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Support i386 without SSE.

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gdb/

2010-04-08  H.J. Lu  <hongjiu.lu@intel.com>

	* i386-linux-nat.c (have_ptrace_getfpxregs): Initialize to -1
	if HAVE_PTRACE_GETFPXREGS is defined.
	(i386_linux_read_description): Set have_ptrace_getfpxregs and
	have_ptrace_getregset to 0 if ptrace PTRACE_GETFPXREGS failed.

	* i386-linux-tdep.c: Include "features/i386/i386-mmx-linux.c"
	(i386_linux_core_read_description): Return tdesc_i386_mmx_linux
	if .reg-xfp section doesn't exist.
	(_initialize_i386_linux_tdep): Call initialize_tdesc_i386_mmx_linux.

	* i386-linux-tdep.h (tdesc_i386_mmx_linux): New.

	* i386-tdep.c: Include "features/i386/i386-mmx.c".
	(i386_go32_init_abi): Set tdesc to tdesc_i386_mmx.
	(i386_validate_tdesc_p): Make org.gnu.gdb.i386.sse optional.  Set
	xcr0 to I386_XSTATE_X87_MASK if SSE isn't available.
	(i386_gdbarch_init): Update comments.
	(_initialize_i386_tdep): Call initialize_tdesc_i386_mmx.

	* common/i386-xstate.h (I386_XSTATE_X87_MASK): New.

	* config/djgpp/fnchange.lst: Add i386 MMX XML files.

	* features/Makefile (i386/i386-mmx-expedite): New.
	(i386/i386-mmx-linux-expedite): Likewise.
	($(outdir)/i386/i386-mmx.dat): Likewise.
	($(outdir)/i386/i386-mmx-linux.dat): Likewise.

	* features/i386/i386-mmx-linux.c: New.
	* features/i386/i386-mmx-linux.xml: Likewise.
	* features/i386/i386-mmx.c: Likewise.
	* features/i386/i386-mmx.xml: Likewise.
	* regformats/i386/i386-mmx-linux.dat: Likewise.
	* regformats/i386/i386-mmx.dat: Likewise.

	* features/Makefile (WHICH): Add i386/i386-mmx and
	i386/i386-mmx-linux.

gdb/doc/

2010-04-08  H.J. Lu  <hongjiu.lu@intel.com>

	* gdb.texinfo (i386 Features): Make org.gnu.gdb.i386.avx
	optional.  Make org.gnu.gdb.i386.avx requires
	org.gnu.gdb.i386.avx.

gdb/gdbserver/

2010-04-08  H.J. Lu  <hongjiu.lu@intel.com>

	* Makefile.in (clean): Also remove i386-mmx.c i386-mmx-linux.c.
	(i386-mmx.o): New.
	(i386-mmx.c): Likewise.
	(i386-mmx-linux.o): Likewise.
	(i386-mmx-linux.c): Likewise.

	* configure.srv (srv_i386_regobj): Add i386-mmx.o.
	(srv_i386_linux_regobj): Add i386-mmx-linux.o.
	(srv_i386_xmlfiles): Add i386/i386-mmx.xml.
	(srv_i386_linux_xmlfiles): Add i386/i386-mmx-linux.xml.

	* linux-x86-low.c (init_registers_i386_mmx_linux): New.
	(x86_linux_update_xmltarget): Call init_registers_i386_mmx_linux
	and return if ptrace PTRACE_GETFPXREGS failed in 32bit.
This commit is contained in:
H.J. Lu
2010-04-08 22:32:38 +00:00
parent 080017175b
commit 3a13a53b43
20 changed files with 442 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
gdb/ChangeLog
View File

@ -1,3 +1,43 @@
2010-04-08 H.J. Lu <hongjiu.lu@intel.com>
* i386-linux-nat.c (have_ptrace_getfpxregs): Initialize to -1
if HAVE_PTRACE_GETFPXREGS is defined.
(i386_linux_read_description): Set have_ptrace_getfpxregs and
have_ptrace_getregset to 0 if ptrace PTRACE_GETFPXREGS failed.
* i386-linux-tdep.c: Include "features/i386/i386-mmx-linux.c"
(i386_linux_core_read_description): Return tdesc_i386_mmx_linux
if .reg-xfp section doesn't exist.
(_initialize_i386_linux_tdep): Call initialize_tdesc_i386_mmx_linux.
* i386-linux-tdep.h (tdesc_i386_mmx_linux): New.
* i386-tdep.c: Include "features/i386/i386-mmx.c".
(i386_go32_init_abi): Set tdesc to tdesc_i386_mmx.
(i386_validate_tdesc_p): Make org.gnu.gdb.i386.sse optional. Set
xcr0 to I386_XSTATE_X87_MASK if SSE isn't available.
(i386_gdbarch_init): Update comments.
(_initialize_i386_tdep): Call initialize_tdesc_i386_mmx.
* common/i386-xstate.h (I386_XSTATE_X87_MASK): New.
* config/djgpp/fnchange.lst: Add i386 MMX XML files.
* features/Makefile (i386/i386-mmx-expedite): New.
(i386/i386-mmx-linux-expedite): Likewise.
($(outdir)/i386/i386-mmx.dat): Likewise.
($(outdir)/i386/i386-mmx-linux.dat): Likewise.
* features/i386/i386-mmx-linux.c: New.
* features/i386/i386-mmx-linux.xml: Likewise.
* features/i386/i386-mmx.c: Likewise.
* features/i386/i386-mmx.xml: Likewise.
* regformats/i386/i386-mmx-linux.dat: Likewise.
* regformats/i386/i386-mmx.dat: Likewise.
* features/Makefile (WHICH): Add i386/i386-mmx and
i386/i386-mmx-linux.
2010-04-08 Doug Evans <dje@google.com> 2010-04-08 Doug Evans <dje@google.com>
* source.c (openp): Skip $cdir in PATH. * source.c (openp): Skip $cdir in PATH.
@ -5,11 +45,10 @@
2010-04-08 Phil Muldoon <pmuldoon@redhat.com> 2010-04-08 Phil Muldoon <pmuldoon@redhat.com>
PR python/11417 PR python/11417
* python/py-lazy-string.c (stpy_convert_to_value): Check for * python/py-lazy-string.c (stpy_convert_to_value): Check for
a NULL address. a NULL address.
(gdbpy_create_lazy_string_object): Allow strings with a NULL (gdbpy_create_lazy_string_object): Allow strings with a NULL
address and a zero length. address and a zero length.
2010-04-08 Hui Zhu <teawater@gmail.com> 2010-04-08 Hui Zhu <teawater@gmail.com>

1
gdb/common/i386-xstate.h
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@ -26,6 +26,7 @@
#define I386_XSTATE_AVX (1ULL << 2) #define I386_XSTATE_AVX (1ULL << 2)
/* Supported mask and size of the extended state. */ /* Supported mask and size of the extended state. */
#define I386_XSTATE_X87_MASK I386_XSTATE_X87
#define I386_XSTATE_SSE_MASK (I386_XSTATE_X87 | I386_XSTATE_SSE) #define I386_XSTATE_SSE_MASK (I386_XSTATE_X87 | I386_XSTATE_SSE)
#define I386_XSTATE_AVX_MASK (I386_XSTATE_SSE_MASK | I386_XSTATE_AVX) #define I386_XSTATE_AVX_MASK (I386_XSTATE_SSE_MASK | I386_XSTATE_AVX)

4
gdb/config/djgpp/fnchange.lst
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@ -236,6 +236,10 @@
@V@/gdb/features/i386/i386-avx.c @V@/gdb/features/i386/i32-a.c @V@/gdb/features/i386/i386-avx.c @V@/gdb/features/i386/i32-a.c
@V@/gdb/features/i386/i386-avx-linux.xml @V@/gdb/features/i386/i32-al.xml @V@/gdb/features/i386/i386-avx-linux.xml @V@/gdb/features/i386/i32-al.xml
@V@/gdb/features/i386/i386-avx.xml @V@/gdb/features/i386/i32-a.xml @V@/gdb/features/i386/i386-avx.xml @V@/gdb/features/i386/i32-a.xml
@V@/gdb/features/i386/i386-mmx-linux.c @V@/features/i386/i32-ml.c
@V@/gdb/features/i386/i386-mmx.c @V@/gdb/features/i386/i32-m.c
@V@/gdb/features/i386/i386-mmx-linux.xml @V@/gdb/features/i386/i32-ml.xml
@V@/gdb/features/i386/i386-mmx.xml @V@/gdb/features/i386/i32-m.xml
@V@/gdb/f-exp.tab.c @V@/gdb/f-exp_tab.c @V@/gdb/f-exp.tab.c @V@/gdb/f-exp_tab.c
@V@/gdb/gdbserver/linux-cris-low.c @V@/gdb/gdbserver/lx-cris.c @V@/gdb/gdbserver/linux-cris-low.c @V@/gdb/gdbserver/lx-cris.c
@V@/gdb/gdbserver/linux-crisv32-low.c @V@/gdb/gdbserver/lx-cris32.c @V@/gdb/gdbserver/linux-crisv32-low.c @V@/gdb/gdbserver/lx-cris32.c

6
gdb/doc/ChangeLog
View File

@ -1,3 +1,9 @@
2010-04-08 H.J. Lu <hongjiu.lu@intel.com>
* gdb.texinfo (i386 Features): Make org.gnu.gdb.i386.avx
optional. Make org.gnu.gdb.i386.avx requires
org.gnu.gdb.i386.avx.
2010-04-08 Doug Evans <dje@google.com> 2010-04-08 Doug Evans <dje@google.com>
* gdb.texinfo (Command Files): Document that gdb skips $cdir in * gdb.texinfo (Command Files): Document that gdb skips $cdir in

5
gdb/doc/gdb.texinfo
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@ -33850,7 +33850,7 @@ targets. It should describe the following registers:
The register sets may be different, depending on the target. The register sets may be different, depending on the target.
The @samp{org.gnu.gdb.i386.sse} feature is required. It should The @samp{org.gnu.gdb.i386.sse} feature is optional. It should
describe registers: describe registers:
@itemize @minus @itemize @minus
@ -33862,7 +33862,8 @@ describe registers:
@samp{mxcsr} @samp{mxcsr}
@end itemize @end itemize
The @samp{org.gnu.gdb.i386.avx} feature is optional. It should The @samp{org.gnu.gdb.i386.avx} feature is optional and requires the
@samp{org.gnu.gdb.i386.sse} feature. It should
describe the upper 128 bits of @sc{ymm} registers: describe the upper 128 bits of @sc{ymm} registers:
@itemize @minus @itemize @minus

