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* readelf.c (decode_arm_unwind): Implement decoding of remaining 

ARM unwind instructions (i.e. VFP/NEON and Intel Wireless MMX).
This commit is contained in:
Nick Clifton 2011-02-24 11:57:26 +00:00
parent a04b0428ab
commit 61865e301b
2 changed files with 83 additions and 12 deletions
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5
binutils/ChangeLog
View File

@ -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

90
binutils/readelf.c
View File

@ -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");
}