From: John Baldwin <jhb@FreeBSD.org>
To: gdb-patches@sourceware.org
Subject: [PATCH 2/3] i386-bsd-nat: Assume PT_GETXMMREGS is present.
Date: Mon, 28 Feb 2022 14:35:38 -0800 [thread overview]
Message-ID: <20220228223539.93563-3-jhb@FreeBSD.org> (raw)
In-Reply-To: <20220228223539.93563-1-jhb@FreeBSD.org>
NetBSD has included PT_GETXMMREGS since 1.6 released in September
2002. OpenBSD has included PT_GETXMMREGS since 3.8 released in
November 2005.
---
gdb/i386-bsd-nat.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/gdb/i386-bsd-nat.c b/gdb/i386-bsd-nat.c
index bd9655c9ef9..97a9738c52b 100644
--- a/gdb/i386-bsd-nat.c
+++ b/gdb/i386-bsd-nat.c
@@ -92,11 +92,9 @@ static int i386bsd_r_reg_offset[] =
#define GETREGS_SUPPLIES(regnum) \
((0 <= (regnum) && (regnum) <= 15))
-#ifdef HAVE_PT_GETXMMREGS
/* Set to 1 if the kernel supports PT_GETXMMREGS. Initialized to -1
so that we try PT_GETXMMREGS the first time around. */
static int have_ptrace_xmmregs = -1;
-#endif
\f
/* 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)
{
struct fpreg fpregs;
-#ifdef HAVE_PT_GETXMMREGS
char xmmregs[512];
if (have_ptrace_xmmregs != 0
@@ -175,15 +172,12 @@ i386bsd_fetch_inferior_registers (struct regcache *regcache, int regnum)
else
{
have_ptrace_xmmregs = 0;
-#endif
if (gdb_ptrace (PT_GETFPREGS, ptid,
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
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)
{
struct fpreg fpregs;
-#ifdef HAVE_PT_GETXMMREGS
char xmmregs[512];
if (have_ptrace_xmmregs != 0
@@ -232,7 +225,6 @@ i386bsd_store_inferior_registers (struct regcache *regcache, int regnum)
else
{
have_ptrace_xmmregs = 0;
-#endif
if (gdb_ptrace (PT_GETFPREGS, ptid,
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
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,
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't write floating point status"));
-#ifdef HAVE_PT_GETXMMREGS
}
-#endif
}
}
--
2.34.1
next prev parent reply other threads:[~2022-02-28 22:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-28 22:35 [PATCH 0/3] Assume PT_GETXMMREGS is always present on *BSD/i386 John Baldwin
2022-02-28 22:35 ` [PATCH 1/3] i386-fbsd-nat: Assume PT_GETXMMREGS is present John Baldwin
2022-03-01 14:22 ` Simon Marchi
2022-03-01 18:25 ` John Baldwin
2022-02-28 22:35 ` John Baldwin [this message]
2022-02-28 22:35 ` [PATCH 3/3] configure: Stop checking for PT_GETXMMREGS John Baldwin
2022-03-01 20:48 ` [PATCH 0/3] Assume PT_GETXMMREGS is always present on *BSD/i386 Tom Tromey
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