Support i386 without SSE.
authorH.J. Lu <hjl.tools@gmail.com>
Thu, 8 Apr 2010 22:32:38 +0000 (22:32 +0000)
committerH.J. Lu <hjl.tools@gmail.com>
Thu, 8 Apr 2010 22:32:38 +0000 (22:32 +0000)
commit3a13a53b432d732be258d677b6afca969ce0d65f
treef2a54acc965c20fe324ffb9100e698313b474f46
parent080017175b5248f1e5b0d48a55a06634244db459
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.
20 files changed:
gdb/ChangeLog
gdb/common/i386-xstate.h
gdb/config/djgpp/fnchange.lst
gdb/doc/ChangeLog
gdb/doc/gdb.texinfo
gdb/features/Makefile
gdb/features/i386/i386-mmx-linux.c [new file with mode: 0644]
gdb/features/i386/i386-mmx-linux.xml [new file with mode: 0644]
gdb/features/i386/i386-mmx.c [new file with mode: 0644]
gdb/features/i386/i386-mmx.xml [new file with mode: 0644]
gdb/gdbserver/ChangeLog
gdb/gdbserver/Makefile.in
gdb/gdbserver/configure.srv
gdb/gdbserver/linux-x86-low.c
gdb/i386-linux-nat.c
gdb/i386-linux-tdep.c
gdb/i386-linux-tdep.h
gdb/i386-tdep.c
gdb/regformats/i386/i386-mmx-linux.dat [new file with mode: 0644]
gdb/regformats/i386/i386-mmx.dat [new file with mode: 0644]