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2010-03-07 Michael Snyder <msnyder@vmware.com>

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* i386-tdep.c (i386_process_record): Rename tmpu8 to opcode8 and
	regnum.
This commit is contained in:
Michael Snyder 2010-03-08 00:31:28 +00:00
parent 6a21634824
commit 425b824a1e
2 changed files with 39 additions and 31 deletions
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5
gdb/ChangeLog
View File

@ -1,3 +1,8 @@
2010-03-07 Michael Snyder <msnyder@vmware.com>
* i386-tdep.c (i386_process_record): Rename tmpu8 to opcode8 and
regnum.
2010-03-07 Joel Brobecker <brobecker@adacore.com>
* remote.c (remote_get_ada_task_ptid): New function.

65
gdb/i386-tdep.c
View File

@ -3310,11 +3310,12 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
CORE_ADDR addr)
{
int prefixes = 0;
uint8_t tmpu8;
int regnum;
uint32_t opcode;
uint8_t opcode8;
uint16_t tmpu16;
uint32_t tmpu32;
ULONGEST tmpulongest;
uint32_t opcode;
struct i386_record_s ir;
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int rex = 0;
@ -3340,7 +3341,7 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
/* prefixes */
while (1)
{
if (target_read_memory (ir.addr, &tmpu8, 1))
if (target_read_memory (ir.addr, &opcode8, 1))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory at "
@ -3349,7 +3350,7 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
return -1;
}
ir.addr++;
switch (tmpu8) /* Instruction prefixes */
switch (opcode8) /* Instruction prefixes */
{
case REPE_PREFIX_OPCODE:
prefixes |= PREFIX_REPZ;
@ -3404,10 +3405,10 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
{
/* REX */
rex = 1;
rex_w = (tmpu8 >> 3) & 1;
rex_r = (tmpu8 & 0x4) << 1;
ir.rex_x = (tmpu8 & 0x2) << 2;
ir.rex_b = (tmpu8 & 0x1) << 3;
rex_w = (opcode8 >> 3) & 1;
rex_r = (opcode8 & 0x4) << 1;
ir.rex_x = (opcode8 & 0x2) << 2;
ir.rex_b = (opcode8 & 0x1) << 3;
}
else /* 32 bit target */
goto out_prefixes;
@ -3433,12 +3434,12 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
ir.aflag = 2;
/* now check op code */
opcode = (uint32_t) tmpu8;
opcode = (uint32_t) opcode8;
reswitch:
switch (opcode)
{
case 0x0f:
if (target_read_memory (ir.addr, &tmpu8, 1))
if (target_read_memory (ir.addr, &opcode8, 1))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory at "
@ -3447,7 +3448,7 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
return -1;
}
ir.addr++;
opcode = (uint16_t) tmpu8 | 0x0f00;
opcode = (uint16_t) opcode8 | 0x0f00;
goto reswitch;
break;
@ -3876,9 +3877,10 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
ir.addr -= 1;
goto no_support;
}
for (tmpu8 = X86_RECORD_REAX_REGNUM; tmpu8 <= X86_RECORD_REDI_REGNUM;
tmpu8++)
I386_RECORD_ARCH_LIST_ADD_REG (tmpu8);
for (regnum = X86_RECORD_REAX_REGNUM;
regnum <= X86_RECORD_REDI_REGNUM;
regnum++)
I386_RECORD_ARCH_LIST_ADD_REG (regnum);
break;
case 0x8f: /* pop */
@ -4026,19 +4028,19 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
switch (ir.reg)
{
case 0:
tmpu8 = X86_RECORD_ES_REGNUM;
regnum = X86_RECORD_ES_REGNUM;
break;
case 2:
tmpu8 = X86_RECORD_SS_REGNUM;
regnum = X86_RECORD_SS_REGNUM;
break;
case 3:
tmpu8 = X86_RECORD_DS_REGNUM;
regnum = X86_RECORD_DS_REGNUM;
break;
case 4:
tmpu8 = X86_RECORD_FS_REGNUM;
regnum = X86_RECORD_FS_REGNUM;
break;
case 5:
tmpu8 = X86_RECORD_GS_REGNUM;
regnum = X86_RECORD_GS_REGNUM;
break;
default:
ir.addr -= 2;
@ -4046,7 +4048,7 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
goto no_support;
break;
}
I386_RECORD_ARCH_LIST_ADD_REG (tmpu8);
I386_RECORD_ARCH_LIST_ADD_REG (regnum);
I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
@ -4226,22 +4228,22 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
switch (opcode)
{
case 0xc4: /* les Gv */
tmpu8 = X86_RECORD_ES_REGNUM;
regnum = X86_RECORD_ES_REGNUM;
break;
case 0xc5: /* lds Gv */
tmpu8 = X86_RECORD_DS_REGNUM;
regnum = X86_RECORD_DS_REGNUM;
break;
case 0x0fb2: /* lss Gv */
tmpu8 = X86_RECORD_SS_REGNUM;
regnum = X86_RECORD_SS_REGNUM;
break;
case 0x0fb4: /* lfs Gv */
tmpu8 = X86_RECORD_FS_REGNUM;
regnum = X86_RECORD_FS_REGNUM;
break;
case 0x0fb5: /* lgs Gv */
tmpu8 = X86_RECORD_GS_REGNUM;
regnum = X86_RECORD_GS_REGNUM;
break;
}
I386_RECORD_ARCH_LIST_ADD_REG (tmpu8);
I386_RECORD_ARCH_LIST_ADD_REG (regnum);
I386_RECORD_ARCH_LIST_ADD_REG (ir.reg | rex_r);
I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
@ -5093,7 +5095,7 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
break;
case 0x9b: /* fwait */
if (target_read_memory (ir.addr, &tmpu8, 1))
if (target_read_memory (ir.addr, &opcode8, 1))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory at "
@ -5101,7 +5103,7 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
paddress (gdbarch, ir.addr));
return -1;
}
opcode = (uint32_t) tmpu8;
opcode = (uint32_t) opcode8;
ir.addr++;
goto reswitch;
break;
@ -5118,7 +5120,8 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
case 0xcd: /* int */
{
int ret;
if (target_read_memory (ir.addr, &tmpu8, 1))
uint8_t interrupt;
if (target_read_memory (ir.addr, &interrupt, 1))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory "
@ -5127,12 +5130,12 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
return -1;
}
ir.addr++;
if (tmpu8 != 0x80
if (interrupt != 0x80
|| gdbarch_tdep (gdbarch)->i386_intx80_record == NULL)
{
printf_unfiltered (_("Process record doesn't support "
"instruction int 0x%02x.\n"),
tmpu8);
interrupt);
ir.addr -= 2;
goto no_support;
}