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i386-bsd-nat: Assume PT_GETXMMREGS is present.

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NetBSD has included PT_GETXMMREGS since 1.6 released in September
2002.  OpenBSD has included PT_GETXMMREGS since 3.8 released in
November 2005.
This commit is contained in:
John Baldwin 2022-03-02 14:09:55 -08:00
parent 63db53cd53
commit 72919b16ec
1 changed files with 0 additions and 10 deletions
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10
gdb/i386-bsd-nat.c
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@ -92,11 +92,9 @@ static int i386bsd_r_reg_offset[] =
#define GETREGS_SUPPLIES(regnum) \ #define GETREGS_SUPPLIES(regnum) \
((0 <= (regnum) && (regnum) <= 15)) ((0 <= (regnum) && (regnum) <= 15))
#ifdef HAVE_PT_GETXMMREGS
/* Set to 1 if the kernel supports PT_GETXMMREGS. Initialized to -1 /* Set to 1 if the kernel supports PT_GETXMMREGS. Initialized to -1
so that we try PT_GETXMMREGS the first time around. */ so that we try PT_GETXMMREGS the first time around. */
static int have_ptrace_xmmregs = -1; static int have_ptrace_xmmregs = -1;
#endif
/* Supply the general-purpose registers in GREGS, to REGCACHE. */ /* Supply the general-purpose registers in GREGS, to REGCACHE. */
@ -162,7 +160,6 @@ i386bsd_fetch_inferior_registers (struct regcache *regcache, int regnum)
if (regnum == -1 || regnum >= I386_ST0_REGNUM) if (regnum == -1 || regnum >= I386_ST0_REGNUM)
{ {
struct fpreg fpregs; struct fpreg fpregs;
#ifdef HAVE_PT_GETXMMREGS
char xmmregs[512]; char xmmregs[512];
if (have_ptrace_xmmregs != 0 if (have_ptrace_xmmregs != 0
@ -175,15 +172,12 @@ i386bsd_fetch_inferior_registers (struct regcache *regcache, int regnum)
else else
{ {
have_ptrace_xmmregs = 0; have_ptrace_xmmregs = 0;
#endif
if (gdb_ptrace (PT_GETFPREGS, ptid, if (gdb_ptrace (PT_GETFPREGS, ptid,
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1) (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status")); perror_with_name (_("Couldn't get floating point status"));
i387_supply_fsave (regcache, -1, &fpregs); i387_supply_fsave (regcache, -1, &fpregs);
#ifdef HAVE_PT_GETXMMREGS
} }
#endif
} }
} }
@ -214,7 +208,6 @@ i386bsd_store_inferior_registers (struct regcache *regcache, int regnum)
if (regnum == -1 || regnum >= I386_ST0_REGNUM) if (regnum == -1 || regnum >= I386_ST0_REGNUM)
{ {
struct fpreg fpregs; struct fpreg fpregs;
#ifdef HAVE_PT_GETXMMREGS
char xmmregs[512]; char xmmregs[512];
if (have_ptrace_xmmregs != 0 if (have_ptrace_xmmregs != 0
@ -232,7 +225,6 @@ i386bsd_store_inferior_registers (struct regcache *regcache, int regnum)
else else
{ {
have_ptrace_xmmregs = 0; have_ptrace_xmmregs = 0;
#endif
if (gdb_ptrace (PT_GETFPREGS, ptid, if (gdb_ptrace (PT_GETFPREGS, ptid,
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1) (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status")); perror_with_name (_("Couldn't get floating point status"));
@ -242,9 +234,7 @@ i386bsd_store_inferior_registers (struct regcache *regcache, int regnum)
if (gdb_ptrace (PT_SETFPREGS, ptid, if (gdb_ptrace (PT_SETFPREGS, ptid,
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1) (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't write floating point status")); perror_with_name (_("Couldn't write floating point status"));
#ifdef HAVE_PT_GETXMMREGS
} }
#endif
} }
} }