5
gdb/features/Makefile
View File

@ -32,6 +32,7 @@
WHICH = arm-with-iwmmxt arm-with-vfpv2 arm-with-vfpv3 arm-with-neon \ WHICH = arm-with-iwmmxt arm-with-vfpv2 arm-with-vfpv3 arm-with-neon \
i386/i386 i386/i386-linux \ i386/i386 i386/i386-linux \
i386/i386-mmx i386/i386-mmx-linux \
i386/amd64 i386/amd64-linux \ i386/amd64 i386/amd64-linux \
i386/i386-avx i386/i386-avx-linux \ i386/i386-avx i386/i386-avx-linux \
i386/amd64-avx i386/amd64-avx-linux \ i386/amd64-avx i386/amd64-avx-linux \
@ -49,6 +50,8 @@ i386/amd64-expedite = rbp,rsp,rip
i386/amd64-linux-expedite = rbp,rsp,rip i386/amd64-linux-expedite = rbp,rsp,rip
i386/i386-avx-expedite = ebp,esp,eip i386/i386-avx-expedite = ebp,esp,eip
i386/i386-avx-linux-expedite = ebp,esp,eip i386/i386-avx-linux-expedite = ebp,esp,eip
i386/i386-mmx-expedite = ebp,esp,eip
i386/i386-mmx-linux-expedite = ebp,esp,eip
i386/amd64-avx-expedite = rbp,rsp,rip i386/amd64-avx-expedite = rbp,rsp,rip
i386/amd64-avx-linux-expedite = rbp,rsp,rip i386/amd64-avx-linux-expedite = rbp,rsp,rip
mips-expedite = r29,pc mips-expedite = r29,pc
@ -99,6 +102,8 @@ $(outdir)/i386/amd64-linux.dat: i386/64bit-core.xml i386/64bit-sse.xml \
$(outdir)/i386/i386-avx.dat: i386/32bit-core.xml i386/32bit-avx.xml $(outdir)/i386/i386-avx.dat: i386/32bit-core.xml i386/32bit-avx.xml
$(outdir)/i386/i386-avx-linux.dat: i386/32bit-core.xml i386/32bit-avx.xml \ $(outdir)/i386/i386-avx-linux.dat: i386/32bit-core.xml i386/32bit-avx.xml \
i386/32bit-linux.xml i386/32bit-linux.xml
$(outdir)/i386/i386-mmx.dat: i386/32bit-core.xml
$(outdir)/i386/i386-mmx-linux.dat: i386/32bit-core.xml i386/32bit-linux.xml
$(outdir)/i386/amd64-avx.dat: i386/64bit-core.xml i386/64bit-avx.xml $(outdir)/i386/amd64-avx.dat: i386/64bit-core.xml i386/64bit-avx.xml
$(outdir)/i386/amd64-avx-linux.dat: i386/64bit-core.xml i386/64bit-avx.xml \ $(outdir)/i386/amd64-avx-linux.dat: i386/64bit-core.xml i386/64bit-avx.xml \
i386/64bit-linux.xml i386/64bit-linux.xml

76
gdb/features/i386/i386-mmx-linux.c Normal file
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@ -0,0 +1,76 @@
/* THIS FILE IS GENERATED. Original: i386-mmx-linux.xml */
#include "defs.h"
#include "osabi.h"
#include "target-descriptions.h"
struct target_desc *tdesc_i386_mmx_linux;
static void
initialize_tdesc_i386_mmx_linux (void)
{
struct target_desc *result = allocate_target_description ();
struct tdesc_feature *feature;
struct tdesc_type *field_type, *type;
set_tdesc_architecture (result, bfd_scan_arch ("i386"));
set_tdesc_osabi (result, osabi_from_tdesc_string ("GNU/Linux"));
feature = tdesc_create_feature (result, "org.gnu.gdb.i386.core");
field_type = tdesc_create_flags (feature, "i386_eflags", 4);
tdesc_add_flag (field_type, 0, "CF");
tdesc_add_flag (field_type, 1, "");
tdesc_add_flag (field_type, 2, "PF");
tdesc_add_flag (field_type, 4, "AF");
tdesc_add_flag (field_type, 6, "ZF");
tdesc_add_flag (field_type, 7, "SF");
tdesc_add_flag (field_type, 8, "TF");
tdesc_add_flag (field_type, 9, "IF");
tdesc_add_flag (field_type, 10, "DF");
tdesc_add_flag (field_type, 11, "OF");
tdesc_add_flag (field_type, 14, "NT");
tdesc_add_flag (field_type, 16, "RF");
tdesc_add_flag (field_type, 17, "VM");
tdesc_add_flag (field_type, 18, "AC");
tdesc_add_flag (field_type, 19, "VIF");
tdesc_add_flag (field_type, 20, "VIP");
tdesc_add_flag (field_type, 21, "ID");
tdesc_create_reg (feature, "eax", 0, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "ecx", 1, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "edx", 2, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "ebx", 3, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "esp", 4, 1, NULL, 32, "data_ptr");
tdesc_create_reg (feature, "ebp", 5, 1, NULL, 32, "data_ptr");
tdesc_create_reg (feature, "esi", 6, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "edi", 7, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "eip", 8, 1, NULL, 32, "code_ptr");
tdesc_create_reg (feature, "eflags", 9, 1, NULL, 32, "i386_eflags");
tdesc_create_reg (feature, "cs", 10, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "ss", 11, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "ds", 12, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "es", 13, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "fs", 14, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "gs", 15, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "st0", 16, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st1", 17, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st2", 18, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st3", 19, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st4", 20, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st5", 21, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st6", 22, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st7", 23, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "fctrl", 24, 1, "float", 32, "int");
tdesc_create_reg (feature, "fstat", 25, 1, "float", 32, "int");
tdesc_create_reg (feature, "ftag", 26, 1, "float", 32, "int");
tdesc_create_reg (feature, "fiseg", 27, 1, "float", 32, "int");
tdesc_create_reg (feature, "fioff", 28, 1, "float", 32, "int");
tdesc_create_reg (feature, "foseg", 29, 1, "float", 32, "int");
tdesc_create_reg (feature, "fooff", 30, 1, "float", 32, "int");
tdesc_create_reg (feature, "fop", 31, 1, "float", 32, "int");
feature = tdesc_create_feature (result, "org.gnu.gdb.i386.linux");
tdesc_create_reg (feature, "orig_eax", 41, 1, NULL, 32, "int");
tdesc_i386_mmx_linux = result;
}

16
gdb/features/i386/i386-mmx-linux.xml Normal file
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@ -0,0 +1,16 @@
<?xml version="1.0"?>
<!-- Copyright (C) 2010 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. -->
<!-- I386 with MMX - Includes Linux-only special "register". -->
<!DOCTYPE target SYSTEM "gdb-target.dtd">
<target>
<architecture>i386</architecture>
<osabi>GNU/Linux</osabi>
<xi:include href="32bit-core.xml"/>
<xi:include href="32bit-linux.xml"/>
</target>

71
gdb/features/i386/i386-mmx.c Normal file
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@ -0,0 +1,71 @@
/* THIS FILE IS GENERATED. Original: i386-mmx.xml */
#include "defs.h"
#include "osabi.h"
#include "target-descriptions.h"
struct target_desc *tdesc_i386_mmx;
static void
initialize_tdesc_i386_mmx (void)
{
struct target_desc *result = allocate_target_description ();
struct tdesc_feature *feature;
struct tdesc_type *field_type, *type;
set_tdesc_architecture (result, bfd_scan_arch ("i386"));
feature = tdesc_create_feature (result, "org.gnu.gdb.i386.core");
field_type = tdesc_create_flags (feature, "i386_eflags", 4);
tdesc_add_flag (field_type, 0, "CF");
tdesc_add_flag (field_type, 1, "");
tdesc_add_flag (field_type, 2, "PF");
tdesc_add_flag (field_type, 4, "AF");
tdesc_add_flag (field_type, 6, "ZF");
tdesc_add_flag (field_type, 7, "SF");
tdesc_add_flag (field_type, 8, "TF");
tdesc_add_flag (field_type, 9, "IF");
tdesc_add_flag (field_type, 10, "DF");
tdesc_add_flag (field_type, 11, "OF");
tdesc_add_flag (field_type, 14, "NT");
tdesc_add_flag (field_type, 16, "RF");
tdesc_add_flag (field_type, 17, "VM");
tdesc_add_flag (field_type, 18, "AC");
tdesc_add_flag (field_type, 19, "VIF");
tdesc_add_flag (field_type, 20, "VIP");
tdesc_add_flag (field_type, 21, "ID");
tdesc_create_reg (feature, "eax", 0, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "ecx", 1, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "edx", 2, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "ebx", 3, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "esp", 4, 1, NULL, 32, "data_ptr");
tdesc_create_reg (feature, "ebp", 5, 1, NULL, 32, "data_ptr");
tdesc_create_reg (feature, "esi", 6, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "edi", 7, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "eip", 8, 1, NULL, 32, "code_ptr");
tdesc_create_reg (feature, "eflags", 9, 1, NULL, 32, "i386_eflags");
tdesc_create_reg (feature, "cs", 10, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "ss", 11, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "ds", 12, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "es", 13, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "fs", 14, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "gs", 15, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "st0", 16, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st1", 17, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st2", 18, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st3", 19, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st4", 20, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st5", 21, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st6", 22, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st7", 23, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "fctrl", 24, 1, "float", 32, "int");
tdesc_create_reg (feature, "fstat", 25, 1, "float", 32, "int");
tdesc_create_reg (feature, "ftag", 26, 1, "float", 32, "int");
tdesc_create_reg (feature, "fiseg", 27, 1, "float", 32, "int");
tdesc_create_reg (feature, "fioff", 28, 1, "float", 32, "int");
tdesc_create_reg (feature, "foseg", 29, 1, "float", 32, "int");
tdesc_create_reg (feature, "fooff", 30, 1, "float", 32, "int");
tdesc_create_reg (feature, "fop", 31, 1, "float", 32, "int");
tdesc_i386_mmx = result;
}

14
gdb/features/i386/i386-mmx.xml Normal file
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@ -0,0 +1,14 @@
<?xml version="1.0"?>
<!-- Copyright (C) 2010 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. -->
<!-- I386 with MMX -->
<!DOCTYPE target SYSTEM "gdb-target.dtd">
<target>
<architecture>i386</architecture>
<xi:include href="32bit-core.xml"/>
</target>

17
gdb/gdbserver/ChangeLog
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@ -1,3 +1,20 @@
2010-04-08 H.J. Lu <hongjiu.lu@intel.com>
* Makefile.in (clean): Also remove i386-mmx.c i386-mmx-linux.c.
(i386-mmx.o): New.
(i386-mmx.c): Likewise.
(i386-mmx-linux.o): Likewise.
(i386-mmx-linux.c): Likewise.
* configure.srv (srv_i386_regobj): Add i386-mmx.o.
(srv_i386_linux_regobj): Add i386-mmx-linux.o.
(srv_i386_xmlfiles): Add i386/i386-mmx.xml.
(srv_i386_linux_xmlfiles): Add i386/i386-mmx-linux.xml.
* linux-x86-low.c (init_registers_i386_mmx_linux): New.
(x86_linux_update_xmltarget): Call init_registers_i386_mmx_linux
and return if ptrace PTRACE_GETFPXREGS failed in 32bit.
2010-04-07 H.J. Lu <hongjiu.lu@intel.com> 2010-04-07 H.J. Lu <hongjiu.lu@intel.com>
* Makefile.in (clean): Updated. * Makefile.in (clean): Updated.

7
gdb/gdbserver/Makefile.in
View File

@ -219,6 +219,7 @@ clean:
rm -f xml-builtin.c stamp-xml rm -f xml-builtin.c stamp-xml
rm -f i386-avx.c i386-avx-linux.c rm -f i386-avx.c i386-avx-linux.c
rm -f amd64-avx.c amd64-avx-linux.c rm -f amd64-avx.c amd64-avx-linux.c
rm -f i386-mmx.c i386-mmx-linux.c
maintainer-clean realclean distclean: clean maintainer-clean realclean distclean: clean
rm -f nm.h tm.h xm.h config.status config.h stamp-h config.log rm -f nm.h tm.h xm.h config.status config.h stamp-h config.log
@ -359,6 +360,12 @@ i386-avx.c : $(srcdir)/../regformats/i386/i386-avx.dat $(regdat_sh)
i386-avx-linux.o : i386-avx-linux.c $(regdef_h) i386-avx-linux.o : i386-avx-linux.c $(regdef_h)
i386-avx-linux.c : $(srcdir)/../regformats/i386/i386-avx-linux.dat $(regdat_sh) i386-avx-linux.c : $(srcdir)/../regformats/i386/i386-avx-linux.dat $(regdat_sh)
$(SHELL) $(regdat_sh) $(srcdir)/../regformats/i386/i386-avx-linux.dat i386-avx-linux.c $(SHELL) $(regdat_sh) $(srcdir)/../regformats/i386/i386-avx-linux.dat i386-avx-linux.c
i386-mmx.o : i386-mmx.c $(regdef_h)
i386-mmx.c : $(srcdir)/../regformats/i386/i386-mmx.dat $(regdat_sh)
$(SHELL) $(regdat_sh) $(srcdir)/../regformats/i386/i386-mmx.dat i386-mmx.c
i386-mmx-linux.o : i386-mmx-linux.c $(regdef_h)
i386-mmx-linux.c : $(srcdir)/../regformats/i386/i386-mmx-linux.dat $(regdat_sh)
$(SHELL) $(regdat_sh) $(srcdir)/../regformats/i386/i386-mmx-linux.dat i386-mmx-linux.c
reg-ia64.o : reg-ia64.c $(regdef_h) reg-ia64.o : reg-ia64.c $(regdef_h)
reg-ia64.c : $(srcdir)/../regformats/reg-ia64.dat $(regdat_sh) reg-ia64.c : $(srcdir)/../regformats/reg-ia64.dat $(regdat_sh)
$(SHELL) $(regdat_sh) $(srcdir)/../regformats/reg-ia64.dat reg-ia64.c $(SHELL) $(regdat_sh) $(srcdir)/../regformats/reg-ia64.dat reg-ia64.c

8
gdb/gdbserver/configure.srv
View File

@ -22,16 +22,16 @@
# Default hostio_last_error implementation # Default hostio_last_error implementation
srv_hostio_err_objs="hostio-errno.o" srv_hostio_err_objs="hostio-errno.o"
srv_i386_regobj="i386.o i386-avx.o" srv_i386_regobj="i386.o i386-avx.o i386-mmx.o"
srv_i386_linux_regobj="i386-linux.o i386-avx-linux.o" srv_i386_linux_regobj="i386-linux.o i386-avx-linux.o i386-mmx-linux.o"
srv_amd64_regobj="amd64.o x86-64-avx.o" srv_amd64_regobj="amd64.o x86-64-avx.o"
srv_amd64_linux_regobj="amd64-linux.o amd64-avx-linux.o" srv_amd64_linux_regobj="amd64-linux.o amd64-avx-linux.o"
srv_i386_32bit_xmlfiles="i386/32bit-core.xml i386/32bit-sse.xml i386/32bit-avx.xml" srv_i386_32bit_xmlfiles="i386/32bit-core.xml i386/32bit-sse.xml i386/32bit-avx.xml"
srv_i386_64bit_xmlfiles="i386/64bit-core.xml i386/64bit-sse.xml i386/64bit-avx.xml" srv_i386_64bit_xmlfiles="i386/64bit-core.xml i386/64bit-sse.xml i386/64bit-avx.xml"
srv_i386_xmlfiles="i386/i386.xml i386/i386-avx.xml $srv_i386_32bit_xmlfiles" srv_i386_xmlfiles="i386/i386.xml i386/i386-avx.xml i386/i386-mmx.xml $srv_i386_32bit_xmlfiles"
srv_amd64_xmlfiles="i386/amd64.xml i386/amd64-avx.xml $srv_i386_64bit_xmlfiles" srv_amd64_xmlfiles="i386/amd64.xml i386/amd64-avx.xml $srv_i386_64bit_xmlfiles"
srv_i386_linux_xmlfiles="i386/i386-linux.xml i386/i386-avx-linux.xml i386/32bit-linux.xml $srv_i386_32bit_xmlfiles" srv_i386_linux_xmlfiles="i386/i386-linux.xml i386/i386-avx-linux.xml i386/i386-mmx-linux.xml i386/32bit-linux.xml $srv_i386_32bit_xmlfiles"
srv_amd64_linux_xmlfiles="i386/amd64-linux.xml i386/amd64-avx-linux.xml i386/64bit-linux.xml $srv_i386_64bit_xmlfiles" srv_amd64_linux_xmlfiles="i386/amd64-linux.xml i386/amd64-avx-linux.xml i386/64bit-linux.xml $srv_i386_64bit_xmlfiles"
# Input is taken from the "${target}" variable. # Input is taken from the "${target}" variable.

43
gdb/gdbserver/linux-x86-low.c
View File

@ -37,6 +37,8 @@ void init_registers_amd64_linux (void);
void init_registers_i386_avx_linux (void); void init_registers_i386_avx_linux (void);
/* Defined in auto-generated file amd64-avx-linux.c. */ /* Defined in auto-generated file amd64-avx-linux.c. */
void init_registers_amd64_avx_linux (void); void init_registers_amd64_avx_linux (void);
/* Defined in auto-generated file i386-mmx-linux.c. */
void init_registers_i386_mmx_linux (void);
/* Backward compatibility for gdb without XML support. */ /* Backward compatibility for gdb without XML support. */
@ -828,19 +830,56 @@ static int use_xml;
static void static void
x86_linux_update_xmltarget (void) x86_linux_update_xmltarget (void)
{ {
int pid;
struct regset_info *regset;
static unsigned long long xcr0; static unsigned long long xcr0;
static int have_ptrace_getregset = -1; static int have_ptrace_getregset = -1;
#ifdef HAVE_PTRACE_GETFPXREGS
static int have_ptrace_getfpxregs = -1;
#endif
if (!current_inferior) if (!current_inferior)
return; return;
pid = pid_of (get_thread_lwp (current_inferior));
#ifdef __x86_64__ #ifdef __x86_64__
if (num_xmm_registers == 8) if (num_xmm_registers == 8)
init_registers_i386_linux (); init_registers_i386_linux ();
else else
init_registers_amd64_linux (); init_registers_amd64_linux ();
#else #else
init_registers_i386_linux (); {
# ifdef HAVE_PTRACE_GETFPXREGS
if (have_ptrace_getfpxregs == -1)
{
elf_fpxregset_t fpxregs;
if (ptrace (PTRACE_GETFPXREGS, pid, 0, (int) &fpxregs) < 0)
{
have_ptrace_getfpxregs = 0;
x86_xcr0 = I386_XSTATE_X87_MASK;
/* Disable PTRACE_GETFPXREGS. */
for (regset = target_regsets;
regset->fill_function != NULL; regset++)
if (regset->get_request == PTRACE_GETFPXREGS)
{
regset->size = 0;
break;
}
}
else
have_ptrace_getfpxregs = 1;
}
if (!have_ptrace_getfpxregs)
{
init_registers_i386_mmx_linux ();
return;
}
# endif
init_registers_i386_linux ();
}
#endif #endif
if (!use_xml) if (!use_xml)
@ -863,10 +902,8 @@ x86_linux_update_xmltarget (void)
/* Check if XSAVE extended state is supported. */ /* Check if XSAVE extended state is supported. */
if (have_ptrace_getregset == -1) if (have_ptrace_getregset == -1)
{ {
int pid = pid_of (get_thread_lwp (current_inferior));
unsigned long long xstateregs[I386_XSTATE_SSE_SIZE / sizeof (long long)]; unsigned long long xstateregs[I386_XSTATE_SSE_SIZE / sizeof (long long)];
struct iovec iov; struct iovec iov;
struct regset_info *regset;
iov.iov_base = xstateregs; iov.iov_base = xstateregs;
iov.iov_len = sizeof (xstateregs); iov.iov_len = sizeof (xstateregs);

28
gdb/i386-linux-nat.c
View File

@ -150,7 +150,7 @@ int have_ptrace_getregs =
for this to be a simple variable. */ for this to be a simple variable. */
int have_ptrace_getfpxregs = int have_ptrace_getfpxregs =
#ifdef HAVE_PTRACE_GETFPXREGS #ifdef HAVE_PTRACE_GETFPXREGS
1 -1
#else #else
0 0
#endif #endif
@ -946,19 +946,33 @@ i386_linux_child_post_startup_inferior (ptid_t ptid)
static const struct target_desc * static const struct target_desc *
i386_linux_read_description (struct target_ops *ops) i386_linux_read_description (struct target_ops *ops)
{ {
int tid;
static uint64_t xcr0; static uint64_t xcr0;
/* GNU/Linux LWP ID's are process ID's. */
tid = TIDGET (inferior_ptid);
if (tid == 0)
tid = PIDGET (inferior_ptid); /* Not a threaded program. */
#ifdef HAVE_PTRACE_GETFPXREGS
if (have_ptrace_getfpxregs == -1)
{
elf_fpxregset_t fpxregs;
if (ptrace (PTRACE_GETFPXREGS, tid, 0, (int) &fpxregs) < 0)
{
have_ptrace_getfpxregs = 0;
have_ptrace_getregset = 0;
return tdesc_i386_mmx_linux;
}
}
#endif
if (have_ptrace_getregset == -1) if (have_ptrace_getregset == -1)
{ {
int tid;
uint64_t xstateregs[(I386_XSTATE_SSE_SIZE / sizeof (uint64_t))]; uint64_t xstateregs[(I386_XSTATE_SSE_SIZE / sizeof (uint64_t))];
struct iovec iov; struct iovec iov;
/* GNU/Linux LWP ID's are process ID's. */
tid = TIDGET (inferior_ptid);
if (tid == 0)
tid = PIDGET (inferior_ptid); /* Not a threaded program. */
iov.iov_base = xstateregs; iov.iov_base = xstateregs;
iov.iov_len = sizeof (xstateregs); iov.iov_len = sizeof (xstateregs);

6
gdb/i386-linux-tdep.c
View File

@ -50,6 +50,7 @@
#include <stdint.h> #include <stdint.h>
#include "features/i386/i386-linux.c" #include "features/i386/i386-linux.c"
#include "features/i386/i386-mmx-linux.c"
#include "features/i386/i386-avx-linux.c" #include "features/i386/i386-avx-linux.c"
/* Supported register note sections. */ /* Supported register note sections. */
@ -616,6 +617,10 @@ i386_linux_core_read_description (struct gdbarch *gdbarch,
if (section == NULL) if (section == NULL)
return NULL; return NULL;
section = bfd_get_section_by_name (abfd, ".reg-xfp");
if (section == NULL)
return tdesc_i386_mmx_linux;
/* Linux/i386. */ /* Linux/i386. */
xcr0 = i386_linux_core_read_xcr0 (gdbarch, target, abfd); xcr0 = i386_linux_core_read_xcr0 (gdbarch, target, abfd);
if ((xcr0 & I386_XSTATE_AVX_MASK) == I386_XSTATE_AVX_MASK) if ((xcr0 & I386_XSTATE_AVX_MASK) == I386_XSTATE_AVX_MASK)
@ -890,5 +895,6 @@ _initialize_i386_linux_tdep (void)
/* Initialize the Linux target description */ /* Initialize the Linux target description */
initialize_tdesc_i386_linux (); initialize_tdesc_i386_linux ();
initialize_tdesc_i386_mmx_linux ();
initialize_tdesc_i386_avx_linux (); initialize_tdesc_i386_avx_linux ();
} }

1
gdb/i386-linux-tdep.h
View File

@ -41,6 +41,7 @@ extern uint64_t i386_linux_core_read_xcr0
/* Linux target description. */ /* Linux target description. */
extern struct target_desc *tdesc_i386_linux; extern struct target_desc *tdesc_i386_linux;
extern struct target_desc *tdesc_i386_mmx_linux;
extern struct target_desc *tdesc_i386_avx_linux; extern struct target_desc *tdesc_i386_avx_linux;
/* Format of XSAVE extended state is: /* Format of XSAVE extended state is:

45
gdb/i386-tdep.c
View File

@ -58,6 +58,7 @@
#include "features/i386/i386.c" #include "features/i386/i386.c"
#include "features/i386/i386-avx.c" #include "features/i386/i386-avx.c"
#include "features/i386/i386-mmx.c"
/* Register names. */ /* Register names. */
@ -2937,8 +2938,8 @@ i386_go32_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
tdep->jb_pc_offset = 36; tdep->jb_pc_offset = 36;
/* DJGPP does not support the SSE registers. */ /* DJGPP does not support the SSE registers. */
tdep->num_xmm_regs = 0; if (! tdesc_has_registers (info.target_desc))
set_gdbarch_num_regs (gdbarch, I386_NUM_GREGS + I387_NUM_REGS); tdep->tdesc = tdesc_i386_mmx;
/* Native compiler is GCC, which uses the SVR4 register numbering /* Native compiler is GCC, which uses the SVR4 register numbering
even in COFF and STABS. See the comment in i386_gdbarch_init, even in COFF and STABS. See the comment in i386_gdbarch_init,
@ -6649,13 +6650,12 @@ i386_validate_tdesc_p (struct gdbarch_tdep *tdep,
/* Get core registers. */ /* Get core registers. */
feature_core = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.core"); feature_core = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.core");
if (feature_core == NULL)
return 0;
/* Get SSE registers. */ /* Get SSE registers. */
feature_sse = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.sse"); feature_sse = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.sse");
if (feature_core == NULL || feature_sse == NULL)
return 0;
/* Try AVX registers. */ /* Try AVX registers. */
feature_avx = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.avx"); feature_avx = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.avx");
@ -6664,6 +6664,10 @@ i386_validate_tdesc_p (struct gdbarch_tdep *tdep,
/* The XCR0 bits. */ /* The XCR0 bits. */
if (feature_avx) if (feature_avx)
{ {
/* AVX register description requires SSE register description. */
if (!feature_sse)
return 0;
tdep->xcr0 = I386_XSTATE_AVX_MASK; tdep->xcr0 = I386_XSTATE_AVX_MASK;
/* It may have been set by OSABI initialization function. */ /* It may have been set by OSABI initialization function. */
@ -6679,19 +6683,27 @@ i386_validate_tdesc_p (struct gdbarch_tdep *tdep,
tdep->ymm0h_regnum + i, tdep->ymm0h_regnum + i,
tdep->ymmh_register_names[i]); tdep->ymmh_register_names[i]);
} }
else else if (feature_sse)
tdep->xcr0 = I386_XSTATE_SSE_MASK; tdep->xcr0 = I386_XSTATE_SSE_MASK;
else
{
tdep->xcr0 = I386_XSTATE_X87_MASK;
tdep->num_xmm_regs = 0;
}
num_regs = tdep->num_core_regs; num_regs = tdep->num_core_regs;
for (i = 0; i < num_regs; i++) for (i = 0; i < num_regs; i++)
valid_p &= tdesc_numbered_register (feature_core, tdesc_data, i, valid_p &= tdesc_numbered_register (feature_core, tdesc_data, i,
tdep->register_names[i]); tdep->register_names[i]);
/* Need to include %mxcsr, so add one. */ if (feature_sse)
num_regs += tdep->num_xmm_regs + 1; {
for (; i < num_regs; i++) /* Need to include %mxcsr, so add one. */
valid_p &= tdesc_numbered_register (feature_sse, tdesc_data, i, num_regs += tdep->num_xmm_regs + 1;
tdep->register_names[i]); for (; i < num_regs; i++)
valid_p &= tdesc_numbered_register (feature_sse, tdesc_data, i,
tdep->register_names[i]);
}
return valid_p; return valid_p;
} }
@ -6732,15 +6744,7 @@ i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
and the SSE registers. This can be overridden for a specific ABI and the SSE registers. This can be overridden for a specific ABI
by adjusting the members `st0_regnum', `mm0_regnum' and by adjusting the members `st0_regnum', `mm0_regnum' and
`num_xmm_regs' of `struct gdbarch_tdep', otherwise the registers `num_xmm_regs' of `struct gdbarch_tdep', otherwise the registers
will show up in the output of "info all-registers". Ideally we will show up in the output of "info all-registers". */
should try to autodetect whether they are available, such that we
can prevent "info all-registers" from displaying registers that
aren't available.
NOTE: kevinb/2003-07-13: ... if it's a choice between printing
[the SSE registers] always (even when they don't exist) or never
showing them to the user (even when they do exist), I prefer the
former over the latter. */
tdep->st0_regnum = I386_ST0_REGNUM; tdep->st0_regnum = I386_ST0_REGNUM;
@ -7039,6 +7043,7 @@ is \"default\"."),
/* Initialize the standard target descriptions. */ /* Initialize the standard target descriptions. */
initialize_tdesc_i386 (); initialize_tdesc_i386 ();
initialize_tdesc_i386_mmx ();
initialize_tdesc_i386_avx (); initialize_tdesc_i386_avx ();
/* Tell remote stub that we support XML target description. */ /* Tell remote stub that we support XML target description. */

46
gdb/regformats/i386/i386-mmx-linux.dat Normal file
View File

@ -0,0 +1,46 @@
# DO NOT EDIT: generated from i386/i386-mmx-linux.xml
name:i386_mmx_linux
xmltarget:i386-mmx-linux.xml
expedite:ebp,esp,eip
32:eax
32:ecx
32:edx
32:ebx
32:esp
32:ebp
32:esi
32:edi
32:eip
32:eflags
32:cs
32:ss
32:ds
32:es
32:fs
32:gs
80:st0
80:st1
80:st2
80:st3
80:st4
80:st5
80:st6
80:st7
32:fctrl
32:fstat
32:ftag
32:fiseg
32:fioff
32:foseg
32:fooff
32:fop
0:
0:
0:
0:
0:
0:
0:
0:
0:
32:orig_eax

36
gdb/regformats/i386/i386-mmx.dat Normal file
View File

@ -0,0 +1,36 @@
# DO NOT EDIT: generated from i386/i386-mmx.xml
name:i386_mmx
xmltarget:i386-mmx.xml
expedite:ebp,esp,eip
32:eax
32:ecx
32:edx
32:ebx
32:esp
32:ebp
32:esi
32:edi
32:eip
32:eflags
32:cs
32:ss
32:ds
32:es
32:fs
32:gs
80:st0
80:st1
80:st2
80:st3
80:st4
80:st5
80:st6
80:st7
32:fctrl
32:fstat
32:ftag
32:fiseg
32:fioff
32:foseg
32:fooff
32:fop