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(_bfd_stab_section_find_nearest_line): For line number stabs outside of
functions, treat values as absolute addresses.
This commit is contained in:
Nick Clifton
parent
3193e2343c
commit
21efdc8d7c
@ -3,6 +3,9 @@
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* elfcore.h (elf_core_file_p): Compare alternate machine codes for ELF
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backends when checking if the generic ELF target should be used.
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* syms.c (_bfd_stab_section_find_nearest_line): For line number stabs
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outside of functions, treat values as absolute addresses.
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2003-02-14 Alan Modra <amodra@bigpond.net.au>
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* elf64-ppc.c (ppc64_elf_link_hash_table_create): Init tls_get_addr.
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91
bfd/syms.c
91
bfd/syms.c
@ -1,24 +1,24 @@
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/* Generic symbol-table support for the BFD library.
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Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
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2000, 2001, 2002
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2000, 2001, 2002, 2003
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Free Software Foundation, Inc.
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Written by Cygnus Support.
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This file is part of BFD, the Binary File Descriptor library.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*
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SECTION
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@ -74,9 +74,9 @@ SUBSECTION
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| if (storage_needed < 0)
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| FAIL
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| if (storage_needed == 0) {
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| return ;
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| }
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| if (storage_needed == 0)
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| return;
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| symbol_table = (asymbol **) xmalloc (storage_needed);
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| ...
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| number_of_symbols =
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@ -85,9 +85,8 @@ SUBSECTION
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| if (number_of_symbols < 0)
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| FAIL
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| for (i = 0; i < number_of_symbols; i++) {
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| process_symbol (symbol_table[i]);
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| }
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| for (i = 0; i < number_of_symbols; i++)
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| process_symbol (symbol_table[i]);
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All storage for the symbols themselves is in an objalloc
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connected to the BFD; it is freed when the BFD is closed.
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@ -108,25 +107,26 @@ SUBSECTION
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example showing the creation of a symbol table with only one element:
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| #include "bfd.h"
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| main()
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| int main (void)
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| {
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| bfd *abfd;
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| asymbol *ptrs[2];
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| asymbol *new;
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| abfd = bfd_openw("foo","a.out-sunos-big");
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| bfd_set_format(abfd, bfd_object);
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| new = bfd_make_empty_symbol(abfd);
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| abfd = bfd_openw ("foo","a.out-sunos-big");
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| bfd_set_format (abfd, bfd_object);
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| new = bfd_make_empty_symbol (abfd);
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| new->name = "dummy_symbol";
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| new->section = bfd_make_section_old_way(abfd, ".text");
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| new->section = bfd_make_section_old_way (abfd, ".text");
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| new->flags = BSF_GLOBAL;
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| new->value = 0x12345;
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| ptrs[0] = new;
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| ptrs[1] = (asymbol *)0;
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| bfd_set_symtab(abfd, ptrs, 1);
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| bfd_close(abfd);
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| bfd_set_symtab (abfd, ptrs, 1);
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| bfd_close (abfd);
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| return 0;
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| }
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| ./makesym
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@ -346,7 +346,7 @@ FUNCTION
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bfd_is_local_label
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SYNOPSIS
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bfd_boolean bfd_is_local_label(bfd *abfd, asymbol *sym);
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bfd_boolean bfd_is_local_label (bfd *abfd, asymbol *sym);
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DESCRIPTION
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Return TRUE if the given symbol @var{sym} in the BFD @var{abfd} is
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@ -438,7 +438,7 @@ FUNCTION
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bfd_print_symbol_vandf
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SYNOPSIS
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void bfd_print_symbol_vandf(bfd *abfd, PTR file, asymbol *symbol);
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void bfd_print_symbol_vandf (bfd *abfd, PTR file, asymbol *symbol);
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DESCRIPTION
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Print the value and flags of the @var{symbol} supplied to the
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@ -451,16 +451,14 @@ bfd_print_symbol_vandf (abfd, arg, symbol)
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asymbol *symbol;
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{
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FILE *file = (FILE *) arg;
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flagword type = symbol->flags;
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if (symbol->section != (asection *) NULL)
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{
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bfd_fprintf_vma (abfd, file,
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symbol->value + symbol->section->vma);
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}
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bfd_fprintf_vma (abfd, file,
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symbol->value + symbol->section->vma);
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else
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{
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bfd_fprintf_vma (abfd, file, symbol->value);
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}
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bfd_fprintf_vma (abfd, file, symbol->value);
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/* This presumes that a symbol can not be both BSF_DEBUGGING and
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BSF_DYNAMIC, nor more than one of BSF_FUNCTION, BSF_FILE, and
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@ -504,7 +502,7 @@ FUNCTION
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_bfd_generic_make_empty_symbol
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SYNOPSIS
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asymbol *_bfd_generic_make_empty_symbol (bfd *);
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asymbol * _bfd_generic_make_empty_symbol (bfd *);
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DESCRIPTION
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Create a new <<asymbol>> structure for the BFD @var{abfd}
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@ -634,7 +632,7 @@ DESCRIPTION
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class of @var{symbol}, or '?' for an unknown class.
