int localcmd(int argc, char **argv) { char *name; if (! in_function()) error("Not in a function"); while ((name = *argptr++) != NULL) { mklocal(name, 0); } return 0; }
int localcmd(shinstance *psh, int argc, char **argv) { char *name; if (! in_function(psh)) error(psh, "Not in a function"); while ((name = *psh->argptr++) != NULL) { mklocal(psh, name, 0); } return 0; }
static void obj_coff_endef (int ignore ATTRIBUTE_UNUSED) { symbolS *symbolP = NULL; dim_index = 0; if (def_symbol_in_progress == NULL) { as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored.")); demand_empty_rest_of_line (); return; } /* Set the section number according to storage class. */ switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) { case C_STRTAG: case C_ENTAG: case C_UNTAG: SF_SET_TAG (def_symbol_in_progress); /* Fall through. */ case C_FILE: case C_TPDEF: SF_SET_DEBUG (def_symbol_in_progress); S_SET_SEGMENT (def_symbol_in_progress, fetch_coff_debug_section ()); break; case C_EFCN: SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */ /* Fall through. */ case C_BLOCK: SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing. */ /* Fall through. */ case C_FCN: { const char *name; S_SET_SEGMENT (def_symbol_in_progress, text_section); name = S_GET_NAME (def_symbol_in_progress); if (name[0] == '.' && name[2] == 'f' && name[3] == '\0') { switch (name[1]) { case 'b': /* .bf */ if (! in_function ()) as_warn (_("`%s' symbol without preceding function"), name); /* Will need relocating. */ SF_SET_PROCESS (def_symbol_in_progress); clear_function (); break; #ifdef TE_PE case 'e': /* .ef */ /* The MS compilers output the actual endline, not the function-relative one... we want to match without changing the assembler input. */ SA_SET_SYM_LNNO (def_symbol_in_progress, (SA_GET_SYM_LNNO (def_symbol_in_progress) + coff_line_base)); break; #endif } } } break; #ifdef C_AUTOARG case C_AUTOARG: #endif /* C_AUTOARG */ case C_AUTO: case C_REG: case C_ARG: case C_REGPARM: case C_FIELD: /* According to the COFF documentation: http://osr5doc.sco.com:1996/topics/COFF_SectNumFld.html A special section number (-2) marks symbolic debugging symbols, including structure/union/enumeration tag names, typedefs, and the name of the file. A section number of -1 indicates that the symbol has a value but is not relocatable. Examples of absolute-valued symbols include automatic and register variables, function arguments, and .eos symbols. But from Ian Lance Taylor: http://sources.redhat.com/ml/binutils/2000-08/msg00202.html the actual tools all marked them as section -1. So the GNU COFF assembler follows historical COFF assemblers. However, it causes problems for djgpp http://sources.redhat.com/ml/binutils/2000-08/msg00210.html By defining STRICTCOFF, a COFF port can make the assembler to follow the documented behavior. */ #ifdef STRICTCOFF case C_MOS: case C_MOE: case C_MOU: case C_EOS: #endif SF_SET_DEBUG (def_symbol_in_progress); S_SET_SEGMENT (def_symbol_in_progress, absolute_section); break; #ifndef STRICTCOFF case C_MOS: case C_MOE: case C_MOU: case C_EOS: S_SET_SEGMENT (def_symbol_in_progress, absolute_section); break; #endif case C_EXT: case C_WEAKEXT: #ifdef TE_PE case C_NT_WEAK: #endif case C_STAT: case C_LABEL: /* Valid but set somewhere else (s_comm, s_lcomm, colon). */ break; default: case C_USTATIC: case C_EXTDEF: case C_ULABEL: as_warn (_("unexpected storage class %d"), S_GET_STORAGE_CLASS (def_symbol_in_progress)); break; } /* Now that we have built a debug symbol, try to find if we should merge with an existing symbol or not. If a symbol is C_EFCN or absolute_section or untagged SEG_DEBUG it never merges. We also don't merge labels, which are in a different namespace, nor symbols which have not yet been defined since they are typically unique, nor do we merge tags with non-tags. */ /* Two cases for functions. Either debug followed by definition or definition followed by debug. For definition first, we will merge the debug symbol into the definition. For debug first, the lineno entry MUST point to the definition function or else it will point off into space when obj_crawl_symbol_chain() merges the debug symbol into the real symbol. Therefor, let's presume the debug symbol is a real function reference. */ /* FIXME-SOON If for some reason the definition label/symbol is never seen, this will probably leave an undefined symbol at link time. */ if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL || (streq (bfd_get_section_name (stdoutput, S_GET_SEGMENT (def_symbol_in_progress)), "*DEBUG*") && !SF_GET_TAG (def_symbol_in_progress)) || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section || ! symbol_constant_p (def_symbol_in_progress) || (symbolP = symbol_find (S_GET_NAME (def_symbol_in_progress))) == NULL || SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP)) { /* If it already is at the end of the symbol list, do nothing */ if (def_symbol_in_progress != symbol_lastP) { symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP); } } else { /* This symbol already exists, merge the newly created symbol into the old one. This is not mandatory. The linker can handle duplicate symbols correctly. But I guess that it save a *lot* of space if the assembly file defines a lot of symbols. [loic] */ /* The debug entry (def_symbol_in_progress) is merged into the previous definition. */ c_symbol_merge (def_symbol_in_progress, symbolP); symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); def_symbol_in_progress = symbolP; if (SF_GET_FUNCTION (def_symbol_in_progress) || SF_GET_TAG (def_symbol_in_progress) || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT) { /* For functions, and tags, and static symbols, the symbol *must* be where the debug symbol appears. Move the existing symbol to the current place. */ /* If it already is at the end of the symbol list, do nothing. */ if (def_symbol_in_progress != symbol_lastP) { symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP); } } } if (SF_GET_TAG (def_symbol_in_progress)) { symbolS *oldtag; oldtag = symbol_find (S_GET_NAME (def_symbol_in_progress)); if (oldtag == NULL || ! SF_GET_TAG (oldtag)) tag_insert (S_GET_NAME (def_symbol_in_progress), def_symbol_in_progress); } if (SF_GET_FUNCTION (def_symbol_in_progress)) { know (sizeof (def_symbol_in_progress) <= sizeof (long)); set_function (def_symbol_in_progress); SF_SET_PROCESS (def_symbol_in_progress); if (symbolP == NULL) /* That is, if this is the first time we've seen the function. */ symbol_table_insert (def_symbol_in_progress); } def_symbol_in_progress = NULL; demand_empty_rest_of_line (); }