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Diffstat (limited to 'gdb/i386-tdep.c')
-rw-r--r--gdb/i386-tdep.c145
1 files changed, 74 insertions, 71 deletions
diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c
index 41da3d6..bcda17c 100644
--- a/gdb/i386-tdep.c
+++ b/gdb/i386-tdep.c
@@ -2948,10 +2948,10 @@ static int
i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr)
{
struct gdbarch *gdbarch = irp->gdbarch;
- uint8_t tmpu8;
- int16_t tmpi16;
- int32_t tmpi32;
- ULONGEST tmpulongest;
+ int8_t addr8;
+ int16_t addr16;
+ int32_t addr32;
+ ULONGEST addr64;
*addr = 0;
if (irp->aflag)
@@ -2959,13 +2959,14 @@ i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr)
/* 32 bits */
int havesib = 0;
uint8_t scale = 0;
+ uint8_t byte;
uint8_t index = 0;
uint8_t base = irp->rm;
if (base == 4)
{
havesib = 1;
- if (target_read_memory (irp->addr, &tmpu8, 1))
+ if (target_read_memory (irp->addr, &byte, 1))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory "
@@ -2974,9 +2975,9 @@ i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr)
return -1;
}
irp->addr++;
- scale = (tmpu8 >> 6) & 3;
- index = ((tmpu8 >> 3) & 7) | irp->rex_x;
- base = (tmpu8 & 7);
+ scale = (byte >> 6) & 3;
+ index = ((byte >> 3) & 7) | irp->rex_x;
+ base = (byte & 7);
}
base |= irp->rex_b;
@@ -2986,7 +2987,7 @@ i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr)
if ((base & 7) == 5)
{
base = 0xff;
- if (target_read_memory (irp->addr, (gdb_byte *) &tmpi32, 4))
+ if (target_read_memory (irp->addr, (gdb_byte *) &addr32, 4))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading "
@@ -2995,7 +2996,7 @@ i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr)
return -1;
}
irp->addr += 4;
- *addr = tmpi32;
+ *addr = addr32;
if (irp->regmap[X86_RECORD_R8_REGNUM] && !havesib)
*addr += irp->addr + irp->rip_offset;
}
@@ -3005,7 +3006,7 @@ i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr)
}
break;
case 1:
- if (target_read_memory (irp->addr, &tmpu8, 1))
+ if (target_read_memory (irp->addr, &addr8, 1))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory "
@@ -3014,10 +3015,10 @@ i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr)
return -1;
}
irp->addr++;
- *addr = (int8_t) tmpu8;
+ *addr = addr8;
break;
case 2:
- if (target_read_memory (irp->addr, (gdb_byte *) &tmpi32, 4))
+ if (target_read_memory (irp->addr, (gdb_byte *) &addr32, 4))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory "
@@ -3025,34 +3026,34 @@ i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr)
paddress (gdbarch, irp->addr));
return -1;
}
- *addr = tmpi32;
+ *addr = addr32;
irp->addr += 4;
break;
}
- tmpulongest = 0;
+ addr64 = 0;
if (base != 0xff)
{
if (base == 4 && irp->popl_esp_hack)
*addr += irp->popl_esp_hack;
regcache_raw_read_unsigned (irp->regcache, irp->regmap[base],
- &tmpulongest);
+ &addr64);
}
if (irp->aflag == 2)
{
- *addr += tmpulongest;
+ *addr += addr64;
}
else
- *addr = (uint32_t) (tmpulongest + *addr);
+ *addr = (uint32_t) (addr64 + *addr);
if (havesib && (index != 4 || scale != 0))
{
regcache_raw_read_unsigned (irp->regcache, irp->regmap[index],
- &tmpulongest);
+ &addr64);
if (irp->aflag == 2)
- *addr += tmpulongest << scale;
+ *addr += addr64 << scale;
else
- *addr = (uint32_t) (*addr + (tmpulongest << scale));
+ *addr = (uint32_t) (*addr + (addr64 << scale));
}
}
else
@@ -3063,8 +3064,7 @@ i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr)
case 0:
if (irp->rm == 6)
{
- if (target_read_memory
- (irp->addr, (gdb_byte *) &tmpi16, 2))
