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https://github.com/tobast/libunwind-eh_elf.git
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(unw_search_ia64_unwind_table): Rename from tdep_search_unwind_table().
(_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
parent
2d4098ac19
commit
54ef1c8712
1 changed files with 85 additions and 85 deletions
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@ -1,5 +1,5 @@
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/* libunwind - a platform-independent unwind library
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Copyright (c) 2001-2003 Hewlett-Packard Development Company, L.P.
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Copyright (c) 2001-2004 Hewlett-Packard Development Company, L.P.
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Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
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This file is part of libunwind.
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@ -162,9 +162,9 @@ lookup (struct ia64_table_entry *table, size_t table_size, unw_word_t rel_ip)
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}
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PROTECTED int
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tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip,
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unw_dyn_info_t *di, unw_proc_info_t *pi,
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int need_unwind_info, void *arg)
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unw_search_ia64_unwind_table (unw_addr_space_t as, unw_word_t ip,
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unw_dyn_info_t *di, unw_proc_info_t *pi,
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int need_unwind_info, void *arg)
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{
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unw_word_t addr, hdr_addr, info_addr, info_end_addr, hdr, *wp;
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const struct ia64_table_entry *e = NULL;
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@ -271,6 +271,86 @@ tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip,
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return 0;
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}
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#ifndef UNW_REMOTE_ONLY
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#if defined(HAVE_DL_ITERATE_PHDR)
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#include <link.h>
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#include <stdlib.h>
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#if __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 2) \
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|| (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && !defined(DT_CONFIG))
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# error You need GLIBC 2.2.4 or later on IA-64 Linux
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#endif
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#if defined(HAVE_GETUNWIND)
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extern unsigned long getunwind (void *buf, size_t len);
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#else /* HAVE_GETUNWIND */
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#include <unistd.h>
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#include <sys/syscall.h>
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# ifndef __NR_getunwind
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# define __NR_getunwind 1215
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# endif
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static unsigned long
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getunwind (void *buf, size_t len)
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{
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return syscall (SYS_getunwind, buf, len);
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}
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#endif /* HAVE_GETUNWIND */
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static unw_dyn_info_t kernel_table;
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static int
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get_kernel_table (unw_dyn_info_t *di)
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{
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struct ia64_table_entry *ktab, *etab;
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size_t size;
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debug (100, "unwind: getting kernel table");
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size = getunwind (NULL, 0);
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ktab = sos_alloc (size);
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if (!ktab)
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{
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dprintf (__FILE__".%s: failed to allocate %Zu bytes",
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__FUNCTION__, size);
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return -UNW_ENOMEM;
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}
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getunwind (ktab, size);
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/* Determine length of kernel's unwind table & relocate its entries. */
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for (etab = ktab; etab->start_offset; ++etab)
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etab->info_offset += (uint64_t) ktab;
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di->format = UNW_INFO_FORMAT_TABLE;
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di->gp = 0;
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di->start_ip = ktab[0].start_offset;
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di->end_ip = etab[-1].end_offset;
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di->u.ti.name_ptr = (unw_word_t) "<kernel>";
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di->u.ti.segbase = 0;
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di->u.ti.table_len = ((char *) etab - (char *) ktab) / sizeof (unw_word_t);
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di->u.ti.table_data = (unw_word_t *) ktab;
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debug (100, "unwind: found table `%s': [%lx-%lx) segbase=%lx len=%lu\n",
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(char *) di->u.ti.name_ptr, di->start_ip, di->end_ip,
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di->u.ti.segbase, di->u.ti.table_len);
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return 0;
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}
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#ifndef UNW_LOCAL_ONLY
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PROTECTED int
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_Uia64_get_kernel_table (unw_dyn_info_t *di)
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{
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return get_kernel_table (di);
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}
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PROTECTED unw_word_t
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_Uia64_find_dyn_list (unw_addr_space_t as, unw_dyn_info_t *di, void *arg)
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{
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@ -360,86 +440,6 @@ _Uia64_find_dyn_list (unw_addr_space_t as, unw_dyn_info_t *di, void *arg)
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return off + gp;
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}
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#ifndef UNW_REMOTE_ONLY
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#if defined(HAVE_DL_ITERATE_PHDR)
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#include <link.h>
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#include <stdlib.h>
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#if __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 2) \
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|| (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && !defined(DT_CONFIG))
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# error You need GLIBC 2.2.4 or later on IA-64 Linux
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#endif
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#if defined(HAVE_GETUNWIND)
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extern unsigned long getunwind (void *buf, size_t len);
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#else /* HAVE_GETUNWIND */
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#include <unistd.h>
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#include <sys/syscall.h>
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# ifndef __NR_getunwind
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# define __NR_getunwind 1215
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# endif
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static unsigned long
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getunwind (void *buf, size_t len)
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{
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return syscall (SYS_getunwind, buf, len);
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}
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#endif /* HAVE_GETUNWIND */
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static unw_dyn_info_t kernel_table;
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static int
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get_kernel_table (unw_dyn_info_t *di)
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{
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struct ia64_table_entry *ktab, *etab;
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size_t size;
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debug (100, "unwind: getting kernel table");
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size = getunwind (NULL, 0);
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ktab = sos_alloc (size);
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if (!ktab)
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{
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dprintf (__FILE__".%s: failed to allocate %Zu bytes",
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__FUNCTION__, size);
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return -UNW_ENOMEM;
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}
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getunwind (ktab, size);
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/* Determine length of kernel's unwind table & relocate its entries. */
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for (etab = ktab; etab->start_offset; ++etab)
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etab->info_offset += (uint64_t) ktab;
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di->format = UNW_INFO_FORMAT_TABLE;
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di->gp = 0;
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di->start_ip = ktab[0].start_offset;
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di->end_ip = etab[-1].end_offset;
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di->u.ti.name_ptr = (unw_word_t) "<kernel>";
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di->u.ti.segbase = 0;
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di->u.ti.table_len = ((char *) etab - (char *) ktab) / sizeof (unw_word_t);
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di->u.ti.table_data = (unw_word_t *) ktab;
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debug (100, "unwind: found table `%s': [%lx-%lx) segbase=%lx len=%lu\n",
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(char *) di->u.ti.name_ptr, di->start_ip, di->end_ip,
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di->u.ti.segbase, di->u.ti.table_len);
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return 0;
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}
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#ifndef UNW_LOCAL_ONLY
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PROTECTED int
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_Uia64_get_kernel_table (unw_dyn_info_t *di)
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{
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return get_kernel_table (di);
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}
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#endif /* !UNW_LOCAL_ONLY */
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static inline unsigned long
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@ -670,7 +670,7 @@ tdep_find_proc_info (unw_addr_space_t as, unw_word_t ip,
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stale data and had to be flushed. */
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HIDDEN int
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ia64_local_validate_cache (unw_addr_space_t as)
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ia64_local_validate_cache (unw_addr_space_t as, void *arg)
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{
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return validate_cache (as);
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}
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