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Add x86 AVX support to gdbserver.

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2010-04-07  H.J. Lu  <hongjiu.lu@intel.com>

	* Makefile.in (clean): Updated.
	(i386-avx.o): New.
	(i386-avx.c): Likewise.
	(i386-avx-linux.o): Likewise.
	(i386-avx-linux.c): Likewise.
	(amd64-avx.o): Likewise.
	(amd64-avx.c): Likewise.
	(amd64-avx-linux.o): Likewise.
	(amd64-avx-linux.c): Likewise.

	* configure.srv (srv_i386_regobj): Add i386-avx.o.
	(srv_i386_linux_regobj): Add i386-avx-linux.o.
	(srv_amd64_regobj): Add amd64-avx.o.
	(srv_amd64_linux_regobj): Add amd64-avx-linux.o.
	(srv_i386_32bit_xmlfiles): Add i386/32bit-avx.xml.
	(srv_i386_64bit_xmlfiles): Add i386/64bit-avx.xml.
	(srv_i386_xmlfiles): Add i386/i386-avx.xml.
	(srv_amd64_xmlfiles): Add i386/amd64-avx.xml.
	(srv_i386_linux_xmlfiles): Add i386/i386-avx-linux.xml.
	(srv_amd64_linux_xmlfiles): Add i386/amd64-avx-linux.xml.

	* i387-fp.c: Include "i386-xstate.h".
	(i387_xsave): New.
	(i387_cache_to_xsave): Likewise.
	(i387_xsave_to_cache): Likewise.
	(x86_xcr0): Likewise.

	* i387-fp.h (i387_cache_to_xsave): Likewise.
	(i387_xsave_to_cache): Likewise.
	(x86_xcr0): Likewise.

	* linux-arm-low.c (target_regsets): Initialize nt_type to 0.
	* linux-crisv32-low.c (target_regsets): Likewise.
	* linux-m68k-low.c (target_regsets): Likewise.
	* linux-mips-low.c (target_regsets): Likewise.
	* linux-ppc-low.c (target_regsets): Likewise.
	* linux-s390-low.c (target_regsets): Likewise.
	* linux-sh-low.c (target_regsets): Likewise.
	* linux-sparc-low.c (target_regsets): Likewise.
	* linux-xtensa-low.c (target_regsets): Likewise.

	* linux-low.c: Include <sys/uio.h>.
	(regsets_fetch_inferior_registers): Support nt_type.
	(regsets_store_inferior_registers): Likewise.
	(linux_process_qsupported): New.
	(linux_target_ops): Add linux_process_qsupported.

	* linux-low.h (regset_info): Add nt_type.
	(linux_target_ops): Add process_qsupported.

	* linux-x86-low.c: Include "i386-xstate.h", "elf/common.h"
	and <sys/uio.h>.
	(init_registers_i386_avx_linux): New.
	(init_registers_amd64_avx_linux): Likewise.
	(xmltarget_i386_linux_no_xml): Likewise.
	(xmltarget_amd64_linux_no_xml): Likewise.
	(PTRACE_GETREGSET): Likewise.
	(PTRACE_SETREGSET): Likewise.
	(x86_fill_xstateregset): Likewise.
	(x86_store_xstateregset): Likewise.
	(use_xml): Likewise.
	(x86_linux_update_xmltarget): Likewise.
	(x86_linux_process_qsupported): Likewise.
	(target_regsets): Add NT_X86_XSTATE entry and Initialize nt_type.
	(x86_arch_setup): Don't call init_registers_amd64_linux nor
	init_registers_i386_linux here.  Call
	x86_linux_update_xmltarget.
	(the_low_target): Add x86_linux_process_qsupported.

	* server.c (handle_query): Call target_process_qsupported.

	* target.h (target_ops): Add process_qsupported.
	(target_process_qsupported): New.
This commit is contained in:
H.J. Lu
2010-04-07 18:49:46 +00:00
parent c302619d21
commit 1570b33e44
19 changed files with 633 additions and 57 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
gdb/gdbserver/linux-low.c
View File

@@ -39,6 +39,7 @@
#include <dirent.h>
#include <sys/stat.h>
#include <sys/vfs.h>
#include <sys/uio.h>
#ifndef ELFMAG0
/* Don't include <linux/elf.h> here. If it got included by gdb_proc_service.h
then ELFMAG0 will have been defined. If it didn't get included by
@@ -2977,14 +2978,15 @@ regsets_fetch_inferior_registers (struct regcache *regcache)
struct regset_info *regset;
int saw_general_regs = 0;
int pid;
struct iovec iov;
regset = target_regsets;
pid = lwpid_of (get_thread_lwp (current_inferior));
while (regset->size >= 0)
{
void *buf;
int res;
void *buf, *data;
int nt_type, res;
if (regset->size == 0 || disabled_regsets[regset - target_regsets])
{
@@ -2993,10 +2995,21 @@ regsets_fetch_inferior_registers (struct regcache *regcache)
}
buf = xmalloc (regset->size);
nt_type = regset->nt_type;
if (nt_type)
{
iov.iov_base = buf;
iov.iov_len = regset->size;
data = (void *) &iov;
}
else
data = buf;
#ifndef __sparc__
res = ptrace (regset->get_request, pid, 0, buf);
res = ptrace (regset->get_request, pid, nt_type, data);
#else
res = ptrace (regset->get_request, pid, buf, 0);
res = ptrace (regset->get_request, pid, data, nt_type);
#endif
if (res < 0)
{
@@ -3034,14 +3047,15 @@ regsets_store_inferior_registers (struct regcache *regcache)
struct regset_info *regset;
int saw_general_regs = 0;
int pid;
struct iovec iov;
regset = target_regsets;
pid = lwpid_of (get_thread_lwp (current_inferior));
while (regset->size >= 0)
{
void *buf;
int res;
void *buf, *data;
int nt_type, res;
if (regset->size == 0 || disabled_regsets[regset - target_regsets])
{
@@ -3054,10 +3068,21 @@ regsets_store_inferior_registers (struct regcache *regcache)
/* First fill the buffer with the current register set contents,
in case there are any items in the kernel's regset that are
not in gdbserver's regcache. */
nt_type = regset->nt_type;
if (nt_type)
{
iov.iov_base = buf;
iov.iov_len = regset->size;
data = (void *) &iov;
}
else
data = buf;
#ifndef __sparc__
res = ptrace (regset->get_request, pid, 0, buf);
res = ptrace (regset->get_request, pid, nt_type, data);
#else
res = ptrace (regset->get_request, pid, buf, 0);
res = ptrace (regset->get_request, pid, &iov, data);
#endif
if (res == 0)
@@ -3067,9 +3092,9 @@ regsets_store_inferior_registers (struct regcache *regcache)
/* Only now do we write the register set. */
#ifndef __sparc__
res = ptrace (regset->set_request, pid, 0, buf);
res = ptrace (regset->set_request, pid, nt_type, data);
#else
res = ptrace (regset->set_request, pid, buf, 0);
res = ptrace (regset->set_request, pid, data, nt_type);
#endif
}
@@ -4133,6 +4158,13 @@ linux_core_of_thread (ptid_t ptid)
return core;
}
static void
linux_process_qsupported (const char *query)
{
if (the_low_target.process_qsupported != NULL)
the_low_target.process_qsupported (query);
}
static struct target_ops linux_target_ops = {
linux_create_inferior,
linux_attach,
@@ -4176,7 +4208,8 @@ static struct target_ops linux_target_ops = {
#else
NULL,
#endif
linux_core_of_thread
linux_core_of_thread,
linux_process_qsupported
};
static void