aboutsummaryrefslogtreecommitdiff
path: root/gdb/mips-linux-tdep.c
diff options
context:
space:
mode:
Diffstat (limited to 'gdb/mips-linux-tdep.c')
-rw-r--r--gdb/mips-linux-tdep.c209
1 files changed, 115 insertions, 94 deletions
diff --git a/gdb/mips-linux-tdep.c b/gdb/mips-linux-tdep.c
index dd04af0..2407cc7 100644
--- a/gdb/mips-linux-tdep.c
+++ b/gdb/mips-linux-tdep.c
@@ -69,53 +69,55 @@ mips_linux_get_longjmp_target (CORE_ADDR *pc)
is 8. */
static void
-supply_32bit_reg (int regnum, const void *addr)
+supply_32bit_reg (struct regcache *regcache, int regnum, const void *addr)
{
gdb_byte buf[MAX_REGISTER_SIZE];
store_signed_integer (buf, register_size (current_gdbarch, regnum),
extract_signed_integer (addr, 4));
- regcache_raw_supply (current_regcache, regnum, buf);
+ regcache_raw_supply (regcache, regnum, buf);
}
/* Unpack an elf_gregset_t into GDB's register cache. */
void
-mips_supply_gregset (mips_elf_gregset_t *gregsetp)
+mips_supply_gregset (struct regcache *regcache,
+ const mips_elf_gregset_t *gregsetp)
{
int regi;
- mips_elf_greg_t *regp = *gregsetp;
+ const mips_elf_greg_t *regp = *gregsetp;
char zerobuf[MAX_REGISTER_SIZE];
memset (zerobuf, 0, MAX_REGISTER_SIZE);
for (regi = EF_REG0; regi <= EF_REG31; regi++)
- supply_32bit_reg ((regi - EF_REG0), (char *)(regp + regi));
+ supply_32bit_reg (regcache, regi - EF_REG0, regp + regi);
- supply_32bit_reg (mips_regnum (current_gdbarch)->lo,
- (char *)(regp + EF_LO));
- supply_32bit_reg (mips_regnum (current_gdbarch)->hi,
- (char *)(regp + EF_HI));
+ supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->lo,
+ regp + EF_LO);
+ supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->hi,
+ regp + EF_HI);
- supply_32bit_reg (mips_regnum (current_gdbarch)->pc,
- (char *)(regp + EF_CP0_EPC));
- supply_32bit_reg (mips_regnum (current_gdbarch)->badvaddr,
- (char *)(regp + EF_CP0_BADVADDR));
- supply_32bit_reg (MIPS_PS_REGNUM, (char *)(regp + EF_CP0_STATUS));
- supply_32bit_reg (mips_regnum (current_gdbarch)->cause,
- (char *)(regp + EF_CP0_CAUSE));
+ supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->pc,
+ regp + EF_CP0_EPC);
+ supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->badvaddr,
+ regp + EF_CP0_BADVADDR);
+ supply_32bit_reg (regcache, MIPS_PS_REGNUM, regp + EF_CP0_STATUS);
+ supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->cause,
+ regp + EF_CP0_CAUSE);
/* Fill inaccessible registers with zero. */
- regcache_raw_supply (current_regcache, MIPS_UNUSED_REGNUM, zerobuf);
+ regcache_raw_supply (regcache, MIPS_UNUSED_REGNUM, zerobuf);
for (regi = MIPS_FIRST_EMBED_REGNUM;
regi < MIPS_LAST_EMBED_REGNUM;
regi++)
- regcache_raw_supply (current_regcache, regi, zerobuf);
+ regcache_raw_supply (regcache, regi, zerobuf);
}
/* Pack our registers (or one register) into an elf_gregset_t. */
void
-mips_fill_gregset (mips_elf_gregset_t *gregsetp, int regno)
+mips_fill_gregset (const struct regcache *regcache,
+ mips_elf_gregset_t *gregsetp, int regno)
{
int regaddr, regi;
mips_elf_greg_t *regp = *gregsetp;
@@ -125,21 +127,25 @@ mips_fill_gregset (mips_elf_gregset_t *gregsetp, int regno)
{
memset (regp, 0, sizeof (mips_elf_gregset_t));
for (regi = 0; regi < 32; regi++)