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SYNOPSIS
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int bfd_decode_symclass(asymbol *symbol);
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int bfd_decode_symclass (asymbol *symbol);
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*/
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int
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bfd_decode_symclass (symbol)
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@ -726,7 +724,7 @@ DESCRIPTION
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calling this function.
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SYNOPSIS
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void bfd_symbol_info(asymbol *symbol, symbol_info *ret);
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void bfd_symbol_info (asymbol *symbol, symbol_info *ret);
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*/
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void
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@ -749,7 +747,7 @@ FUNCTION
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bfd_copy_private_symbol_data
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SYNOPSIS
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bfd_boolean bfd_copy_private_symbol_data(bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym);
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bfd_boolean bfd_copy_private_symbol_data (bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym);
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DESCRIPTION
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Copy private symbol information from @var{isym} in the BFD
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@ -816,7 +814,6 @@ _bfd_generic_read_minisymbols (abfd, dynamic, minisymsp, sizep)
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an asymbol. We don't worry about the sym argument we are passed;
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we just return the asymbol the minisymbol points to. */
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/*ARGSUSED*/
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asymbol *
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_bfd_generic_minisymbol_to_symbol (abfd, dynamic, minisym, sym)
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bfd *abfd ATTRIBUTE_UNUSED;
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@ -1245,12 +1242,11 @@ _bfd_stab_section_find_nearest_line (abfd, symbols, section, offset, pfound,
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else
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#endif
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{
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/* Cache non-existant or invalid. Do binary search on
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indextable. */
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long low, high;
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long mid = -1;
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/* Cache non-existant or invalid. Do binary search on
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indextable. */
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indexentry = NULL;
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low = 0;
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@ -1305,9 +1301,11 @@ _bfd_stab_section_find_nearest_line (abfd, symbols, section, offset, pfound,
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case N_SLINE:
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case N_DSLINE:
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case N_BSLINE:
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/* A line number. The value is relative to the start of the
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current function. */
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val = indexentry->val + bfd_get_32 (abfd, stab + VALOFF);
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/* A line number. If the function was specified, then the value
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is relative to the start of the function. Otherwise, the
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value is an absolute address. */
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val = ((indexentry->function_name ? indexentry->val : 0)
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+ bfd_get_32 (abfd, stab + VALOFF));
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/* If this line starts before our desired offset, or if it's
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the first line we've been able to find, use it. The
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!saw_line check works around a bug in GCC 2.95.3, which emits
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@ -1376,7 +1374,6 @@ _bfd_stab_section_find_nearest_line (abfd, symbols, section, offset, pfound,
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/* This will typically be something like main:F(0,1), so we want
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to clobber the colon. It's OK to change the name, since the
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string is in our own local storage anyhow. */
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s = strchr (indexentry->function_name, ':');
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if (s != NULL)
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*s = '\0';
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