diff options
| author | John Baldwin <jhb@FreeBSD.org> | 2022-04-01 13:16:46 -0700 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2022-04-01 13:16:46 -0700 |
| commit | b5c2367c3ac5f696221d9c24f470498abdb83257 (patch) | |
| tree | f9355ff7dc4bb40ea01795cdfab9e9eb2a3afa54 /bfd | |
| parent | a171378aa472fab0407dc1f99e8e7782286719ed (diff) | |
| download | gdb-b5c2367c3ac5f696221d9c24f470498abdb83257.zip gdb-b5c2367c3ac5f696221d9c24f470498abdb83257.tar.gz gdb-b5c2367c3ac5f696221d9c24f470498abdb83257.tar.bz2 | |
Use pseudosections for NT_FREEBSD_X86_SEGBASES core dump notes.
This includes adding pseudosections when reading a core dump as well
as support for writing out a core dump note from a pseudosection.
bfd/ChangeLog:
* elf-bfd.h (elfcore_write_x86_segbases): New.
* elf.c (elfcore_grok_freebsd_note): Add pseudosections for
NT_FREEBSD_X86_SEGBASES register notes.
(elfcore_write_x86_segbases): New.
(elfcore_write_register_note): Write NT_FREEBSD_X86_SEGBASES
register notes.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 9 | ||||
| -rw-r--r-- | bfd/elf-bfd.h | 2 | ||||
| -rw-r--r-- | bfd/elf.c | 14 |
3 files changed, 25 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 1fcb8d9..98f0bab 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,5 +1,14 @@ 2022-04-01 John Baldwin <jhb@FreeBSD.org> + * elf-bfd.h (elfcore_write_x86_segbases): New. + * elf.c (elfcore_grok_freebsd_note): Add pseudosections for + NT_FREEBSD_X86_SEGBASES register notes. + (elfcore_write_x86_segbases): New. + (elfcore_write_register_note): Write NT_FREEBSD_X86_SEGBASES + register notes. + +2022-04-01 John Baldwin <jhb@FreeBSD.org> + * elf.c (elfcore_grok_freebsd_note): Remove checks for namesz. 2022-03-22 Steiner H Gunderson <steinar+sourceware@gunderson.no> diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h index 5c3985f..c7c0a79 100644 --- a/bfd/elf-bfd.h +++ b/bfd/elf-bfd.h @@ -2786,6 +2786,8 @@ extern char *elfcore_write_prxfpreg (bfd *, char *, int *, const void *, int); extern char *elfcore_write_xstatereg (bfd *, char *, int *, const void *, int); +extern char *elfcore_write_x86_segbases + (bfd *, char *, int *, const void *, int); extern char *elfcore_write_ppc_vmx (bfd *, char *, int *, const void *, int); extern char *elfcore_write_ppc_vsx @@ -11027,6 +11027,9 @@ elfcore_grok_freebsd_note (bfd *abfd, Elf_Internal_Note *note) case NT_FREEBSD_PROCSTAT_AUXV: return elfcore_make_auxv_note_section (abfd, note, 4); + case NT_FREEBSD_X86_SEGBASES: + return elfcore_make_note_pseudosection (abfd, ".reg-x86-segbases", note); + case NT_X86_XSTATE: return elfcore_grok_xstatereg (abfd, note); @@ -11905,6 +11908,15 @@ elfcore_write_xstatereg (bfd *abfd, char *buf, int *bufsiz, } char * +elfcore_write_x86_segbases (bfd *abfd, char *buf, int *bufsiz, + const void *regs, int size) +{ + char *note_name = "FreeBSD"; + return elfcore_write_note (abfd, buf, bufsiz, + note_name, NT_FREEBSD_X86_SEGBASES, regs, size); +} + +char * elfcore_write_ppc_vmx (bfd *abfd, char *buf, int *bufsiz, @@ -12441,6 +12453,8 @@ elfcore_write_register_note (bfd *abfd, return elfcore_write_prxfpreg (abfd, buf, bufsiz, data, size); if (strcmp (section, ".reg-xstate") == 0) return elfcore_write_xstatereg (abfd, buf, bufsiz, data, size); + if (strcmp (section, ".reg-x86-segbases") == 0) + return elfcore_write_x86_segbases (abfd, buf, bufsiz, data, size); if (strcmp (section, ".reg-ppc-vmx") == 0) return elfcore_write_ppc_vmx (abfd, buf, bufsiz, data, size); if (strcmp (section, ".reg-ppc-vsx") == 0) |