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-rw-r--r--ChangeLog9
-rw-r--r--sysdeps/mips/bits/nan.h51
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h2
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/register-dump.h126
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/sys/user.h2
5 files changed, 122 insertions, 68 deletions
diff --git a/ChangeLog b/ChangeLog
index bdced12..2678ab2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,14 @@
2002-03-22 Andreas Jaeger <aj@suse.de>
+ * sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h (struct
+ _fpstate): Rename fwd to ftw.
+ * sysdeps/unix/sysv/linux/x86_64/sys/user.h (struct user_fpregs_struct): Likewise.
+
+ * sysdeps/unix/sysv/linux/x86_64/register-dump.h (register_dump):
+ Follow sigcontext changes.
+
+2002-03-22 Andreas Jaeger <aj@suse.de>
+
* sysdeps/mips/bits/nan.h: New file. Copy from generic one with
changes for NaNs on MIPS.
Patch by Hartvig Ekner <hartvige@mips.com>.
diff --git a/sysdeps/mips/bits/nan.h b/sysdeps/mips/bits/nan.h
new file mode 100644
index 0000000..193ab3c
--- /dev/null
+++ b/sysdeps/mips/bits/nan.h
@@ -0,0 +1,51 @@
+/* `NAN' constant for IEEE 754 machines.
+ Copyright (C) 1992, 1996, 1997, 1999, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _MATH_H
+# error "Never use <bits/nan.h> directly; include <math.h> instead."
+#endif
+
+
+/* IEEE Not A Number (QNaN). Note that MIPS has the QNaN and SNaN patterns
+ reversed compared to most other architectures. The IEEE spec left
+ the definition of this open to implementations, and for MIPS the top
+ bit of the mantissa must be SET to indicate a SNaN. */
+
+#ifdef __GNUC__
+
+# define NAN \
+ (__extension__ \
+ ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \
+ { __l: 0x7fbfffffUL }).__d)
+
+#else
+
+# include <endian.h>
+
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define __nan_bytes { 0x7f, 0xbf, 0xff, 0xff }
+# endif
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+# define __nan_bytes { 0xff, 0xff, 0xbf, 0x7f }
+# endif
+
+static union { unsigned char __c[4]; float __d; } __nan_union = { __nan_bytes };
+# define NAN (__nan_union.__d)
+
+#endif /* GCC. */
diff --git a/sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h b/sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h
index 5748115..19a6f1f 100644
--- a/sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h
+++ b/sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h
@@ -103,7 +103,7 @@ struct _fpstate
/* FPU environment matching the 64-bit FXSAVE layout. */
__uint16_t cwd;
__uint16_t swd;
- __uint16_t twd;
+ __uint16_t ftw;
__uint16_t fop;
__uint64_t rip;
__uint64_t rdp;
diff --git a/sysdeps/unix/sysv/linux/x86_64/register-dump.h b/sysdeps/unix/sysv/linux/x86_64/register-dump.h
index 610e050..82a6d05 100644
--- a/sysdeps/unix/sysv/linux/x86_64/register-dump.h
+++ b/sysdeps/unix/sysv/linux/x86_64/register-dump.h
@@ -1,5 +1,5 @@
/* Dump registers.
- Copyright (C) 2001 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -68,7 +68,7 @@ static void
register_dump (int fd, struct sigcontext *ctx)
{
char regs[29][16];
- char fpregs[32][8];
+ char fpregs[30][8];
char xmmregs[16][32];
struct iovec iov[147];
size_t nr = 0;
@@ -181,13 +181,11 @@ register_dump (int fd, struct sigcontext *ctx)
{
/* Generate output for the FPU control/status registers. */
- hexvalue (ctx->fpstate->cw, fpregs[0], 8);
- hexvalue (ctx->fpstate->sw, fpregs[1], 8);
- hexvalue (ctx->fpstate->tag, fpregs[2], 8);
