diff options
Diffstat (limited to 'binutils')
| -rw-r--r-- | binutils/ChangeLog | 5 | ||||
| -rw-r--r-- | binutils/readelf.c | 90 |
2 files changed, 83 insertions, 12 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 63bf0d4..f481dbf 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,8 @@ +2011-02-24 Zachary T Welch <zwelch@codesourcery.com> + + * readelf.c (decode_arm_unwind): Implement decoding of remaining + ARM unwind instructions (i.e. VFP/NEON and Intel Wireless MMX). + 2011-02-23 Kai Tietz <kai.tietz@onevision.com> * dwarf.c (read_leb128): Use bfd_vma instead of diff --git a/binutils/readelf.c b/binutils/readelf.c index 0607d89..d17537a 100644 --- a/binutils/readelf.c +++ b/binutils/readelf.c @@ -278,10 +278,13 @@ print_mode; already been called and verified that the string exists. */ #define GET_DYNAMIC_NAME(offset) (dynamic_strings + offset) -#define REMOVE_ARCH_BITS(ADDR) do { \ - if (elf_header.e_machine == EM_ARM) \ - (ADDR) &= ~1; \ - } while (0) +#define REMOVE_ARCH_BITS(ADDR) \ + do \ + { \ + if (elf_header.e_machine == EM_ARM) \ + (ADDR) &= ~1; \ + } \ + while (0) static void * get_data (void * var, FILE * file, long offset, size_t size, size_t nmemb, @@ -1879,7 +1882,7 @@ get_machine_name (unsigned e_machine) case EM_S390_OLD: case EM_S390: return "IBM S/390"; case EM_SCORE: return "SUNPLUS S+Core"; - case EM_XSTORMY16: return "Sanyo Xstormy16 CPU core"; + case EM_XSTORMY16: return "Sanyo XStormy16 CPU core"; case EM_OPENRISC: case EM_OR32: return "OpenRISC"; case EM_ARC_A5: return "ARC International ARCompact processor"; @@ -6468,11 +6471,13 @@ decode_arm_unwind (struct arm_unw_aux_info *aux, if ((op & 0xc0) == 0x00) { int offset = ((op & 0x3f) << 2) + 4; + printf (" vsp = vsp + %d", offset); } else if ((op & 0xc0) == 0x40) { int offset = ((op & 0x3f) << 2) + 4; + printf (" vsp = vsp - %d", offset); } else if ((op & 0xf0) == 0x80) @@ -6511,6 +6516,7 @@ decode_arm_unwind (struct arm_unw_aux_info *aux, int end = 4 + (op & 0x07); int first = 1; int i; + printf (" pop {"); for (i = 4; i <= end; i++) { @@ -6540,6 +6546,7 @@ decode_arm_unwind (struct arm_unw_aux_info *aux, unsigned int mask = op2 & 0x0f; int first = 1; int i; + printf ("pop {"); for (i = 0; i < 12; i++) if (mask & (1 << i)) @@ -6558,6 +6565,7 @@ decode_arm_unwind (struct arm_unw_aux_info *aux, unsigned char buf[9]; unsigned int i, len; unsigned long offset; + for (i = 0; i < sizeof (buf); i++) { GET_OP (buf[i]); @@ -6570,18 +6578,76 @@ decode_arm_unwind (struct arm_unw_aux_info *aux, offset = offset * 4 + 0x204; printf ("vsp = vsp + %ld", offset); } - else + else if (op == 0xb3 || op == 0xc8 || op == 0xc9) { - if (op == 0xb3 || op == 0xc6 || op == 0xc7 || op == 0xc8 || op == 0xc9) - { - GET_OP (op2); - printf (_("[unsupported two-byte opcode]")); - } + unsigned int first, last; + + GET_OP (op2); + first = op2 >> 4; + last = op2 & 0x0f; + if (op == 0xc8) + first = first + 16; + printf ("pop {D%d", first); + if (last) + printf ("-D%d", first + last); + printf ("}"); + } + else if ((op & 0xf8) == 0xb8 || (op & 0xf8) == 0xd0) + { + unsigned int count = op & 0x07; + + printf ("pop {D8"); + if (count) + printf ("-D%d", 8 + count); + printf ("}"); + } + else if (op >= 0xc0 && op <= 0xc5) + { + unsigned int count = op & 0x07; + + printf (" pop {wR10"); + if (count) + printf ("-wR%d", 10 + count); + printf ("}"); + } + else if (op == 0xc6) + { + unsigned int first, last; + + GET_OP (op2); + first = op2 >> 4; + last = op2 & 0x0f; + printf ("pop {wR%d", first); + if (last) + printf ("-wR%d", first + last); + printf ("}"); + } + else if (op == 0xc7) + { + GET_OP (op2); + if (op2 == 0 || (op2 & 0xf0) != 0) + printf (_("[Spare]")); else { - printf (_(" [unsupported opcode]")); + unsigned int mask = op2 & 0x0f; + int first = 1; + int i; + + printf ("pop {"); + for (i = 0; i < 4; i++) + if (mask & (1 << i)) + { + if (first) + first = 0; + else + printf (", "); + printf ("wCGR%d", i); + } + printf ("}"); } } + else + printf (_(" [unsupported opcode]")); printf ("\n"); } |