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* elfxx-ia64.c (is_unwind_section_name): Consider linkonce unwind

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sections as well.
	(elfNN_ia64_final_write_processing): Map .gnu.linkonce.ia64unw.FOO
	to .gnu.linkonce.t.FOO text section.

	* readelf.c (process_unwind): Print all unwind sections, not just
	one.

	* config/tc-ia64.c (special_linkonce_name): New.
	(make_unw_section): Map .gnu.linkonce.t.FOO text section into
	.gnu.linkonce.ia64unw{,i}.FOO.
	(ia64_elf_section_type): Handle .gnu.linkonce.ia64unw{,i}.FOO.
	(dot_endp): Add comment about it.

	* elf/ia64.h (ELF_STRING_ia64_unwind_once): Define.
	(ELF_STRING_ia64_unwind_info_once): Define.

	* emulparams/elf64_ia64.sh (OTHER_READONLY_SECTIONS): Put
	.gnu.linkonce.ia64unw{,i} sections into corresponding .IA_64.unwind*
	output sections.
	* emulparams/elf64_aix.sh (OTHER_READONLY_SECTIONS): Likewise.
This commit is contained in:
Jakub Jelinek
2001-05-11 12:36:47 +00:00
parent 8550eb6e64
commit 579f31ac74
11 changed files with 168 additions and 36 deletions
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5
binutils/ChangeLog
View File

@@ -1,3 +1,8 @@
2001-05-11 Jakub Jelinek <jakub@redhat.com>
* readelf.c (process_unwind): Print all unwind sections, not just
one.
2001-05-07 Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
* readelf.c (process_unwind): Remove const specifier.

114
binutils/readelf.c
View File

@@ -3408,7 +3408,7 @@ process_unwind (file)
FILE * file;
{
Elf32_Internal_Shdr *sec, *unwsec = NULL, *strsec;
unsigned long i, addr_size;
unsigned long i, addr_size, unwcount = 0, unwstart = 0;
struct unw_aux_info aux;
if (!do_unwind)
@@ -3437,40 +3437,100 @@ process_unwind (file)
aux.strtab, char *, "string table");
}
else if (sec->sh_type == SHT_IA_64_UNWIND)
unwsec = sec;
else if (strcmp (SECTION_NAME (sec), ELF_STRING_ia64_unwind_info) == 0)
unwcount++;
}
if (!unwcount)
printf (_("\nThere are no unwind sections in this file.\n"));
while (unwcount-- > 0)
{
char *suffix;
size_t len, len2;
for (i = unwstart, sec = section_headers + unwstart;
i < elf_header.e_shnum; ++i, ++sec)
if (sec->sh_type == SHT_IA_64_UNWIND)
{
unwsec = sec;
break;
}
unwstart = i + 1;
len = sizeof (ELF_STRING_ia64_unwind_once) - 1;
if (strncmp (SECTION_NAME (unwsec), ELF_STRING_ia64_unwind_once,
len) == 0)
{
/* .gnu.linkonce.ia64unw.FOO -> .gnu.linkonce.ia64unwi.FOO */
len2 = sizeof (ELF_STRING_ia64_unwind_info_once) - 1;
suffix = SECTION_NAME (unwsec) + len;
for (i = 0, sec = section_headers; i < elf_header.e_shnum;
++i, ++sec)
if (strncmp (SECTION_NAME (sec),
ELF_STRING_ia64_unwind_info_once, len2) == 0
&& strcmp (SECTION_NAME (sec) + len2, suffix) == 0)
break;
}
else
{
/* .IA_64.unwindFOO -> .IA_64.unwind_infoFOO
.IA_64.unwind or BAR -> .IA_64.unwind_info */
len = sizeof (ELF_STRING_ia64_unwind) - 1;
len2 = sizeof (ELF_STRING_ia64_unwind_info) - 1;
suffix = "";
if (strncmp (SECTION_NAME (unwsec), ELF_STRING_ia64_unwind,
len) == 0)
suffix = SECTION_NAME (unwsec) + len;
for (i = 0, sec = section_headers; i < elf_header.e_shnum;
++i, ++sec)
if (strncmp (SECTION_NAME (sec),
ELF_STRING_ia64_unwind_info, len2) == 0
&& strcmp (SECTION_NAME (sec) + len2, suffix) == 0)
break;
}
if (i == elf_header.e_shnum)
{
printf (_("\nCould not find unwind info section for "));
if (string_table == NULL)
printf ("%d", unwsec->sh_name);
else
printf ("'%s'", SECTION_NAME (unwsec));
}
else
{
aux.info_size = sec->sh_size;
aux.info_addr = sec->sh_addr;
GET_DATA_ALLOC (sec->sh_offset, aux.info_size, aux.info,
char *, "unwind info");
printf (_("\nUnwind section "));
if (string_table == NULL)
printf ("%d", unwsec->sh_name);
else
printf ("'%s'", SECTION_NAME (unwsec));
printf (_(" at offset 0x%lx contains %lu entries:\n"),
unwsec->sh_offset,
(unsigned long) (unwsec->sh_size / (3 * addr_size)));
(void) slurp_ia64_unwind_table (file, & aux, unwsec);
if (aux.table_len > 0)
dump_ia64_unwind (& aux);
if (aux.table)
free ((char *) aux.table);
if (aux.info)
free ((char *) aux.info);
aux.table = NULL;
aux.info = NULL;
}
}
if (unwsec)
{
printf (_("\nUnwind section "));
if (string_table == NULL)
printf ("%d", unwsec->sh_name);
else
printf ("'%s'", SECTION_NAME (unwsec));
printf (_(" at offset 0x%lx contains %lu entries:\n"),
unwsec->sh_offset, (unsigned long) (unwsec->sh_size / (3 * addr_size)));
(void) slurp_ia64_unwind_table (file, & aux, unwsec);
if (aux.table_len > 0)
dump_ia64_unwind (& aux);
}
else
printf (_("\nThere are no unwind sections in this file.\n"));
if (aux.table)
free ((char *) aux.table);
if (aux.info)
free ((char *) aux.info);
if (aux.symtab)
free (aux.symtab);
if (aux.strtab)