diff options
Diffstat (limited to 'contrib/binutils/bfd/elfarm-nabi.c')
| -rw-r--r-- | contrib/binutils/bfd/elfarm-nabi.c | 117 |
1 files changed, 96 insertions, 21 deletions
diff --git a/contrib/binutils/bfd/elfarm-nabi.c b/contrib/binutils/bfd/elfarm-nabi.c index ee91e36..7ced680 100644 --- a/contrib/binutils/bfd/elfarm-nabi.c +++ b/contrib/binutils/bfd/elfarm-nabi.c @@ -42,6 +42,10 @@ static reloc_howto_type * elf32_arm_reloc_type_lookup PARAMS ((bfd * abfd, bfd_reloc_code_real_type code)); +static boolean elf32_arm_nabi_grok_prstatus + PARAMS ((bfd *abfd, Elf_Internal_Note *note)); +static boolean elf32_arm_nabi_grok_psinfo + PARAMS ((bfd *abfd, Elf_Internal_Note *note)); /* Note: code such as elf32_arm_reloc_type_lookup expect to use e.g. R_ARM_PC24 as an index into this, and find the R_ARM_PC24 HOWTO @@ -578,6 +582,9 @@ static reloc_howto_type elf32_arm_thm_pc9_howto = 0x000000ff, /* dst_mask */ true); /* pcrel_offset */ +static void elf32_arm_info_to_howto + PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *)); + static void elf32_arm_info_to_howto (abfd, bfd_reloc, elf_reloc) bfd * abfd ATTRIBUTE_UNUSED; @@ -622,27 +629,27 @@ struct elf32_arm_reloc_map }; static const struct elf32_arm_reloc_map elf32_arm_reloc_map[] = -{ - {BFD_RELOC_NONE, R_ARM_NONE}, - {BFD_RELOC_ARM_PCREL_BRANCH, R_ARM_PC24}, - {BFD_RELOC_ARM_PCREL_BLX, R_ARM_XPC25}, - {BFD_RELOC_THUMB_PCREL_BLX, R_ARM_THM_XPC22}, - {BFD_RELOC_32, R_ARM_ABS32}, - {BFD_RELOC_32_PCREL, R_ARM_REL32}, - {BFD_RELOC_8, R_ARM_ABS8}, - {BFD_RELOC_16, R_ARM_ABS16}, - {BFD_RELOC_ARM_OFFSET_IMM, R_ARM_ABS12}, - {BFD_RELOC_ARM_THUMB_OFFSET, R_ARM_THM_ABS5}, - {BFD_RELOC_THUMB_PCREL_BRANCH23, R_ARM_THM_PC22}, - {BFD_RELOC_ARM_COPY, R_ARM_COPY}, - {BFD_RELOC_ARM_GLOB_DAT, R_ARM_GLOB_DAT}, - {BFD_RELOC_ARM_JUMP_SLOT, R_ARM_JUMP_SLOT}, - {BFD_RELOC_ARM_RELATIVE, R_ARM_RELATIVE}, - {BFD_RELOC_ARM_GOTOFF, R_ARM_GOTOFF}, - {BFD_RELOC_ARM_GOTPC, R_ARM_GOTPC}, - {BFD_RELOC_ARM_GOT32, R_ARM_GOT32}, - {BFD_RELOC_ARM_PLT32, R_ARM_PLT32} -}; + { + {BFD_RELOC_NONE, R_ARM_NONE}, + {BFD_RELOC_ARM_PCREL_BRANCH, R_ARM_PC24}, + {BFD_RELOC_ARM_PCREL_BLX, R_ARM_XPC25}, + {BFD_RELOC_THUMB_PCREL_BLX, R_ARM_THM_XPC22}, + {BFD_RELOC_32, R_ARM_ABS32}, + {BFD_RELOC_32_PCREL, R_ARM_REL32}, + {BFD_RELOC_8, R_ARM_ABS8}, + {BFD_RELOC_16, R_ARM_ABS16}, + {BFD_RELOC_ARM_OFFSET_IMM, R_ARM_ABS12}, + {BFD_RELOC_ARM_THUMB_OFFSET, R_ARM_THM_ABS5}, + {BFD_RELOC_THUMB_PCREL_BRANCH23, R_ARM_THM_PC22}, + {BFD_RELOC_ARM_COPY, R_ARM_COPY}, + {BFD_RELOC_ARM_GLOB_DAT, R_ARM_GLOB_DAT}, + {BFD_RELOC_ARM_JUMP_SLOT, R_ARM_JUMP_SLOT}, + {BFD_RELOC_ARM_RELATIVE, R_ARM_RELATIVE}, + {BFD_RELOC_ARM_GOTOFF, R_ARM_GOTOFF}, + {BFD_RELOC_ARM_GOTPC, R_ARM_GOTPC}, + {BFD_RELOC_ARM_GOT32, R_ARM_GOT32}, + {BFD_RELOC_ARM_PLT32, R_ARM_PLT32} + }; static reloc_howto_type * elf32_arm_reloc_type_lookup (abfd, code) @@ -674,4 +681,72 @@ elf32_arm_reloc_type_lookup (abfd, code) } } +/* Support for core dump NOTE sections */ +static boolean +elf32_arm_nabi_grok_prstatus (abfd, note) + bfd *abfd; + Elf_Internal_Note *note; +{ + int offset; + size_t raw_size; + + switch (note->descsz) + { + default: + return false; + + case 148: /* Linux/ARM 32-bit*/ + /* 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 + 24); + + /* pr_reg */ + offset = 72; + raw_size = 72; + + break; + } + + /* Make a ".reg/999" section. */ + return _bfd_elfcore_make_pseudosection (abfd, ".reg", + raw_size, note->descpos + offset); +} + +static boolean +elf32_arm_nabi_grok_psinfo (abfd, note) + bfd *abfd; + Elf_Internal_Note *note; +{ + switch (note->descsz) + { + default: + return false; + + case 124: /* Linux/ARM elf_prpsinfo */ + elf_tdata (abfd)->core_program + = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16); + elf_tdata (abfd)->core_command + = _bfd_elfcore_strndup (abfd, note->descdata + 44, 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; +} + +#define elf_backend_grok_prstatus elf32_arm_nabi_grok_prstatus +#define elf_backend_grok_psinfo elf32_arm_nabi_grok_psinfo + #include "elf32-arm.h" |
