: New file. Contains support routines for TK interface.
* gdbtk.tcl: New file. Implements GUI policy.
* remote.c: Get rid of #ifdef DONT_USE_REMOTE. It's no longer
necessary.
* Makefile.in (CC_FOR_TARGET, CXX_FOR_TARGET): Use newlib if it is
there and we are using the gcc from the tree.
(LD_FOR_TARGET): Look for ld in ../ld/ld.new.
* i386-nlmstub.c: The returnLength field must be initialized
before portConfig is passed to AIOGetPortConfiguration.
Compare command line arguments with strnicmp(); args are
case insensitive on netware.
Fred Fish [Wed, 27 Jul 1994 16:32:01 +0000 (16:32 +0000)]
* Makefile.in (DISTSTUFF): Add definition.
(diststuff): Add for new distribution support.
(gdb.tar.Z, make-proto-gdb.dir, setup-to-dist,
gdb-$(VERSION).tar.Z, make-proto-gdb-1, make-proto-testsuite.dir):
Remove old distribution building rules, now uses standard
distribution support in parent directory Makefile.in.
Fred Fish [Wed, 27 Jul 1994 16:18:17 +0000 (16:18 +0000)]
* Makefile.in (GDB_SUPPORT_FILES): Remove
(setup-dirs-gdb, gdb.tar.gz, make-gdb.tar.gz): Remove old rules.
(gdb.tar.gz): Add new rule to use standard distribution building
mechanism.
(Also, changed taz rule to abort building of unsanitary
distributions - not recorded in ChangeLog)
Ken Raeburn [Wed, 27 Jul 1994 00:58:19 +0000 (00:58 +0000)]
I80960XL support (sanitized), misc cleanup:
* config/tc-i960.h (TC_COFF_SET_MACHINE): New macro. Calls tc_headers_hook.
* config/tc-i960.c (targ_has_iclass): Use I_CX | I_CX2 where I_CX was used
previously.
(tc_headers_hook): If I_CX2 is found, set flags to F_I960CA.
* config/tc-i960.c (po_hash): Declaration deleted.
(next_object_file_charP): Ditto.
(regnames, aregs, coj): Now const.
(parse_memop): Static array def_scale now const.
(md_begin): Cast away const when passing hash routines addresses of values in
regnames or aregs.
(md_longopts): Added "link-relax" and "no-relax" hyphenated forms. Continue to
accept one-word forms.
(struct tabentry, arch_tab): Moved to top level from inside md_parse_option.
Now const.
(md_show_usage): Use arch_tab to generate usage message. Print hyphenated
forms of relax options.
* config/tc-i960.h (DEFINE_I960_AOUT, TC_S_IS_*, TC_S_*_SYSPROC,
TC_S_FORCE_TO_*): Moved from here...
* config/tc-i960.c: ... to here. Changed DEFINE_I960_AOUT stuff to test
OBJ_AOUT and OBJ_BOUT directly.
* config/tc-i960.c (ARCH_XL): Define.
(arch_tab): Include XL.
(targ_has_sfr, targ_has_iclass): Handle XL.
(tc_headers_hook): Set flags to F_I960XL for i960XL.
Ken Raeburn [Wed, 27 Jul 1994 00:37:46 +0000 (00:37 +0000)]
Some bits of COFF cleanup, and i960-coff support:
* config/obj-coff.h: Moved common includes and TARGET_FORMAT definitions
together.
(WORKING_DOT_WORD, WARN_SIGNED_OVERFLOW_WORD, OBJ_COFF_OMIT_OPTIONAL_HEADER,
BFD_HEADERS, BFD) [!BFD_ASSEMBLER]: Moved these definitions to the start of the
file, before the includes.
(SYMBOLS_NEED_BACKPOINTERS, OBJ_COFF_MAX_AUXENTRIES): Always define these.
(S_GET_ZEROES): Deleted.
(S_SET_ZEROES): Moved to obj-coff.c.
* config/obj-coff.c (obj_coff_* psuedo-op fns): Deleted forward declarations.
(obj_pseudo_table): Moved to one version end of file, conditionalized
internally.
(stack typedef, stack_init, stack_delete, stack_push, stack_pop, tag_hash,
tag_init, tag_insert, tag_find, tag_find_or_make): Moved to one combined
version at top of file, unconditional. Deleted forward declarations.
(s_get_name): Moved one copy of declarations to start of file.
(def_symbol_in_progress): Ditto. Don't initialize.
(S_SET_ZEROES): Moved here from obj-coff.h.
(write_object_file): If TC_COFF_SET_MACHINE is defined, call it on the file
headers.
* config/obj-coff.c (seg_info_off_by_4): Now const and static.
(SEG_INFO_FROM_SEG_NUMBER): Unused macro deleted.
(previous_file_symbol, def_symbol_in_progress, symbol_externP,
symbol_extern_lastP, last_functionP) [!BFD_ASSEMBLER]: Don't bother explicitly
initializing to zero value.