+ if (target_read_memory (irp->addr, (gdb_byte *) &addr16, 2))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading "
@@ -3073,7 +3073,7 @@ i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr)
return -1;
}
irp->addr += 2;
- *addr = tmpi16;
+ *addr = addr16;
irp->rm = 0;
goto no_rm;
}
@@ -3083,7 +3083,7 @@ i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr)
}
break;
case 1:
- if (target_read_memory (irp->addr, &tmpu8, 1))
+ if (target_read_memory (irp->addr, &addr8, 1))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory "
@@ -3092,10 +3092,10 @@ i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr)
return -1;
}
irp->addr++;
- *addr = (int8_t) tmpu8;
+ *addr = addr8;
break;
case 2:
- if (target_read_memory (irp->addr, (gdb_byte *) &tmpi16, 2))
+ if (target_read_memory (irp->addr, (gdb_byte *) &addr16, 2))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory "
@@ -3104,7 +3104,7 @@ i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr)
return -1;
}
irp->addr += 2;
- *addr = tmpi16;
+ *addr = addr16;
break;
}
@@ -3113,66 +3113,66 @@ i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr)
case 0:
regcache_raw_read_unsigned (irp->regcache,
irp->regmap[X86_RECORD_REBX_REGNUM],
- &tmpulongest);
- *addr = (uint32_t) (*addr + tmpulongest);
+ &addr64);
+ *addr = (uint32_t) (*addr + addr64);
regcache_raw_read_unsigned (irp->regcache,
irp->regmap[X86_RECORD_RESI_REGNUM],
- &tmpulongest);
- *addr = (uint32_t) (*addr + tmpulongest);
+ &addr64);
+ *addr = (uint32_t) (*addr + addr64);
break;
case 1:
regcache_raw_read_unsigned (irp->regcache,
irp->regmap[X86_RECORD_REBX_REGNUM],
- &tmpulongest);
- *addr = (uint32_t) (*addr + tmpulongest);
+ &addr64);
+ *addr = (uint32_t) (*addr + addr64);
regcache_raw_read_unsigned (irp->regcache,
irp->regmap[X86_RECORD_REDI_REGNUM],
- &tmpulongest);
- *addr = (uint32_t) (*addr + tmpulongest);
+ &addr64);
+ *addr = (uint32_t) (*addr + addr64);
break;
case 2:
regcache_raw_read_unsigned (irp->regcache,
irp->regmap[X86_RECORD_REBP_REGNUM],
- &tmpulongest);
- *addr = (uint32_t) (*addr + tmpulongest);
+ &addr64);
+ *addr = (uint32_t) (*addr + addr64);
regcache_raw_read_unsigned (irp->regcache,
irp->regmap[X86_RECORD_RESI_REGNUM],
- &tmpulongest);
- *addr = (uint32_t) (*addr + tmpulongest);
+ &addr64);
+ *addr = (uint32_t) (*addr + addr64);
break;
case 3:
regcache_raw_read_unsigned (irp->regcache,
irp->regmap[X86_RECORD_REBP_REGNUM],
- &tmpulongest);
- *addr = (uint32_t) (*addr + tmpulongest);
+ &addr64);
+ *addr = (uint32_t) (*addr + addr64);
regcache_raw_read_unsigned (irp->regcache,
irp->regmap[X86_RECORD_REDI_REGNUM],
- &tmpulongest);
- *addr = (uint32_t) (*addr + tmpulongest);
+ &addr64);
+ *addr = (uint32_t) (*addr + addr64);
break;
case 4:
regcache_raw_read_unsigned (irp->regcache,
irp->regmap[X86_RECORD_RESI_REGNUM],
- &tmpulongest);
- *addr = (uint32_t) (*addr + tmpulongest);
+ &addr64);
+ *addr = (uint32_t) (*addr + addr64);
break;
case 5:
regcache_raw_read_unsigned (irp->regcache,
irp->regmap[X86_RECORD_REDI_REGNUM],
- &tmpulongest);
- *addr = (uint32_t) (*addr + tmpulongest);
+ &addr64);
+ *addr = (uint32_t) (*addr + addr64);
break;
case 6:
regcache_raw_read_unsigned (irp->regcache,
irp->regmap[X86_RECORD_REBP_REGNUM],
- &tmpulongest);
- *addr = (uint32_t) (*addr + tmpulongest);
+ &addr64);
+ *addr = (uint32_t) (*addr + addr64);
break;
case 7:
regcache_raw_read_unsigned (irp->regcache,
irp->regmap[X86_RECORD_REBX_REGNUM],
- &tmpulongest);
- *addr = (uint32_t) (*addr + tmpulongest);