- mips_fill_gregset (gregsetp, regi);
- mips_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->lo);
- mips_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->hi);
- mips_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->pc);
- mips_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->badvaddr);
- mips_fill_gregset (gregsetp, MIPS_PS_REGNUM);
- mips_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->cause);
-
+ mips_fill_gregset (regcache, gregsetp, regi);
+ mips_fill_gregset (regcache, gregsetp,
+ mips_regnum (current_gdbarch)->lo);
+ mips_fill_gregset (regcache, gregsetp,
+ mips_regnum (current_gdbarch)->hi);
+ mips_fill_gregset (regcache, gregsetp,
+ mips_regnum (current_gdbarch)->pc);
+ mips_fill_gregset (regcache, gregsetp,
+ mips_regnum (current_gdbarch)->badvaddr);
+ mips_fill_gregset (regcache, gregsetp, MIPS_PS_REGNUM);
+ mips_fill_gregset (regcache, gregsetp,
+ mips_regnum (current_gdbarch)->cause);
return;
}
if (regno < 32)
{
dst = regp + regno + EF_REG0;
- regcache_raw_collect (current_regcache, regno, dst);
+ regcache_raw_collect (regcache, regno, dst);
return;
}
@@ -161,14 +167,15 @@ mips_fill_gregset (mips_elf_gregset_t *gregsetp, int regno)
if (regaddr != -1)
{
dst = regp + regaddr;
- regcache_raw_collect (current_regcache, regno, dst);
+ regcache_raw_collect (regcache, regno, dst);
}
}
/* Likewise, unpack an elf_fpregset_t. */
void
-mips_supply_fpregset (mips_elf_fpregset_t *fpregsetp)
+mips_supply_fpregset (struct regcache *regcache,
+ const mips_elf_fpregset_t *fpregsetp)
{
int regi;
char zerobuf[MAX_REGISTER_SIZE];
@@ -176,15 +183,14 @@ mips_supply_fpregset (mips_elf_fpregset_t *fpregsetp)
memset (zerobuf, 0, MAX_REGISTER_SIZE);
for (regi = 0; regi < 32; regi++)
- regcache_raw_supply (current_regcache, FP0_REGNUM + regi,
- (char *)(*fpregsetp + regi));
+ regcache_raw_supply (regcache, FP0_REGNUM + regi, *fpregsetp + regi);
- regcache_raw_supply (current_regcache,
+ regcache_raw_supply (regcache,
mips_regnum (current_gdbarch)->fp_control_status,
- (char *)(*fpregsetp + 32));
+ *fpregsetp + 32);
/* FIXME: how can we supply FCRIR? The ABI doesn't tell us. */
- regcache_raw_supply (current_regcache,
+ regcache_raw_supply (regcache,
mips_regnum (current_gdbarch)->fp_implementation_revision,
zerobuf);
}
@@ -193,27 +199,28 @@ mips_supply_fpregset (mips_elf_fpregset_t *fpregsetp)
elf_fpregset_t. */
void
-mips_fill_fpregset (mips_elf_fpregset_t *fpregsetp, int regno)
+mips_fill_fpregset (const struct regcache *regcache,
+ mips_elf_fpregset_t *fpregsetp, int regno)
{
char *from, *to;
if ((regno >= FP0_REGNUM) && (regno < FP0_REGNUM + 32))
{
to = (char *) (*fpregsetp + regno - FP0_REGNUM);
- regcache_raw_collect (current_regcache, regno, to);
+ regcache_raw_collect (regcache, regno, to);
}
else if (regno == mips_regnum (current_gdbarch)->fp_control_status)
{
to = (char *) (*fpregsetp + 32);
- regcache_raw_collect (current_regcache, regno, to);
+ regcache_raw_collect (regcache, regno, to);
}
else if (regno == -1)
{
int regi;
for (regi = 0; regi < 32; regi++)
- mips_fill_fpregset (fpregsetp, FP0_REGNUM + regi);
- mips_fill_fpregset (fpregsetp,
+ mips_fill_fpregset (regcache, fpregsetp, FP0_REGNUM + regi);
+ mips_fill_fpregset (regcache, fpregsetp,
