diff options
Diffstat (limited to 'backends/linux-core-note.c')
| -rw-r--r-- | backends/linux-core-note.c | 58 |
1 files changed, 49 insertions, 9 deletions
diff --git a/backends/linux-core-note.c b/backends/linux-core-note.c index 7b1fc025..9d01219c 100644 --- a/backends/linux-core-note.c +++ b/backends/linux-core-note.c @@ -1,5 +1,5 @@ /* Common core note type descriptions for Linux. - Copyright (C) 2007, 2008 Red Hat, Inc. + Copyright (C) 2007-2010 Red Hat, Inc. This file is part of Red Hat elfutils. Red Hat elfutils is free software; you can redistribute it and/or modify @@ -23,6 +23,8 @@ Network licensing program, please visit www.openinventionnetwork.com <http://www.openinventionnetwork.com>. */ +#include <string.h> + /* The including CPU_corenote.c file provides prstatus_regs and defines macros ULONG, [PUG]ID_T, and ALIGN_*, TYPE_*. @@ -163,23 +165,61 @@ static const Ebl_Core_Item prpsinfo_items[] = FIELD (command, CHAR, psargs, 's', .count = PRARGSZ), }; +static const Ebl_Core_Item vmcoreinfo_items[] = + { + { + .type = ELF_T_BYTE, .format = '\n' + } + }; + #undef FIELD int -EBLHOOK(core_note) (n_type, descsz, - regs_offset, nregloc, reglocs, nitems, items) - GElf_Word n_type; - GElf_Word descsz; +EBLHOOK(core_note) (nhdr, name, regs_offset, nregloc, reglocs, nitems, items) + const GElf_Nhdr *nhdr; + const char *name; GElf_Word *regs_offset; size_t *nregloc; const Ebl_Register_Location **reglocs; size_t *nitems; const Ebl_Core_Item **items; { - switch (n_type) + switch (nhdr->n_namesz) + { + case sizeof "CORE" - 1: /* Buggy old Linux kernels. */ + if (memcmp (name, "CORE", nhdr->n_namesz) == 0) + break; + return 0; + + case sizeof "CORE": + if (memcmp (name, "CORE", nhdr->n_namesz) == 0) + break; + /* Buggy old Linux kernels didn't terminate "LINUX". + Fall through. */ + + case sizeof "LINUX": + if (memcmp (name, "LINUX", nhdr->n_namesz) == 0) + break; + return 0; + + case sizeof "VMCOREINFO": + if (nhdr->n_type != 0 + || memcmp (name, "VMCOREINFO", sizeof "VMCOREINFO") != 0) + return 0; + *regs_offset = 0; + *nregloc = 0; + *nitems = 1; + *items = vmcoreinfo_items; + return 1; + + default: + return 0; + } + + switch (nhdr->n_type) { case NT_PRSTATUS: - if (descsz != sizeof (struct EBLHOOK(prstatus))) + if (nhdr->n_descsz != sizeof (struct EBLHOOK(prstatus))) return 0; *regs_offset = offsetof (struct EBLHOOK(prstatus), pr_reg); *nregloc = sizeof prstatus_regs / sizeof prstatus_regs[0]; @@ -189,7 +229,7 @@ EBLHOOK(core_note) (n_type, descsz, return 1; case NT_PRPSINFO: - if (descsz != sizeof (struct EBLHOOK(prpsinfo))) + if (nhdr->n_descsz != sizeof (struct EBLHOOK(prpsinfo))) return 0; *regs_offset = 0; *nregloc = 0; @@ -200,7 +240,7 @@ EBLHOOK(core_note) (n_type, descsz, #define EXTRA_REGSET(type, size, table) \ case type: \ - if (descsz != size) \ + if (nhdr->n_descsz != size) \ return 0; \ *regs_offset = 0; \ *nregloc = sizeof table / sizeof table[0]; \ |