+ &addr64);
+ *addr = (uint32_t) (*addr + addr64);
break;
}
*addr &= 0xffff;
@@ -3216,15 +3216,15 @@ i386_record_lea_modrm (struct i386_record_s *irp)
static int
i386_record_push (struct i386_record_s *irp, int size)
{
- ULONGEST tmpulongest;
+ ULONGEST addr;
if (record_arch_list_add_reg (irp->regcache,
irp->regmap[X86_RECORD_RESP_REGNUM]))
return -1;
regcache_raw_read_unsigned (irp->regcache,
irp->regmap[X86_RECORD_RESP_REGNUM],
- &tmpulongest);
- if (record_arch_list_add_mem ((CORE_ADDR) tmpulongest - size, size))
+ &addr);
+ if (record_arch_list_add_mem ((CORE_ADDR) addr - size, size))
return -1;
return 0;
@@ -3307,13 +3307,13 @@ static int i386_record_floats (struct gdbarch *gdbarch,
int
i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
- CORE_ADDR addr)
+ CORE_ADDR input_addr)
{
int prefixes = 0;
int regnum;
uint32_t opcode;
uint8_t opcode8;
- ULONGEST tmpulongest;
+ ULONGEST addr;
struct i386_record_s ir;
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int rex = 0;
@@ -3322,8 +3322,8 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
memset (&ir, 0, sizeof (struct i386_record_s));
ir.regcache = regcache;
- ir.addr = addr;
- ir.orig_addr = addr;
+ ir.addr = input_addr;
+ ir.orig_addr = input_addr;
ir.aflag = 1;
ir.dflag = 1;
ir.override = -1;
@@ -4100,7 +4100,9 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
ir.ot = ir.dflag + OT_WORD;
if (ir.aflag == 2)
{
- if (target_read_memory (ir.addr, (gdb_byte *) &addr, 8))
+ uint64_t addr64;
+
+ if (target_read_memory (ir.addr, (gdb_byte *) &addr64, 8))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading "
@@ -4109,6 +4111,7 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
return -1;
}
ir.addr += 8;
+ addr = addr64;
}
else if (ir.aflag)
{
@@ -4123,7 +4126,7 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
return -1;
}
ir.addr += 4;
- tmpulongest = addr32;
+ addr = addr32;
}
else
{
@@ -4138,9 +4141,9 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
return -1;
}
ir.addr += 2;
- tmpulongest = addr16;
+ addr = addr16;
}
- if (record_arch_list_add_mem (tmpulongest, 1 << ir.ot))
+ if (record_arch_list_add_mem (addr, 1 << ir.ot))
return -1;
}
break;
@@ -4748,8 +4751,8 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
case 0x6d:
regcache_raw_read_unsigned (ir.regcache,
ir.regmap[X86_RECORD_RECX_REGNUM],
- &tmpulongest);
- if (tmpulongest)
+ &addr);
+ if (addr)
{
ULONGEST es, ds;
@@ -4759,7 +4762,7 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
ir.ot = ir.dflag + OT_WORD;
regcache_raw_read_unsigned (ir.regcache,
ir.regmap[X86_RECORD_REDI_REGNUM],
- &tmpulongest);
+ &addr);
regcache_raw_read_unsigned (ir.regcache,
ir.regmap[X86_RECORD_ES_REGNUM],
@@ -4778,7 +4781,7 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
}
else
{
- if (record_arch_list_add_mem (tmpulongest, 1 << ir.ot))
+ if (record_arch_list_add_mem (addr, 1 << ir.ot))
return -1;
}
@@ -5044,17 +5047,17 @@ i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
return -1;
regcache_raw_read_unsigned (ir.regcache,
ir.regmap[ir.reg | rex_r],
- &tmpulongest);
+ &addr);
switch (ir.dflag)
{
case 0:
- addr64 += ((int16_t) tmpulongest >> 4) << 4;
+ addr64 += ((int16_t) addr >> 4) << 4;
break;
case 1:
- addr64 += ((int32_t) tmpulongest >> 5) << 5;
+ addr64 += ((int32_t) addr >> 5) << 5;
break;
case 2:
- addr64 += ((int64_t) tmpulongest >> 6) << 6;
+ addr64 += ((int64_t) addr >> 6) << 6;
break;
}
if (record_arch_list_add_mem (addr64, 1 << ir.ot))
generated by cgit v1.1 at 2024-11-26 23:01:39 +0000