diff options
Diffstat (limited to 'libebl/eblobjnote.c')
| -rw-r--r-- | libebl/eblobjnote.c | 185 |
1 files changed, 184 insertions, 1 deletions
diff --git a/libebl/eblobjnote.c b/libebl/eblobjnote.c index ca4f155d..57e9f52f 100644 --- a/libebl/eblobjnote.c +++ b/libebl/eblobjnote.c @@ -1,5 +1,5 @@ /* Print contents of object file note. - Copyright (C) 2002, 2007, 2009, 2011, 2015, 2016 Red Hat, Inc. + Copyright (C) 2002, 2007, 2009, 2011, 2015, 2016, 2018 Red Hat, Inc. This file is part of elfutils. Written by Ulrich Drepper <[email protected]>, 2002. @@ -37,6 +37,8 @@ #include <string.h> #include <libeblP.h> +#include "libelfP.h" + void ebl_object_note (Ebl *ebl, const char *name, uint32_t type, @@ -153,6 +155,187 @@ ebl_object_note (Ebl *ebl, const char *name, uint32_t type, (int) descsz, desc); break; + case NT_GNU_PROPERTY_TYPE_0: + if (strcmp (name, "GNU") == 0 && descsz > 0) + { + /* There are at least 2 words. type and datasz. */ + while (descsz >= 8) + { + struct pr_prop + { + GElf_Word pr_type; + GElf_Word pr_datasz; + } prop; + + Elf_Data in = + { + .d_version = EV_CURRENT, + .d_type = ELF_T_WORD, + .d_size = 8, + .d_buf = (void *) desc + }; + Elf_Data out = + { + .d_version = EV_CURRENT, + .d_type = ELF_T_WORD, + .d_size = descsz, + .d_buf = (void *) &prop + }; + + if (gelf_xlatetom (ebl->elf, &out, &in, + elf_getident (ebl->elf, + NULL)[EI_DATA]) == NULL) + { + printf ("%s\n", elf_errmsg (-1)); + return; + } + + desc += 8; + descsz -= 8; + + int elfclass = gelf_getclass (ebl->elf); + char *elfident = elf_getident (ebl->elf, NULL); + GElf_Ehdr ehdr; + gelf_getehdr (ebl->elf, &ehdr); + + /* Prefix. */ + printf (" "); + if (prop.pr_type == GNU_PROPERTY_STACK_SIZE) + { + printf ("STACK_SIZE "); + if (prop.pr_datasz == 4 || prop.pr_datasz == 8) + { + GElf_Addr addr; + in.d_type = ELF_T_ADDR; + out.d_type = ELF_T_ADDR; + in.d_size = prop.pr_datasz; + out.d_size = sizeof (addr); + in.d_buf = (void *) desc; + out.d_buf = (void *) &addr; + + if (gelf_xlatetom (ebl->elf, &out, &in, + elfident[EI_DATA]) == NULL) + { + printf ("%s\n", elf_errmsg (-1)); + return; + } + printf ("%#" PRIx64 "\n", addr); + } + else + printf (" (garbage datasz: %" PRIx32 ")\n", + prop.pr_datasz); + } + else if (prop.pr_type == GNU_PROPERTY_NO_COPY_ON_PROTECTED) + { + printf ("NO_COPY_ON_PROTECTION"); + if (prop.pr_datasz == 0) + printf ("\n"); + else + printf (" (garbage datasz: %" PRIx32 ")\n", + prop.pr_datasz); + } + else if (prop.pr_type >= GNU_PROPERTY_LOPROC + && prop.pr_type <= GNU_PROPERTY_HIPROC + && (ehdr.e_machine == EM_386 + || ehdr.e_machine == EM_X86_64)) + { + printf ("X86 "); + if (prop.pr_type == GNU_PROPERTY_X86_FEATURE_1_AND) + { + printf ("FEATURE_1_AND: "); + + if (prop.pr_datasz == 4) + { + GElf_Word data; + in.d_type = ELF_T_WORD; + out.d_type = ELF_T_WORD; + in.d_size = 4; + out.d_size = 4; + in.d_buf = (void *) desc; + out.d_buf = (void *) &data; + + if (gelf_xlatetom (ebl->elf, &out, &in, + elfident[EI_DATA]) == NULL) + { + printf ("%s\n", elf_errmsg (-1)); + return; + } + printf ("%08" PRIx32 " ", data); + + if ((data & GNU_PROPERTY_X86_FEATURE_1_IBT) + != 0) + { + printf ("IBT"); + data &= ~GNU_PROPERTY_X86_FEATURE_1_IBT; + if (data != 0) + printf (" "); + } + + if ((data & GNU_PROPERTY_X86_FEATURE_1_SHSTK) + != 0) + { + printf ("SHSTK"); + data &= ~GNU_PROPERTY_X86_FEATURE_1_SHSTK; + if (data != 0) + printf (" "); + } + + if (data != 0) + printf ("UNKNOWN"); + } + else + printf ("<bad datasz: %" PRId32 ">", + prop.pr_datasz); + + printf ("\n"); + } + else + { + printf ("%#" PRIx32, prop.pr_type); + if (prop.pr_datasz > 0) + { + printf (" data: "); + size_t i; + for (i = 0; i < prop.pr_datasz - 1; i++) + printf ("%02" PRIx8 " ", (uint8_t) desc[i]); + printf ("%02" PRIx8 "\n", (uint8_t) desc[i]); + } + } + } + else + { + if (prop.pr_type >= GNU_PROPERTY_LOPROC + && prop.pr_type <= GNU_PROPERTY_HIPROC) + printf ("proc_type %#" PRIx32, prop.pr_type); + else if (prop.pr_type >= GNU_PROPERTY_LOUSER + && prop.pr_type <= GNU_PROPERTY_HIUSER) + printf ("app_type %#" PRIx32, prop.pr_type); + else + printf ("unknown_type %#" PRIx32, prop.pr_type); + + if (prop.pr_datasz > 0) + { + printf (" data: "); + size_t i; + for (i = 0; i < prop.pr_datasz - 1; i++) + printf ("%02" PRIx8 " ", (uint8_t) desc[i]); + printf ("%02" PRIx8 "\n", (uint8_t) desc[i]); + } + } + if (elfclass == ELFCLASS32) + { + desc += NOTE_ALIGN4 (prop.pr_datasz); + descsz -= NOTE_ALIGN4 (prop.pr_datasz); + } + else + { + desc += NOTE_ALIGN8 (prop.pr_datasz); + descsz -= NOTE_ALIGN8 (prop.pr_datasz); + } + } + } + break; + case NT_GNU_ABI_TAG: if (strcmp (name, "GNU") == 0 && descsz >= 8 && descsz % 4 == 0) { |