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* amd64-linux-nat.c (GETFPREGS_SUPPLIES): Remove macro.

Browse source 
(fetch_regs, fetch_fpregs, store_regs, store_fpregs): Remove
functions.
(fetch_inferior_registers, store_inferior_registers): Rewrite.
This commit is contained in:
Mark Kettenis 2004-03-14 22:11:25 +00:00
parent 34021503e6
commit 99679982ac
2 changed files with 39 additions and 82 deletions
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5
gdb/ChangeLog
View file

@ -1,5 +1,10 @@
2004-03-14 Mark Kettenis <kettenis@gnu.org>
* amd64-linux-nat.c (GETFPREGS_SUPPLIES): Remove macro.
(fetch_regs, fetch_fpregs, store_regs, store_fpregs): Remove
functions.
(fetch_inferior_registers, store_inferior_registers): Rewrite.
* amd64-tdep.h (amd64_fill_fxsave): Remove prototype.
* amd64-tdep.c (amd64_fill_fxsave): Remove function.

116
gdb/amd64-linux-nat.c
View file

@ -96,12 +96,6 @@ static int amd64_linux_gregset32_reg_offset[] =
-1, -1, -1, -1, -1, -1, -1, -1, -1,
ORIG_RAX * 8 /* "orig_eax" */
};
/* Which ptrace request retrieves which registers?
These apply to the corresponding SET requests as well. */
#define GETFPREGS_SUPPLIES(regno) \
(FP0_REGNUM <= (regno) && (regno) <= MXCSR_REGNUM)
/* Transfering the general-purpose registers between GDB, inferiors
@ -126,38 +120,6 @@ fill_gregset (elf_gregset_t *gregsetp, int regnum)
amd64_collect_native_gregset (current_regcache, gregsetp, regnum);
}
/* Fetch all general-purpose registers from process/thread TID and
store their values in GDB's register cache. */
static void
fetch_regs (int tid)
{
elf_gregset_t regs;
if (ptrace (PTRACE_GETREGS, tid, 0, (long) &regs) < 0)
perror_with_name ("Couldn't get registers");
supply_gregset (&regs);
}
/* Store all valid general-purpose registers in GDB's register cache
into the process/thread specified by TID. */
static void
store_regs (int tid, int regnum)
{
elf_gregset_t regs;
if (ptrace (PTRACE_GETREGS, tid, 0, (long) &regs) < 0)
perror_with_name ("Couldn't get registers");
fill_gregset (&regs, regnum);
if (ptrace (PTRACE_SETREGS, tid, 0, (long) &regs) < 0)
perror_with_name ("Couldn't write registers");
}
/* Transfering floating-point registers between GDB, inferiors and cores. */
/* Fill GDB's register cache with the floating-point and SSE register
@ -178,37 +140,6 @@ fill_fpregset (elf_fpregset_t *fpregsetp, int regnum)
{
amd64_collect_fxsave (current_regcache, regnum, fpregsetp);
}
/* Fetch all floating-point registers from process/thread TID and store
thier values in GDB's register cache. */
static void
fetch_fpregs (int tid)
{
elf_fpregset_t fpregs;
if (ptrace (PTRACE_GETFPREGS, tid, 0, (long) &fpregs) < 0)
perror_with_name ("Couldn't get floating point status");
supply_fpregset (&fpregs);
}
/* Store all valid floating-point registers in GDB's register cache
into the process/thread specified by TID. */
static void
store_fpregs (int tid, int regnum)
{
elf_fpregset_t fpregs;
if (ptrace (PTRACE_GETFPREGS, tid, 0, (long) &fpregs) < 0)
perror_with_name ("Couldn't get floating point status");
fill_fpregset (&fpregs, regnum);
if (ptrace (PTRACE_SETFPREGS, tid, 0, (long) &fpregs) < 0)
perror_with_name ("Couldn't write floating point status");
}
/* Transferring arbitrary registers between GDB and inferior. */
@ -229,19 +160,25 @@ fetch_inferior_registers (int regnum)
if (regnum == -1 || amd64_native_gregset_supplies_p (regnum))
{
fetch_regs (tid);
elf_gregset_t regs;
if (ptrace (PTRACE_GETREGS, tid, 0, (long) &regs) < 0)
perror_with_name ("Couldn't get registers");
amd64_supply_native_gregset (current_regcache, &regs, -1);
if (regnum != -1)
return;
}
if (regnum == -1 || GETFPREGS_SUPPLIES (regnum))
if (regnum == -1 || regnum >= AMD64_ST0_REGNUM)
{
fetch_fpregs (tid);
return;
}
elf_fpregset_t fpregs;
internal_error (__FILE__, __LINE__,
"Got request for bad register number %d.", regnum);
if (ptrace (PTRACE_GETFPREGS, tid, 0, (long) &fpregs) < 0)
perror_with_name ("Couldn't get floating point status");
amd64_supply_fxsave (current_regcache, -1, &fpregs);
}
}
/* Store register REGNUM back into the child process. If REGNUM is
@ -260,19 +197,34 @@ store_inferior_registers (int regnum)
if (regnum == -1 || amd64_native_gregset_supplies_p (regnum))
{
store_regs (tid, regnum);
elf_gregset_t regs;
if (ptrace (PTRACE_GETREGS, tid, 0, (long) &regs) < 0)
perror_with_name ("Couldn't get registers");
amd64_collect_native_gregset (current_regcache, &regs, regnum);
if (ptrace (PTRACE_SETREGS, tid, 0, (long) &regs) < 0)
perror_with_name ("Couldn't write registers");
if (regnum != -1)
return;
}
if (regnum == -1 || GETFPREGS_SUPPLIES (regnum))
if (regnum == -1 || regnum >= AMD64_ST0_REGNUM)
{
store_fpregs (tid, regnum);
elf_fpregset_t fpregs;
if (ptrace (PTRACE_GETFPREGS, tid, 0, (long) &fpregs) < 0)
perror_with_name ("Couldn't get floating point status");
amd64_collect_fxsave (current_regcache, regnum, &fpregs);
if (ptrace (PTRACE_SETFPREGS, tid, 0, (long) &fpregs) < 0)
perror_with_name ("Couldn't write floating point status");
return;
}
internal_error (__FILE__, __LINE__,
"Got request to store bad register number %d.", regnum);
}