* config/obj-coff.c (fixup_segment) [TC_I960]: Use SF_GET_BALNAME and
SF_GET_CALLNAME instead of the TC_S_IS_ versions.
Ian Lance Taylor [Tue, 26 Jul 1994 17:18:37 +0000 (17:18 +0000)]
Add support for creating shared libraries under i386 ELF and SPARC
ELF. Based on patches by Eric Youngdale <[email protected]>.
* libelf.h (struct elf_link_hash_entry): Remove copy_offset field.
Add got_offset and plt_offset fields.
(ELF_LINK_HASH_REF_DYNAMIC_MULTIPLE): Don't define.
(ELF_LINK_HASH_DEF_DYNAMIC_MULTIPLE): Don't define.
(ELF_LINK_HASH_NEEDS_COPY): Define.
(struct elf_backend_data): Add check_relocs field.
(struct bfd_elf_section_data): Change relocs from PTR to
Elf_Internal_Rela *.
(struct elf_obj_tdata): Add local_got_offsets field.
(elf_local_got_offsets): Define accessor macro.
(bfd_elf32_link_create_dynamic_sections): Declare.
(bfd_elf32_link_record_dynamic_symbol): Declare.
(bfd_elf64_link_create_dynamic_sections): Declare.
(bfd_elf64_link_record_dynamic_symbol): Declare.
* elfcode.h (elf_slurp_reloc_table): Don't use the section data
relocs field.
(elf_link_record_dynamic_symbol): Make globally visible. Use
macro to rename to NAME(bfd_elf,link_record_dynamic_symbol).
(elf_link_add_object_symbols): If creating a shared library, put
make all local symbols dynamic. Don't bother with the
DYNAMIC_MULTIPLE flags. Call the check_relocs backend function if
it is defined.
(elf_link_create_dynamic_sections): Make globally visible. Use
macro to rename to NAME(bfd_elf,link_create_dynamic_sections). If
creating a shared library, make sure that _DYNAMIC is added as a
dynamic symbol.
(elf_link_read_relocs): New function.
(NAME(bfd_elf,record_link_assignment)): If creating a shared
library, always create symbols, and always make them dynamic.
(elf_bfd_final_link): Permit creation of shared libraries.
(elf_link_input_bfd): Use elf_link_read_relocs to get the relocs.
* elf.c (_bfd_elf_link_hash_newfunc): Don't initialize
copy_offset. Initialize got_offset and plt_offset.
* elf32-target.h (elf_backend_check_relocs): Define as 0 if not
defined.
(elf32_bed): Initialize check_relocs field.
* elf64-target.h (elf_backend_check_relocs): Define as 0 if not
defined.
(elf64_bed): Initialize check_relocs field.
* elf32-i386.c (elf_howto_table): Change R_386_PLT32 and
R_386_GOTPC to be pc_relative and pcrel_offset.
(elf_i386_pic_plt0_entry): Define.
(elf_i386_pic_plt_entry): Define.
(elf_i386_create_dynamic_sections): Create a .got.plt section, and
define _GLOBAL_OFFSET_TABLE_ at the start of it. If creating a
shared library, make sure that _GLOBAL_OFFSET_TABLE_ is added as a
dynamic symbol. Don't create .rel.bss if creating a shared
library.
(elf_i386_check_relocs): New function.
(elf_i386_adjust_dynamic_symbol): Don't make a PLT entry if the
symbol already has one. When making a PLT entry, set plt_offset.
Don't create a copy reloc when creating a shared library. Don't
set copy_offset, just set ELF_LINK_HASH_NEEDS_COPY.
(elf_i386_allocate_dynamic_section): Remove.
(elf_i386_size_dynamic_sections): Look through all the sections
rather than assuming we know their names. Remove any empty reloc
or plt sections. Only add a DT_DEBUG entry if not creating a
shared library. Only add a DT_PLTGOT entry if there is a PLT.
Add a DT_TEXTREL entry if required.
(elf_i386_relocate_section): Permit undefined symbols when
creating a shared library. Handle the special relocation types
specially.
(elf_i386_finish_dynamic_symbol): Create a PLT entry if plt_offset
is set. If creating a shared library, produce a PIC PLT entry.
Only mark a PLT symbol as undefined if it was not defined by a
regular object file. Create a GOT entry if got_offset is set.
Create a copy reloc if ELF_LINK_HASH_NEEDS_COPY is set.
(elf_i386_finish_dynamic_sections): Change the handling of
DT_RELSZ to simply subtract out the size of .rel.plt. If creating
a shared library, produce PIC PLT code.
(elf_backend_check_relocs): Define.
* elf32-sparc.c (elf_sparc_howto_table): Change R_SPARC_GOT10,
R_SPARC_GOT22, and R_SPARC_PC10 to not warn about reloc overflow.
(elf32_sparc_create_dynamic_sections): If creating a shared
library, make sure that _GLOBAL_OFFSET_TABLE_ is added as a
dynamic symbol, and set the type to STT_OBJECT. Likewise for
_PROCEDURE_LINKAGE_TABLE_. Don't create .rel.bss if creating a
shared library.