mips_regnum (current_gdbarch)->fp_control_status);
}
}
@@ -255,55 +262,59 @@ mips64_linux_get_longjmp_target (CORE_ADDR *pc)
/* Supply a 64-bit register. */
void
-supply_64bit_reg (int regnum, const gdb_byte *buf)
+supply_64bit_reg (struct regcache *regcache, int regnum,
+ const gdb_byte *buf)
{
if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG
&& register_size (current_gdbarch, regnum) == 4)
- regcache_raw_supply (current_regcache, regnum, buf + 4);
+ regcache_raw_supply (regcache, regnum, buf + 4);
else
- regcache_raw_supply (current_regcache, regnum, buf);
+ regcache_raw_supply (regcache, regnum, buf);
}
/* Unpack a 64-bit elf_gregset_t into GDB's register cache. */
void
-mips64_supply_gregset (mips64_elf_gregset_t *gregsetp)
+mips64_supply_gregset (struct regcache *regcache,
+ const mips64_elf_gregset_t *gregsetp)
{
int regi;
- mips64_elf_greg_t *regp = *gregsetp;
+ const mips64_elf_greg_t *regp = *gregsetp;
gdb_byte zerobuf[MAX_REGISTER_SIZE];
memset (zerobuf, 0, MAX_REGISTER_SIZE);
for (regi = MIPS64_EF_REG0; regi <= MIPS64_EF_REG31; regi++)
- supply_64bit_reg (regi - MIPS64_EF_REG0, (gdb_byte *)(regp + regi));
-
- supply_64bit_reg (mips_regnum (current_gdbarch)->lo,
- (gdb_byte *) (regp + MIPS64_EF_LO));
- supply_64bit_reg (mips_regnum (current_gdbarch)->hi,
- (gdb_byte *) (regp + MIPS64_EF_HI));
-
- supply_64bit_reg (mips_regnum (current_gdbarch)->pc,
- (gdb_byte *) (regp + MIPS64_EF_CP0_EPC));
- supply_64bit_reg (mips_regnum (current_gdbarch)->badvaddr,
- (gdb_byte *) (regp + MIPS64_EF_CP0_BADVADDR));
- supply_64bit_reg (MIPS_PS_REGNUM,
- (gdb_byte *) (regp + MIPS64_EF_CP0_STATUS));
- supply_64bit_reg (mips_regnum (current_gdbarch)->cause,
- (gdb_byte *) (regp + MIPS64_EF_CP0_CAUSE));
+ supply_64bit_reg (regcache, regi - MIPS64_EF_REG0,
+ (const gdb_byte *)(regp + regi));
+
+ supply_64bit_reg (regcache, mips_regnum (current_gdbarch)->lo,
+ (const gdb_byte *) (regp + MIPS64_EF_LO));
+ supply_64bit_reg (regcache, mips_regnum (current_gdbarch)->hi,
+ (const gdb_byte *) (regp + MIPS64_EF_HI));
+
+ supply_64bit_reg (regcache, mips_regnum (current_gdbarch)->pc,
+ (const gdb_byte *) (regp + MIPS64_EF_CP0_EPC));
+ supply_64bit_reg (regcache, mips_regnum (current_gdbarch)->badvaddr,
+ (const gdb_byte *) (regp + MIPS64_EF_CP0_BADVADDR));
+ supply_64bit_reg (regcache, MIPS_PS_REGNUM,
+ (const gdb_byte *) (regp + MIPS64_EF_CP0_STATUS));
+ supply_64bit_reg (regcache, mips_regnum (current_gdbarch)->cause,
+ (const gdb_byte *) (regp + MIPS64_EF_CP0_CAUSE));
/* Fill inaccessible registers with zero. */
- regcache_raw_supply (current_regcache, MIPS_UNUSED_REGNUM, zerobuf);
+ regcache_raw_supply (regcache, MIPS_UNUSED_REGNUM, zerobuf);
for (regi = MIPS_FIRST_EMBED_REGNUM;
regi < MIPS_LAST_EMBED_REGNUM;
regi++)
- regcache_raw_supply (current_regcache, regi, zerobuf);
+ regcache_raw_supply (regcache, regi, zerobuf);
}
/* Pack our registers (or one register) into a 64-bit elf_gregset_t. */
void
-mips64_fill_gregset (mips64_elf_gregset_t *gregsetp, int regno)
+mips64_fill_gregset (const struct regcache *regcache,
+ mips64_elf_gregset_t *gregsetp, int regno)
{
int regaddr, regi;
mips64_elf_greg_t *regp = *gregsetp;
@@ -313,16 +324,18 @@ mips64_fill_gregset (mips64_elf_gregset_t *gregsetp, int regno)
{
memset (regp, 0, sizeof (mips64_elf_gregset_t));
for (regi = 0; regi < 32; regi++)
- mips64_fill_gregset (gregsetp, regi);
- mips64_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->lo);
- mips64_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->hi);
- mips64_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->pc);
- mips64_fill_gregset (gregsetp,
+ mips64_fill_gregset (regcache, gregsetp, regi);
+ mips64_fill_gregset (regcache, gregsetp,
+ mips_regnum (current_gdbarch)->lo);
+ mips64_fill_gregset (regcache, gregsetp,
+ mips_regnum (current_gdbarch)->hi);
+ mips64_fill_gregset (regcache, gregsetp,
+ mips_regnum (current_gdbarch)->pc);
+ mips64_fill_gregset (regcache, gregsetp,
mips_regnum (current_gdbarch)->badvaddr);
- mips64_fill_gregset (gregsetp, MIPS_PS_REGNUM);
- mips64_fill_gregset (gregsetp,
+ mips64_fill_gregset (regcache, gregsetp, MIPS_PS_REGNUM);
+ mips64_fill_gregset (regcache, gregsetp,
mips_regnum (current_gdbarch)->cause);
-
return;
}
@@ -348,7 +361,7 @@ mips64_fill_gregset (mips64_elf_gregset_t *gregsetp, int regno)
gdb_byte buf[MAX_REGISTER_SIZE];
LONGEST val;
- regcache_raw_collect (current_regcache, regno, buf);
+ regcache_raw_collect (regcache, regno, buf);
val = extract_signed_integer (buf,
register_size (current_gdbarch, regno));
dst = regp + regaddr;
@@ -359,7 +372,8 @@ mips64_fill_gregset (mips64_elf_gregset_t *gregsetp, int regno)
/* Likewise, unpack an elf_fpregset_t. */
void
-mips64_supply_fpregset (mips64_elf_fpregset_t *fpregsetp)
+mips64_supply_fpregset (struct regcache *regcache,
+ const mips64_elf_fpregset_t *fpregsetp)
{
int regi;
@@ -368,31 +382,33 @@ mips64_supply_fpregset (mips64_elf_fpregset_t *fpregsetp)
if (register_size (current_gdbarch, FP0_REGNUM) == 4)
for (regi = 0; regi < 32; regi++)
{
- gdb_byte *reg_ptr = (gdb_byte *) (*fpregsetp + (regi & ~1));
+ const gdb_byte *reg_ptr = (const gdb_byte *)(*fpregsetp + (regi & ~1));
if ((TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) != (regi & 1))
reg_ptr += 4;
- regcache_raw_supply (current_regcache, FP0_REGNUM + regi, reg_ptr);
+ regcache_raw_supply (regcache, FP0_REGNUM + regi, reg_ptr);
}
else
for (regi = 0; regi < 32; regi++)
- regcache_raw_supply (current_regcache, FP0_REGNUM + regi,
- (char *)(*fpregsetp + regi));
+ regcache_raw_supply (regcache, FP0_REGNUM + regi,
+ (const char *)(*fpregsetp + regi));
- supply_32bit_reg (mips_regnum (current_gdbarch)->fp_control_status,
- (gdb_byte *)(*fpregsetp + 32));
+ supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->fp_control_status,
+ (const gdb_byte *)(*fpregsetp + 32));
/* The ABI doesn't tell us how to supply FCRIR, and core dumps don't
include it - but the result of PTRACE_GETFPREGS does. The best we
can do is to assume that its value is present. */
- supply_32bit_reg (mips_regnum (current_gdbarch)->fp_implementation_revision,
- (gdb_byte *)(*fpregsetp + 32) + 4);
+ supply_32bit_reg (regcache,
+ mips_regnum (current_gdbarch)->fp_implementation_revision,
+ (const gdb_byte *)(*fpregsetp + 32) + 4);
}
/* Likewise, pack one or all floating point registers into an
elf_fpregset_t. */
void
