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| author | H.J. Lu <hjl.tools@gmail.com> | 2010-04-08 22:32:38 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2010-04-08 22:32:38 +0000 |
| commit | 3a13a53b432d732be258d677b6afca969ce0d65f (patch) | |
| tree | f2a54acc965c20fe324ffb9100e698313b474f46 /gdb/i386-linux-tdep.c | |
| parent | 080017175b5248f1e5b0d48a55a06634244db459 (diff) | |
| download | gdb-3a13a53b432d732be258d677b6afca969ce0d65f.zip gdb-3a13a53b432d732be258d677b6afca969ce0d65f.tar.gz gdb-3a13a53b432d732be258d677b6afca969ce0d65f.tar.bz2 | |
Support i386 without SSE.
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.
Diffstat (limited to 'gdb/i386-linux-tdep.c')
| -rw-r--r-- | gdb/i386-linux-tdep.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gdb/i386-linux-tdep.c b/gdb/i386-linux-tdep.c index 34a1924..72aced5 100644 --- a/gdb/i386-linux-tdep.c +++ b/gdb/i386-linux-tdep.c @@ -50,6 +50,7 @@ #include <stdint.h> #include "features/i386/i386-linux.c" +#include "features/i386/i386-mmx-linux.c" #include "features/i386/i386-avx-linux.c" /* Supported register note sections. */ @@ -616,6 +617,10 @@ i386_linux_core_read_description (struct gdbarch *gdbarch, if (section == NULL) return NULL; + section = bfd_get_section_by_name (abfd, ".reg-xfp"); + if (section == NULL) + return tdesc_i386_mmx_linux; + /* Linux/i386. */ xcr0 = i386_linux_core_read_xcr0 (gdbarch, target, abfd); 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_tdesc_i386_linux (); + initialize_tdesc_i386_mmx_linux (); initialize_tdesc_i386_avx_linux (); } |