darlinghq/darling-gdb
1
0
Fork 0
mirror of https://github.com/darlinghq/darling-gdb.git synced 2024-11-26 21:40:38 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Add support for SSE registers in ELF core files.

Browse Source 
* elf.c (elfcore_make_note_pseudosection): New function.
(elfcore_grok_prfpreg): Use it.
(elfcore_grok_prxfpreg): New function.
(elfcore_grok_note): Recognize Linux NT_PRXFPREG notes.
This commit is contained in:
Jim Blandy 1999-12-07 23:51:02 +00:00
parent 843dd99245
commit ff08c6bbc8
1 changed files with 49 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
bfd/elf.c
View File

@ -5037,28 +5037,33 @@ elfcore_grok_prstatus (abfd, note)
#endif /* defined (HAVE_PRSTATUS_T) */
/* There isn't a consistent prfpregset_t across platforms,
but it doesn't matter, because we don't have to pick this
data structure apart. */
/* Create a pseudosection containing the exact contents of NOTE. This
actually creates up to two pseudosections:
- For the single-threaded case, a section named NAME, unless
such a section already exists.
- For the multi-threaded case, a section named "NAME/PID", where
PID is elfcore_make_pid (abfd).
Both pseudosections have identical contents: the contents of NOTE. */
static boolean
elfcore_grok_prfpreg (abfd, note)
elfcore_make_note_pseudosection (abfd, name, note)
bfd* abfd;
char *name;
Elf_Internal_Note* note;
{
char buf[100];
char* name;
char *threaded_name;
asection* sect;
/* Make a ".reg2/999" section. */
/* Build the section name. */
sprintf (buf, ".reg2/%d", elfcore_make_pid (abfd));
name = bfd_alloc (abfd, strlen (buf) + 1);
if (name == NULL)
sprintf (buf, "%s/%d", name, elfcore_make_pid (abfd));
threaded_name = bfd_alloc (abfd, strlen (buf) + 1);
if (threaded_name == NULL)
return false;
strcpy (name, buf);
strcpy (threaded_name, buf);
sect = bfd_make_section (abfd, name);
sect = bfd_make_section (abfd, threaded_name);
if (sect == NULL)
return false;
sect->_raw_size = note->descsz;
@ -5066,12 +5071,37 @@ elfcore_grok_prfpreg (abfd, note)
sect->flags = SEC_HAS_CONTENTS;
sect->alignment_power = 2;
if (! elfcore_maybe_make_sect (abfd, ".reg2", sect))
if (! elfcore_maybe_make_sect (abfd, name, sect))
return false;
return true;
}
/* There isn't a consistent prfpregset_t across platforms,
but it doesn't matter, because we don't have to pick this
data structure apart. */
static boolean
elfcore_grok_prfpreg (abfd, note)
bfd* abfd;
Elf_Internal_Note* note;
{
return elfcore_make_note_pseudosection (abfd, ".reg2", note);
}
/* Linux dumps the Intel SSE regs in a note named "LINUX" with a note
type of 5 (NT_PRXFPREG). Just include the whole note's contents
literally. */
static boolean
elfcore_grok_prxfpreg (abfd, note)
bfd* abfd;
Elf_Internal_Note* note;
{
return elfcore_make_note_pseudosection (abfd, ".reg-xfp", note);
}
#if defined (HAVE_PRPSINFO_T)
# define elfcore_psinfo_t prpsinfo_t
#endif
@ -5282,6 +5312,13 @@ elfcore_grok_note (abfd, note)
case NT_FPREGSET: /* FIXME: rename to NT_PRFPREG */
return elfcore_grok_prfpreg (abfd, note);
case NT_PRXFPREG: /* Linux SSE extension */
if (note->namesz == 5
&& ! strcmp (note->namedata, "LINUX"))
return elfcore_grok_prxfpreg (abfd, note);
else
return true;
#if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T)
case NT_PRPSINFO:
case NT_PSINFO: