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authorMichal Ludvig <mludvig@suse.cz>2002-05-24 14:25:08 +0000
committerMichal Ludvig <mludvig@suse.cz>2002-05-24 14:25:08 +0000
commit3bab7989f46f34c3dbf0def132588d42e29d535f (patch)
tree3f978168a970022c9fe7038dfea2e11becbf7fa6 /bfd/elf64-x86-64.c
parent436e8db0b74a5434fa8b1a2a15536f2358cf1543 (diff)
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2002-05-24 Michal Ludvig <mludvig@suse.cz>
* elf64-x86-64.c (elf64_x86_64_grok_prstatus): Added. (elf64_x86_64_grok_psinfo): Added.
Diffstat (limited to 'bfd/elf64-x86-64.c')
-rw-r--r--bfd/elf64-x86-64.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
index 30cc29a..66a27db 100644
--- a/bfd/elf64-x86-64.c
+++ b/bfd/elf64-x86-64.c
@@ -125,6 +125,10 @@ static reloc_howto_type *elf64_x86_64_reloc_type_lookup
PARAMS ((bfd *, bfd_reloc_code_real_type));
static void elf64_x86_64_info_to_howto
PARAMS ((bfd *, arelent *, Elf64_Internal_Rela *));
+static boolean elf64_x86_64_grok_prstatus
+ PARAMS ((bfd *, Elf_Internal_Note *));
+static boolean elf64_x86_64_grok_psinfo
+ PARAMS ((bfd *, Elf_Internal_Note *));
static struct bfd_link_hash_table *elf64_x86_64_link_hash_table_create
PARAMS ((bfd *));
static boolean elf64_x86_64_elf_object_p PARAMS ((bfd *abfd));
@@ -208,6 +212,73 @@ elf64_x86_64_info_to_howto (abfd, cache_ptr, dst)
BFD_ASSERT (r_type == cache_ptr->howto->type);
}
+/* Support for core dump NOTE sections. */
+static boolean
+elf64_x86_64_grok_prstatus (abfd, note)
+ bfd *abfd;
+ Elf_Internal_Note *note;
+{
+ int offset;
+ size_t raw_size;
+
+ switch (note->descsz)
+ {
+ default:
+ return false;
+
+ case 336: /* sizeof(istruct elf_prstatus) on Linux/x86_64 */
+ /* pr_cursig */
+ elf_tdata (abfd)->core_signal
+ = bfd_get_16 (abfd, note->descdata + 12);
+
+ /* pr_pid */
+ elf_tdata (abfd)->core_pid
+ = bfd_get_32 (abfd, note->descdata + 32);
+
+ /* pr_reg */
+ offset = 112;
+ raw_size = 216;
+
+ break;
+ }
+
+ /* Make a ".reg/999" section. */
+ return _bfd_elfcore_make_pseudosection (abfd, ".reg",
+ raw_size, note->descpos + offset);
+}
+
+static boolean
+elf64_x86_64_grok_psinfo (abfd, note)
+ bfd *abfd;
+ Elf_Internal_Note *note;
+{
+ switch (note->descsz)
+ {
+ default:
+ return false;
+
+ case 136: /* sizeof(struct elf_prpsinfo) on Linux/x86_64 */
+ elf_tdata (abfd)->core_program
+ = _bfd_elfcore_strndup (abfd, note->descdata + 40, 16);
+ elf_tdata (abfd)->core_command
+ = _bfd_elfcore_strndup (abfd, note->descdata + 56, 80);
+ }
+
+ /* Note that for some reason, a spurious space is tacked
+ onto the end of the args in some (at least one anyway)
+ implementations, so strip it off if it exists. */
+
+ {
+ char *command = elf_tdata (abfd)->core_command;
+ int n = strlen (command);
+
+ if (0 < n && command[n - 1] == ' ')
+ command[n - 1] = '\0';
+ }
+
+ return true;
+}
+
/* Functions for the x86-64 ELF linker. */
/* The name of the dynamic interpreter. This is put in the .interp
@@ -2228,6 +2299,8 @@ elf64_x86_64_finish_dynamic_sections (output_bfd, info)
#define elf_backend_finish_dynamic_symbol elf64_x86_64_finish_dynamic_symbol
#define elf_backend_gc_mark_hook elf64_x86_64_gc_mark_hook
#define elf_backend_gc_sweep_hook elf64_x86_64_gc_sweep_hook
+#define elf_backend_grok_prstatus elf64_x86_64_grok_prstatus
+#define elf_backend_grok_psinfo elf64_x86_64_grok_psinfo
#define elf_backend_reloc_type_class elf64_x86_64_reloc_type_class
#define elf_backend_relocate_section elf64_x86_64_relocate_section
#define elf_backend_size_dynamic_sections elf64_x86_64_size_dynamic_sections