+ {
+ int deftype;
+ char *colon_pos = strchr (name, ':');
+ if (colon_pos == NULL)
+ deftype = '\0';
+ else
+ deftype = colon_pos[1];
+
+ switch (deftype)
+ {
+ case 'f':
+ case 'F':
+ function_stab_type = type;
+
+#ifdef SOFUN_ADDRESS_MAYBE_MISSING
+ /* Deal with the SunPRO 3.0 compiler which omits the address
+ from N_FUN symbols. */
+ if (type == N_FUN
+ && valu == ANOFFSET (section_offsets, SECT_OFF_TEXT))
+ {
+ struct minimal_symbol *msym;
+ char *p;
+ int n;
+
+ p = strchr (name, ':');
+ if (p == NULL)
+ p = name;
+ n = p - name;
+ p = alloca (n + 1);
+ strncpy (p, name, n);
+ p[n] = 0;
+
+ msym = lookup_minimal_symbol (p, last_source_file,
+ objfile);
+ if (msym)
+ valu = SYMBOL_VALUE_ADDRESS (msym);
+ }
+#endif
+
+#ifdef SUN_FIXED_LBRAC_BUG
+ /* The Sun acc compiler, under SunOS4, puts out
+ functions with N_GSYM or N_STSYM. The problem is
+ that the address of the symbol is no good (for N_GSYM
+ it doesn't even attept an address; for N_STSYM it
+ puts out an address but then it gets relocated
+ relative to the data segment, not the text segment).
+ Currently we can't fix this up later as we do for
+ some types of symbol in scan_file_globals.
+ Fortunately we do have a way of finding the address -
+ we know that the value in last_pc_address is either
+ the one we want (if we're dealing with the first
+ function in an object file), or somewhere in the
+ previous function. This means that we can use the
+ minimal symbol table to get the address. */
+
+ /* Starting with release 3.0, the Sun acc compiler,
+ under SunOS4, puts out functions with N_FUN and a value
+ of zero. This gets relocated to the start of the text
+ segment of the module, which is no good either.
+ Under SunOS4 we can deal with this as N_SLINE and N_SO
+ entries contain valid absolute addresses.
+ Release 3.0 acc also puts out N_OPT entries, which makes
+ it possible to discern acc from cc or gcc. */
+
+ if (type == N_GSYM || type == N_STSYM
+ || (type == N_FUN
+ && n_opt_found && !block_address_function_relative))
+ {
+ struct minimal_symbol *m;
+ int l = colon_pos - name;
+
+ m = lookup_minimal_symbol_by_pc (last_pc_address);
+ if (m && STREQN (SYMBOL_NAME (m), name, l)
+ && SYMBOL_NAME (m) [l] == '\0')
+ /* last_pc_address was in this function */
+ valu = SYMBOL_VALUE (m);
+ else if (m && SYMBOL_NAME (m+1)
+ && STREQN (SYMBOL_NAME (m+1), name, l)
+ && SYMBOL_NAME (m+1) [l] == '\0')
+ /* last_pc_address was in last function */
+ valu = SYMBOL_VALUE (m+1);
+ else
+ /* Not found - use last_pc_address (for finish_block) */
+ valu = last_pc_address;
+ }
+
+ last_pc_address = valu; /* Save for SunOS bug circumcision */
+#endif
+
+ if (block_address_function_relative)
+ /* For Solaris 2.0 compilers, the block addresses and
+ N_SLINE's are relative to the start of the
+ function. On normal systems, and when using gcc on
+ Solaris 2.0, these addresses are just absolute, or
+ relative to the N_SO, depending on
+ BLOCK_ADDRESS_ABSOLUTE. */
+ function_start_offset = valu;
+
+ within_function = 1;
+ if (context_stack_depth > 0)
+ {
+ new = pop_context ();
+ /* Make a block for the local symbols within. */
+ finish_block (new->name, &local_symbols, new->old_blocks,
+ new->start_addr, valu, objfile);
+ }
+ /* Stack must be empty now. */
+ if (context_stack_depth != 0)
+ complain (&lbrac_unmatched_complaint, symnum);
+
+ new = push_context (0, valu);
+ new->name = define_symbol (valu, name, desc, type, objfile);
+ break;
+
+ default:
+ define_symbol (valu, name, desc, type, objfile);
+ break;
+ }
+ }
projects / binutils.git / blobdiff