(elf32_sparc_check_relocs): New function.
(elf32_sparc_adjust_dynamic_symbol): Don't make a PLT entry if the
symbol already has one. When making a PLT entry, set plt_offset.
Don't create a copy reloc when creating a shared library. Don't
set copy_offset, just set ELF_LINK_HASH_NEEDS_COPY.
(elf32_sparc_allocate_dynamic_section): Remove.
(elf32_sparc_size_dynamic_sections): Look through all the sections
rather than assuming we know their names. Only add a DT_DEBUG
entry if not creating a shared library. Add a DT_TEXTREL entry if
required.
(elf32_sparc_relocate_section): Permit undefined symbols when
creating a shared library. Handle the special relocation types
specially.
(elf32_sparc_finish_dynamic_symbol): Create a PLT entry if plt_offset
is set. Only mark a PLT symbol as undefined if it was not defined
by a regular object file. Create a GOT entry if got_offset is
set. Create a copy reloc if ELF_LINK_HASH_NEEDS_COPY is set.
(elf32_sparc_finish_dynamic_sections): Store dynobj in a local
variable.
(elf_backend_check_relocs): Define.
* gdb.base/opaque.exp: use runto instead of messing around with
breakpoints.
* gdb.base/bitfields.exp: restart between tests on netware targets
because breakpoints aren't relocated after target death. Run
processes to completion.
* gdb.base/{opaque,watchpoint}.exp: Use gdb_run_cmd.
Fred Fish [Sun, 24 Jul 1994 16:56:45 +0000 (16:56 +0000)]
* Makefile.in: Remove extra tabs that confuse some versions
of "make". Use the newly built gdb to test with by default,
rather than the first one in the tester's search path.
Stu Grossman [Sat, 23 Jul 1994 00:53:28 +0000 (00:53 +0000)]
* Makefile.in: Add stuff to build nlmstub.
* Add rule for annotate.o to keep Sun make happy.
* configure.in: Add config for powerpc/Netware.
* partial-stab.h (near N_SO): Don't call START_PSYMTAB with null
filename. This speeds up handling of trailing N_SO stabs (they
mark the end of a .o file).
* target.c, target.h: Change the way pushing and popping of
targets work to support target overlays and inheritance.
* corelow.c, hppa-tdep.c, inflow.c, remote-nindy.c, utils.c:
Fixup references to current_target, due to previous changes.
* config/i386/tm-i386nw.h: Enable longjmp support. More work is
needed to get the address of longjmp out of the target.
Ken Raeburn [Fri, 22 Jul 1994 20:56:31 +0000 (20:56 +0000)]
* nm.c (numeric_forward): Treat undefined symbols as "less than" defined
symbols with zero values. If numeric values are equal, or both symbols are
undefined, sort alphabetically. Don't assume that the difference of two
bfd_vma values will truncate to "int" and still have the same sign.
(numeric_reverse): Call numeric_forward and negate the result.
(print_symbol_info_bsd): For undefined symbols, print leading spaces equivalent
to the width of a printed bfd_vma, rather than assuming that 8 will look right.
Ian Lance Taylor [Fri, 22 Jul 1994 20:55:45 +0000 (20:55 +0000)]
* scripttempl/elf.sc: Use PROVIDE to define etext, edata, and end.
Add a new script operator, PROVIDE, to define a symbol only if it
is needed.
* ldgram.y (PROVIDE): New token.
(assignment): Accept PROVIDE.
* ldlex.l (PROVIDE): New token.
* ldexp.h (node_type): Add etree_provide to node_class enum.
(exp_provide): Declare.
* ldexp.c (exp_fold_tree): Handle etree_provide.
(exp_provide): New function.
(exp_print_tree): Handle etree_provide.
* ld.texinfo: Document PROVIDE.
Ian Lance Taylor [Fri, 22 Jul 1994 18:53:23 +0000 (18:53 +0000)]
* aoutx.h (aout_link_check_ar_symbols): When changing a symbol to
common, set the alignment.
(aout_link_add_symbols): Restrict the alignment of a common symbol
to the alignment power given by the architecture.
* elf.c (_bfd_elf_link_hash_newfunc): Don't initialize align. Do
initialize copy_offset.
* elf32-i386.c (elf_i386_adjust_dynamic_symbol): Use copy_offset
field rather than align field. Get alignment using bfd_log2
rather than switch.
* elf32-sparc.c (elf32_sparc_adjust_dynamic_symbol): Likewise.
* elf32-i386.c (elf_i386_finish_dynamic_symbol): Use copy_offset,
not align.
* elf32-sparc.c (elf32_sparc_finish_dynamic_symbol): Likewise.
Ian Lance Taylor [Fri, 22 Jul 1994 18:46:28 +0000 (18:46 +0000)]
* ldlang.c (lang_common): Pass desired alignment to
lang_one_common as power of two.
(lang_one_common): Get common symbol alignment from linker hash
table entry. Treat desired alignment as a power of two.