- hexvalue (ctx->fpstate->ipoff, fpregs[3], 8);
- hexvalue (ctx->fpstate->cssel, fpregs[4], 4);
- hexvalue (ctx->fpstate->dataoff, fpregs[5], 8);
- hexvalue (ctx->fpstate->datasel, fpregs[6], 4);
+ hexvalue (ctx->fpstate->cwd, fpregs[0], 8);
+ hexvalue (ctx->fpstate->swd, fpregs[1], 8);
+ hexvalue (ctx->fpstate->twd, fpregs[2], 8);
+ hexvalue (ctx->fpstate->rip, fpregs[3], 8);
+ hexvalue (ctx->fpstate->rdp, fpregs[4], 8);
ADD_STRING ("\n\n FPUCW: ");
ADD_MEM (fpregs[0], 8);
@@ -195,58 +193,54 @@ register_dump (int fd, struct sigcontext *ctx)
ADD_MEM (fpregs[1], 8);
ADD_STRING (" TAG: ");
ADD_MEM (fpregs[2], 8);
- ADD_STRING ("\n IPOFF: ");
+ ADD_STRING ("\n RIP: ");
ADD_MEM (fpregs[3], 8);
- ADD_STRING (" CSSEL: ");
- ADD_MEM (fpregs[4], 4);
- ADD_STRING (" DATAOFF: ");
- ADD_MEM (fpregs[5], 8);
- ADD_STRING (" DATASEL: ");
- ADD_MEM (fpregs[6], 4);
+ ADD_STRING (" RDP: ");
+ ADD_MEM (fpregs[4], 8);
/* Now the real FPU registers. */
- hexvalue (ctx->fpstate->_st[0].exponent, fpregs[7], 8);
+ hexvalue (ctx->fpstate->_st[0].exponent, fpregs[5], 8);
hexvalue (ctx->fpstate->_st[0].significand[3] << 16
- | ctx->fpstate->_st[0].significand[2], fpregs[8], 8);
+ | ctx->fpstate->_st[0].significand[2], fpregs[6], 8);
hexvalue (ctx->fpstate->_st[0].significand[1] << 16
- | ctx->fpstate->_st[0].significand[0], fpregs[9], 8);
- hexvalue (ctx->fpstate->_st[1].exponent, fpregs[10], 8);
+ | ctx->fpstate->_st[0].significand[0], fpregs[7], 8);
+ hexvalue (ctx->fpstate->_st[1].exponent, fpregs[8], 8);
hexvalue (ctx->fpstate->_st[1].significand[3] << 16
- | ctx->fpstate->_st[1].significand[2], fpregs[11], 8);
+ | ctx->fpstate->_st[1].significand[2], fpregs[9], 8);
hexvalue (ctx->fpstate->_st[1].significand[1] << 16
- | ctx->fpstate->_st[1].significand[0], fpregs[12], 8);
- hexvalue (ctx->fpstate->_st[2].exponent, fpregs[13], 8);
+ | ctx->fpstate->_st[1].significand[0], fpregs[10], 8);
+ hexvalue (ctx->fpstate->_st[2].exponent, fpregs[11], 8);
hexvalue (ctx->fpstate->_st[2].significand[3] << 16
- | ctx->fpstate->_st[2].significand[2], fpregs[14], 8);
+ | ctx->fpstate->_st[2].significand[2], fpregs[12], 8);
hexvalue (ctx->fpstate->_st[2].significand[1] << 16
- | ctx->fpstate->_st[2].significand[0], fpregs[15], 8);
- hexvalue (ctx->fpstate->_st[3].exponent, fpregs[16], 8);
+ | ctx->fpstate->_st[2].significand[0], fpregs[13], 8);
+ hexvalue (ctx->fpstate->_st[3].exponent, fpregs[14], 8);
hexvalue (ctx->fpstate->_st[3].significand[3] << 16
- | ctx->fpstate->_st[3].significand[2], fpregs[17], 8);
+ | ctx->fpstate->_st[3].significand[2], fpregs[15], 8);
hexvalue (ctx->fpstate->_st[3].significand[1] << 16
- | ctx->fpstate->_st[3].significand[0], fpregs[18], 8);
- hexvalue (ctx->fpstate->_st[4].exponent, fpregs[19], 8);
+ | ctx->fpstate->_st[3].significand[0], fpregs[16], 8);
+ hexvalue (ctx->fpstate->_st[4].exponent, fpregs[17], 8);
hexvalue (ctx->fpstate->_st[4].significand[3] << 16
- | ctx->fpstate->_st[4].significand[2], fpregs[20], 8);
+ | ctx->fpstate->_st[4].significand[2], fpregs[18], 8);
hexvalue (ctx->fpstate->_st[4].significand[1] << 16
- | ctx->fpstate->_st[4].significand[0], fpregs[21], 8);
- hexvalue (ctx->fpstate->_st[5].exponent, fpregs[22], 8);
+ | ctx->fpstate->_st[4].significand[0], fpregs[19], 8);
+ hexvalue (ctx->fpstate->_st[5].exponent, fpregs[20], 8);
hexvalue (ctx->fpstate->_st[5].significand[3] << 16
- | ctx->fpstate->_st[5].significand[2], fpregs[23], 8);
+ | ctx->fpstate->_st[5].significand[2], fpregs[21], 8);
hexvalue (ctx->fpstate->_st[5].significand[1] << 16
- | ctx->fpstate->_st[5].significand[0], fpregs[24], 8);
- hexvalue (ctx->fpstate->_st[6].exponent, fpregs[25], 8);
+ | ctx->fpstate->_st[5].significand[0], fpregs[22], 8);
+ hexvalue (ctx->fpstate->_st[6].exponent, fpregs[23], 8);
hexvalue (ctx->fpstate->_st[6].significand[3] << 16
- | ctx->fpstate->_st[6].significand[2], fpregs[26], 8);
+ | ctx->fpstate->_st[6].significand[2], fpregs[24], 8);
hexvalue (ctx->fpstate->_st[6].significand[1] << 16
- | ctx->fpstate->_st[6].significand[0], fpregs[27], 8);
- hexvalue (ctx->fpstate->_st[7].exponent, fpregs[28], 8);
+ | ctx->fpstate->_st[6].significand[0], fpregs[25], 8);
+ hexvalue (ctx->fpstate->_st[7].exponent, fpregs[26], 8);
hexvalue (ctx->fpstate->_st[7].significand[3] << 16
- | ctx->fpstate->_st[7].significand[2], fpregs[29], 8);
+ | ctx->fpstate->_st[7].significand[2], fpregs[27], 8);
hexvalue (ctx->fpstate->_st[7].significand[1] << 16
- | ctx->fpstate->_st[7].significand[0], fpregs[30], 8);
+ | ctx->fpstate->_st[7].significand[0], fpregs[28], 8);
- hexvalue (ctx->fpstate->mxcsr, fpregs[31], 4);
+ hexvalue (ctx->fpstate->mxcsr, fpregs[29], 4);
for (i = 0; i < 16; i++)
hexvalue (ctx->fpstate->_xmm[i].element[3] << 24
@@ -256,48 +250,48 @@ register_dump (int fd, struct sigcontext *ctx)
ADD_STRING ("\n\n ST(0) ");
- ADD_MEM (fpregs[7], 4);
+ ADD_MEM (fpregs[5], 4);
ADD_STRING (" ");
- ADD_MEM (fpregs[8], 8);
- ADD_MEM (fpregs[9], 8);
+ ADD_MEM (fpregs[6], 8);
+ ADD_MEM (fpregs[7], 8);
ADD_STRING (" ST(1) ");
- ADD_MEM (fpregs[10], 4);
+ ADD_MEM (fpregs[8], 4);
ADD_STRING (" ");
- ADD_MEM (fpregs[11], 8);
- ADD_MEM (fpregs[12], 8);
+ ADD_MEM (fpregs[9], 8);
+ ADD_MEM (fpregs[10], 8);
ADD_STRING ("\n ST(2) ");
- ADD_MEM (fpregs[13], 4);
+ ADD_MEM (fpregs[11], 4);
ADD_STRING (" ");
- ADD_MEM (fpregs[14], 8);
- ADD_MEM (fpregs[15], 8);
+ ADD_MEM (fpregs[12], 8);
+ ADD_MEM (fpregs[13], 8);
ADD_STRING (" ST(3) ");
- ADD_MEM (fpregs[16], 4);
+ ADD_MEM (fpregs[14], 4);
ADD_STRING (" ");
- ADD_MEM (fpregs[17], 8);
- ADD_MEM (fpregs[18], 8);
+ ADD_MEM (fpregs[15], 8);
+ ADD_MEM (fpregs[16], 8);
ADD_STRING ("\n ST(4) ");
- ADD_MEM (fpregs[19], 4);
+ ADD_MEM (fpregs[17], 4);
ADD_STRING (" ");
- ADD_MEM (fpregs[20], 8);
- ADD_MEM (fpregs[21], 8);
+ ADD_MEM (fpregs[18], 8);
+ ADD_MEM (fpregs[19], 8);
ADD_STRING (" ST(5) ");
- ADD_MEM (fpregs[22], 4);
+ ADD_MEM (fpregs[20], 4);
ADD_STRING (" ");
- ADD_MEM (fpregs[23], 8);
- ADD_MEM (fpregs[24], 8);
+ ADD_MEM (fpregs[21], 8);
+ ADD_MEM (fpregs[22], 8);
ADD_STRING ("\n ST(6) ");
- ADD_MEM (fpregs[25], 4);
+ ADD_MEM (fpregs[23], 4);
ADD_STRING (" ");
- ADD_MEM (fpregs[26], 8);
- ADD_MEM (fpregs[27], 8);
+ ADD_MEM (fpregs[24], 8);
+ ADD_MEM (fpregs[25], 8);
ADD_STRING (" ST(7) ");
- ADD_MEM (fpregs[28], 4);
+ ADD_MEM (fpregs[27], 4);
ADD_STRING (" ");
- ADD_MEM (fpregs[29], 8);
- ADD_MEM (fpregs[30], 8);
+ ADD_MEM (fpregs[27], 8);
+ ADD_MEM (fpregs[28], 8);
ADD_STRING ("\n mxcsr: ");
- ADD_MEM (fpregs[31], 4);
+ ADD_MEM (fpregs[29], 4);
ADD_STRING ("\n XMM0: ");
ADD_MEM (xmmregs[0], 32);
diff --git a/sysdeps/unix/sysv/linux/x86_64/sys/user.h b/sysdeps/unix/sysv/linux/x86_64/sys/user.h
index bca10c7..0575fe5 100644
--- a/sysdeps/unix/sysv/linux/x86_64/sys/user.h
+++ b/sysdeps/unix/sysv/linux/x86_64/sys/user.h
@@ -31,7 +31,7 @@ struct user_fpregs_struct
{
__uint16_t cwd;
__uint16_t swd;
- __uint16_t twd;
+ __uint16_t ftw;
__uint16_t fop;
__uint64_t rip;
__uint64_t rdp;
generated by cgit v1.1 at 2024-12-19 07:17:58 +0000