m2-internship/libunwind-eh_elf
1
0
Fork 0
mirror of https://github.com/tobast/libunwind-eh_elf.git synced 2024-11-26 17:17:39 +01:00
Code Issues Releases Activity

(unw_search_ia64_unwind_table): Rename from tdep_search_unwind_table().

Browse source 
(_Uia64_get_kernel_table): Define only when UNW_LOCAL_ONLY is not
	defined.
(_Uia64_find_dyn_list): Likewise.
(ia64_local_validate_cache): Fix prototype (second argument was
	missing).

(Logical change 1.154)
This commit is contained in:
mostang.com!davidm 2004-01-20 23:32:28 +00:00
parent 2d4098ac19
commit 54ef1c8712
1 changed files with 85 additions and 85 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

166
src/ia64/Gtables-ia64.c
View file

@ -1,5 +1,5 @@
/* libunwind - a platform-independent unwind library
Copyright (c) 2001-2003 Hewlett-Packard Development Company, L.P.
Copyright (c) 2001-2004 Hewlett-Packard Development Company, L.P.
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This file is part of libunwind.
@ -162,7 +162,7 @@ lookup (struct ia64_table_entry *table, size_t table_size, unw_word_t rel_ip)
}
PROTECTED int
tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip,
unw_search_ia64_unwind_table (unw_addr_space_t as, unw_word_t ip,
unw_dyn_info_t *di, unw_proc_info_t *pi,
int need_unwind_info, void *arg)
{
@ -271,6 +271,86 @@ tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip,
return 0;
}
#ifndef UNW_REMOTE_ONLY
#if defined(HAVE_DL_ITERATE_PHDR)
#include <link.h>
#include <stdlib.h>
#if __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 2) \
|| (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && !defined(DT_CONFIG))
# error You need GLIBC 2.2.4 or later on IA-64 Linux
#endif
#if defined(HAVE_GETUNWIND)
extern unsigned long getunwind (void *buf, size_t len);
#else /* HAVE_GETUNWIND */
#include <unistd.h>
#include <sys/syscall.h>
# ifndef __NR_getunwind
# define __NR_getunwind 1215
# endif
static unsigned long
getunwind (void *buf, size_t len)
{
return syscall (SYS_getunwind, buf, len);
}
#endif /* HAVE_GETUNWIND */
static unw_dyn_info_t kernel_table;
static int
get_kernel_table (unw_dyn_info_t *di)
{
struct ia64_table_entry *ktab, *etab;
size_t size;
debug (100, "unwind: getting kernel table");
size = getunwind (NULL, 0);
ktab = sos_alloc (size);
if (!ktab)
{
dprintf (__FILE__".%s: failed to allocate %Zu bytes",
__FUNCTION__, size);
return -UNW_ENOMEM;
}
getunwind (ktab, size);
/* Determine length of kernel's unwind table & relocate its entries. */
for (etab = ktab; etab->start_offset; ++etab)
etab->info_offset += (uint64_t) ktab;
di->format = UNW_INFO_FORMAT_TABLE;
di->gp = 0;
di->start_ip = ktab[0].start_offset;
di->end_ip = etab[-1].end_offset;
di->u.ti.name_ptr = (unw_word_t) "<kernel>";
di->u.ti.segbase = 0;
di->u.ti.table_len = ((char *) etab - (char *) ktab) / sizeof (unw_word_t);
di->u.ti.table_data = (unw_word_t *) ktab;
debug (100, "unwind: found table `%s': [%lx-%lx) segbase=%lx len=%lu\n",
(char *) di->u.ti.name_ptr, di->start_ip, di->end_ip,
di->u.ti.segbase, di->u.ti.table_len);
return 0;
}
#ifndef UNW_LOCAL_ONLY
PROTECTED int
_Uia64_get_kernel_table (unw_dyn_info_t *di)
{
return get_kernel_table (di);
}
PROTECTED unw_word_t
_Uia64_find_dyn_list (unw_addr_space_t as, unw_dyn_info_t *di, void *arg)
{
@ -360,86 +440,6 @@ _Uia64_find_dyn_list (unw_addr_space_t as, unw_dyn_info_t *di, void *arg)
return off + gp;
}
#ifndef UNW_REMOTE_ONLY
#if defined(HAVE_DL_ITERATE_PHDR)
#include <link.h>
#include <stdlib.h>
#if __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 2) \
|| (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && !defined(DT_CONFIG))
# error You need GLIBC 2.2.4 or later on IA-64 Linux
#endif
#if defined(HAVE_GETUNWIND)
extern unsigned long getunwind (void *buf, size_t len);
#else /* HAVE_GETUNWIND */
#include <unistd.h>
#include <sys/syscall.h>
# ifndef __NR_getunwind
# define __NR_getunwind 1215
# endif
static unsigned long
getunwind (void *buf, size_t len)
{
return syscall (SYS_getunwind, buf, len);
}
#endif /* HAVE_GETUNWIND */
static unw_dyn_info_t kernel_table;
static int
get_kernel_table (unw_dyn_info_t *di)
{
struct ia64_table_entry *ktab, *etab;
size_t size;
debug (100, "unwind: getting kernel table");
size = getunwind (NULL, 0);
ktab = sos_alloc (size);
if (!ktab)
{
dprintf (__FILE__".%s: failed to allocate %Zu bytes",
__FUNCTION__, size);
return -UNW_ENOMEM;
}
getunwind (ktab, size);
/* Determine length of kernel's unwind table & relocate its entries. */
for (etab = ktab; etab->start_offset; ++etab)
etab->info_offset += (uint64_t) ktab;
di->format = UNW_INFO_FORMAT_TABLE;
di->gp = 0;
di->start_ip = ktab[0].start_offset;
di->end_ip = etab[-1].end_offset;
di->u.ti.name_ptr = (unw_word_t) "<kernel>";
di->u.ti.segbase = 0;
di->u.ti.table_len = ((char *) etab - (char *) ktab) / sizeof (unw_word_t);
di->u.ti.table_data = (unw_word_t *) ktab;
debug (100, "unwind: found table `%s': [%lx-%lx) segbase=%lx len=%lu\n",
(char *) di->u.ti.name_ptr, di->start_ip, di->end_ip,
di->u.ti.segbase, di->u.ti.table_len);
return 0;
}
#ifndef UNW_LOCAL_ONLY
PROTECTED int
_Uia64_get_kernel_table (unw_dyn_info_t *di)
{
return get_kernel_table (di);
}
#endif /* !UNW_LOCAL_ONLY */
static inline unsigned long
@ -670,7 +670,7 @@ tdep_find_proc_info (unw_addr_space_t as, unw_word_t ip,
stale data and had to be flushed. */
HIDDEN int
ia64_local_validate_cache (unw_addr_space_t as)
ia64_local_validate_cache (unw_addr_space_t as, void *arg)
{
return validate_cache (as);
}