-mips64_fill_fpregset (mips64_elf_fpregset_t *fpregsetp, int regno)
+mips64_fill_fpregset (const struct regcache *regcache,
+ mips64_elf_fpregset_t *fpregsetp, int regno)
{
gdb_byte *to;
@@ -407,12 +423,12 @@ mips64_fill_fpregset (mips64_elf_fpregset_t *fpregsetp, int regno)
to = (gdb_byte *) (*fpregsetp + (regi & ~1));
if ((TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) != (regi & 1))
to += 4;
- regcache_raw_collect (current_regcache, regno, to);
+ regcache_raw_collect (regcache, regno, to);
}
else
{
to = (gdb_byte *) (*fpregsetp + regno - FP0_REGNUM);
- regcache_raw_collect (current_regcache, regno, to);
+ regcache_raw_collect (regcache, regno, to);
}
}
else if (regno == mips_regnum (current_gdbarch)->fp_control_status)
@@ -420,7 +436,7 @@ mips64_fill_fpregset (mips64_elf_fpregset_t *fpregsetp, int regno)
gdb_byte buf[MAX_REGISTER_SIZE];
LONGEST val;
- regcache_raw_collect (current_regcache, regno, buf);
+ regcache_raw_collect (regcache, regno, buf);
val = extract_signed_integer (buf,
register_size (current_gdbarch, regno));
to = (gdb_byte *) (*fpregsetp + 32);
@@ -431,7 +447,7 @@ mips64_fill_fpregset (mips64_elf_fpregset_t *fpregsetp, int regno)
gdb_byte buf[MAX_REGISTER_SIZE];
LONGEST val;
- regcache_raw_collect (current_regcache, regno, buf);
+ regcache_raw_collect (regcache, regno, buf);
val = extract_signed_integer (buf,
register_size (current_gdbarch, regno));
to = (gdb_byte *) (*fpregsetp + 32) + 4;
@@ -442,11 +458,12 @@ mips64_fill_fpregset (mips64_elf_fpregset_t *fpregsetp, int regno)
int regi;
for (regi = 0; regi < 32; regi++)
- mips64_fill_fpregset (fpregsetp, FP0_REGNUM + regi);
- mips64_fill_fpregset (fpregsetp,
+ mips64_fill_fpregset (regcache, fpregsetp, FP0_REGNUM + regi);
+ mips64_fill_fpregset (regcache, fpregsetp,
mips_regnum (current_gdbarch)->fp_control_status);
- mips64_fill_fpregset (fpregsetp, (mips_regnum (current_gdbarch)
- ->fp_implementation_revision));
+ mips64_fill_fpregset (regcache, fpregsetp,
+ (mips_regnum (current_gdbarch)
+ ->fp_implementation_revision));
}
}
@@ -468,12 +485,14 @@ fetch_core_registers (char *core_reg_sect, unsigned core_reg_size,
if (core_reg_size == sizeof (gregset))
{
memcpy ((char *) &gregset, core_reg_sect, sizeof (gregset));
- mips_supply_gregset (&gregset);
+ mips_supply_gregset (current_regcache,
+ (const mips_elf_gregset_t *) &gregset);
}
else if (core_reg_size == sizeof (gregset64))
{
memcpy ((char *) &gregset64, core_reg_sect, sizeof (gregset64));
- mips64_supply_gregset (&gregset64);
+ mips64_supply_gregset (current_regcache,
+ (const mips64_elf_gregset_t *) &gregset64);
}
else
{
@@ -485,13 +504,15 @@ fetch_core_registers (char *core_reg_sect, unsigned core_reg_size,
if (core_reg_size == sizeof (fpregset))
{
memcpy ((char *) &fpregset, core_reg_sect, sizeof (fpregset));
- mips_supply_fpregset (&fpregset);
+ mips_supply_fpregset (current_regcache,
+ (const mips_elf_fpregset_t *) &fpregset);
}
else if (core_reg_size == sizeof (fpregset64))
{
memcpy ((char *) &fpregset64, core_reg_sect,
sizeof (fpregset64));
- mips64_supply_fpregset (&fpregset64);
+ mips64_supply_fpregset (current_regcache,
+ (const mips64_elf_fpregset_t *) &fpregset64);
}
else
{
generated by cgit v1.1 at 2024-11-24 14:51:51 +0000