From b5d4d6d7f8324068d711f705c605402e0ce513ac Mon Sep 17 00:00:00 2001 From: Jim Kingdon Date: Thu, 15 Jul 1993 07:25:58 +0000 Subject: [PATCH] * mipsread.c (parse_procedure): Take as argument the symtab to look the name up in. Look it up with mylookup_symbol, not lookup_symbol. (psymtab_to_symtab_1): For stabs, pass the symtab to parse_procedure. --- gdb/ChangeLog | 6 +-- gdb/mipsread.c | 121 +++++++++++++++++++++++++++++---------------------------- 2 files changed, 64 insertions(+), 63 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 91ed0b3..c54436f 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,8 +1,8 @@ Wed Jul 14 17:37:03 1993 Jim Kingdon (kingdon@lioth.cygnus.com) - * mipsread.c (psymtab_to_symtab_1, parse_procedure): For stabs, - save the indices of the MIPS_EFI_SYMBOL_NAME symbol rather than - looking them up by the names of the functions. + * mipsread.c (parse_procedure): Take as argument the symtab to look + the name up in. Look it up with mylookup_symbol, not lookup_symbol. + (psymtab_to_symtab_1): For stabs, pass the symtab to parse_procedure. * mipsread.c (mylookup_symbol): Use strcmp, not STREQ, as we have already checked the first characters. diff --git a/gdb/mipsread.c b/gdb/mipsread.c index d076699..3a7a807 100644 --- a/gdb/mipsread.c +++ b/gdb/mipsread.c @@ -1518,20 +1518,19 @@ upgrade_type (tpp, tq, ax, bigend) images that have been partially stripped (ld -x) have been deprived of local symbols, and we have to cope with them here. FIRST_OFF is the offset of the first procedure for this FDR; we adjust the - address by this amount, but I don't know why. + address by this amount, but I don't know why. SEARCH_SYMTAB is the symtab + to look for the function which contains the MIPS_EFI_SYMBOL_NAME symbol + in question, or NULL to use top_stack->cur_block. */ - EFI_SYMBOL is the MIPS_EFI_SYMBOL_NAME symbol to use, or NULL which - means to look up the name using the block in top_stack. */ - -static void parse_procedure PARAMS ((PDR *, struct symbol *, unsigned long)); +static void parse_procedure PARAMS ((PDR *, struct symtab *, unsigned long)); static void -parse_procedure (pr, efi_symbol, first_off) +parse_procedure (pr, search_symtab, first_off) PDR *pr; - struct symbol *efi_symbol; + struct symtab *search_symtab; unsigned long first_off; { - struct symbol *s; + struct symbol *s, *i; struct block *b; struct mips_extra_func_info *e; char *sh_name; @@ -1569,50 +1568,66 @@ parse_procedure (pr, efi_symbol, first_off) sh_name = ecoff_data (cur_bfd)->ss + cur_fdr->issBase + sh.iss; } - if (efi_symbol == NULL) + if (search_symtab != NULL) { - /* OK, first find the function. */ - - s = mylookup_symbol (sh_name, top_stack->cur_block, - VAR_NAMESPACE, LOC_BLOCK); +#if 0 + /* This loses both in the case mentioned (want a static, find a global), + but also if we are looking up a non-mangled name which happens to + match the name of a mangled function. */ + /* We have to save the cur_fdr across the call to lookup_symbol. + If the pdr is for a static function and if a global function with + the same name exists, lookup_symbol will eventually read in the symtab + for the global function and clobber cur_fdr. */ + FDR *save_cur_fdr = cur_fdr; + s = lookup_symbol (sh_name, NULL, VAR_NAMESPACE, 0, NULL); + cur_fdr = save_cur_fdr; +#else + s = mylookup_symbol + (sh_name, + BLOCKVECTOR_BLOCK (BLOCKVECTOR (search_symtab), STATIC_BLOCK), + VAR_NAMESPACE, + LOC_BLOCK); +#endif + } + else + s = mylookup_symbol (sh_name, top_stack->cur_block, + VAR_NAMESPACE, LOC_BLOCK); - if (s != 0) - { - b = SYMBOL_BLOCK_VALUE (s); - } - else - { - complain (&pdr_for_nonsymbol_complaint, sh_name); + if (s != 0) + { + b = SYMBOL_BLOCK_VALUE (s); + } + else + { + complain (&pdr_for_nonsymbol_complaint, sh_name); #if 1 - return; + return; #else /* FIXME -- delete. We can't do symbol allocation now; it's all done. */ - s = new_symbol (sh_name); - SYMBOL_NAMESPACE (s) = VAR_NAMESPACE; - SYMBOL_CLASS (s) = LOC_BLOCK; - /* Donno its type, hope int is ok */ - SYMBOL_TYPE (s) = lookup_function_type (builtin_type_int); - add_symbol (s, top_stack->cur_block); - /* Wont have symbols for this one */ - b = new_block (2); - SYMBOL_BLOCK_VALUE (s) = b; - BLOCK_FUNCTION (b) = s; - BLOCK_START (b) = pr->adr; - /* BOUND used to be the end of procedure's text, but the - argument is no longer passed in. */ - BLOCK_END (b) = bound; - BLOCK_SUPERBLOCK (b) = top_stack->cur_block; - add_block (b, top_stack->cur_st); + s = new_symbol (sh_name); + SYMBOL_NAMESPACE (s) = VAR_NAMESPACE; + SYMBOL_CLASS (s) = LOC_BLOCK; + /* Donno its type, hope int is ok */ + SYMBOL_TYPE (s) = lookup_function_type (builtin_type_int); + add_symbol (s, top_stack->cur_block); + /* Wont have symbols for this one */ + b = new_block (2); + SYMBOL_BLOCK_VALUE (s) = b; + BLOCK_FUNCTION (b) = s; + BLOCK_START (b) = pr->adr; + /* BOUND used to be the end of procedure's text, but the + argument is no longer passed in. */ + BLOCK_END (b) = bound; + BLOCK_SUPERBLOCK (b) = top_stack->cur_block; + add_block (b, top_stack->cur_st); #endif - } - - efi_symbol = mylookup_symbol - (MIPS_EFI_SYMBOL_NAME, b, LABEL_NAMESPACE, LOC_CONST); } - if (efi_symbol) + i = mylookup_symbol (MIPS_EFI_SYMBOL_NAME, b, LABEL_NAMESPACE, LOC_CONST); + + if (i) { - e = (struct mips_extra_func_info *) SYMBOL_VALUE (efi_symbol); + e = (struct mips_extra_func_info *) SYMBOL_VALUE (i); e->pdr = *pr; e->pdr.isym = (long) s; e->pdr.adr += cur_fdr->adr - first_off; @@ -2458,23 +2473,12 @@ psymtab_to_symtab_1 (pst, filename) if (processing_gcc_compilation != 0) { - /* This symbol table contains stabs-in-ecoff entries. */ - struct pdr_ext *pdr_ptr; struct pdr_ext *pdr_end; int first_pdr; unsigned long first_off; - struct cleanup *old_cleanups; - - /* Given a symbol index in the symbol file, find the - MIPS_EFI_SYMBOL_NAME symbol which goes with it. If this is taking - up too much memory, we could get fancy with hash tables or some - such. */ - struct symbol **mips_func_info_by_isym; - mips_func_info_by_isym = (struct symbol **) - xmalloc (fh->csym * sizeof (*mips_func_info_by_isym)); - old_cleanups = make_cleanup (free, mips_func_info_by_isym); + /* This symbol table contains stabs-in-ecoff entries. */ /* Parse local symbols first */ @@ -2515,7 +2519,6 @@ psymtab_to_symtab_1 (pst, filename) SYMBOL_TYPE (s) = builtin_type_void; SYMBOL_VALUE (s) = (int) e; add_symbol_to_list (s, &local_symbols); - mips_func_info_by_isym[cur_sdx] = s; } } else if (sh.st == stLabel && sh.index != indexNil) @@ -2553,10 +2556,8 @@ psymtab_to_symtab_1 (pst, filename) first_off = pr.adr; first_pdr = 0; } - parse_procedure (&pr, mips_func_info_by_isym [pr.isym], first_off); + parse_procedure (&pr, st, first_off); } - - do_cleanups (old_cleanups); } else { @@ -2825,7 +2826,7 @@ mylookup_symbol (name, block, namespace, class) if (SYMBOL_NAME (sym)[0] == inc && SYMBOL_NAMESPACE (sym) == namespace && SYMBOL_CLASS (sym) == class - && strcmp (SYMBOL_NAME (sym), name) == 0) + && STREQ (SYMBOL_NAME (sym), name)) return sym; bot++; } -- 2.7.4