/* Target-dependent code for GNU/Linux i386.
- Copyright (C) 2000-2013 Free Software Foundation, Inc.
+ Copyright (C) 2000-2014 Free Software Foundation, Inc.
This file is part of GDB.
#include "osabi.h"
#include "reggroups.h"
#include "dwarf2-frame.h"
-#include <string.h>
-
#include "i386-tdep.h"
#include "i386-linux-tdep.h"
#include "linux-tdep.h"
#include "xml-syscall.h"
#include "i387-tdep.h"
-#include "i386-xstate.h"
+#include "x86-xstate.h"
/* The syscall's XML filename for i386. */
#define XML_SYSCALL_FILENAME_I386 "syscalls/i386-linux.xml"
#include "features/i386/i386-mmx-linux.c"
#include "features/i386/i386-mpx-linux.c"
#include "features/i386/i386-avx-linux.c"
-
-/* Supported register note sections. */
-static struct core_regset_section i386_linux_regset_sections[] =
-{
- { ".reg", 68, "general-purpose" },
- { ".reg2", 108, "floating-point" },
- { NULL, 0 }
-};
-
-static struct core_regset_section i386_linux_sse_regset_sections[] =
-{
- { ".reg", 68, "general-purpose" },
- { ".reg-xfp", 512, "extended floating-point" },
- { NULL, 0 }
-};
-
-static struct core_regset_section i386_linux_avx_regset_sections[] =
-{
- { ".reg", 68, "general-purpose" },
- { ".reg-xstate", I386_XSTATE_MAX_SIZE, "XSAVE extended state" },
- { NULL, 0 }
-};
+#include "features/i386/i386-avx512-linux.c"
/* Return non-zero, when the register is in the corresponding register
group. Put the LINUX_ORIG_EAX register in the system group. */
-1, -1, -1, -1, -1, -1, -1, -1,
-1,
-1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, /* MPX registers BND0 ... BND3. */
- -1, -1, /* MPX registers BNDCFGU, BNDSTATUS. */
- 11 * 4 /* "orig_eax" */
+ -1, -1, -1, -1, /* MPX registers BND0 ... BND3. */
+ -1, -1, /* MPX registers BNDCFGU, BNDSTATUS. */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* k0 ... k7 (AVX512) */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* zmm0 ... zmm7 (AVX512) */
+ 11 * 4, /* "orig_eax" */
};
/* Mapping between the general-purpose registers in `struct
size_t size = bfd_section_size (abfd, xstate);
/* Check extended state size. */
- if (size < I386_XSTATE_AVX_SIZE)
- xcr0 = I386_XSTATE_SSE_MASK;
+ if (size < X86_XSTATE_AVX_SIZE)
+ xcr0 = X86_XSTATE_SSE_MASK;
else
{
char contents[8];
/* Linux/i386. */
uint64_t xcr0 = i386_linux_core_read_xcr0 (abfd);
- switch ((xcr0 & I386_XSTATE_ALL_MASK))
+ switch ((xcr0 & X86_XSTATE_ALL_MASK))
{
- case I386_XSTATE_MPX_MASK:
+ case X86_XSTATE_MPX_AVX512_MASK:
+ case X86_XSTATE_AVX512_MASK:
+ return tdesc_i386_avx512_linux;
+ case X86_XSTATE_MPX_MASK:
return tdesc_i386_mpx_linux;
- case I386_XSTATE_AVX_MASK:
+ case X86_XSTATE_AVX_MASK:
return tdesc_i386_avx_linux;
- case I386_XSTATE_SSE_MASK:
+ case X86_XSTATE_SSE_MASK:
return tdesc_i386_linux;
- case I386_XSTATE_X87_MASK:
+ case X86_XSTATE_X87_MASK:
return tdesc_i386_mmx_linux;
default:
break;
return tdesc_i386_mmx_linux;
}
+/* Similar to i386_supply_fpregset, but use XSAVE extended state. */
+
+static void
+i386_linux_supply_xstateregset (const struct regset *regset,
+ struct regcache *regcache, int regnum,
+ const void *xstateregs, size_t len)
+{
+ i387_supply_xsave (regcache, regnum, xstateregs);
+}
+
+/* Similar to i386_collect_fpregset, but use XSAVE extended state. */
+
+static void
+i386_linux_collect_xstateregset (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *xstateregs, size_t len)
+{
+ i387_collect_xsave (regcache, regnum, xstateregs, 1);
+}
+
+/* Register set definitions. */
+
+static const struct regset i386_linux_xstateregset =
+ {
+ NULL,
+ i386_linux_supply_xstateregset,
+ i386_linux_collect_xstateregset
+ };
+
+/* Iterate over core file register note sections. */
+
+static void
+i386_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
+ iterate_over_regset_sections_cb *cb,
+ void *cb_data,
+ const struct regcache *regcache)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ cb (".reg", 68, &i386_gregset, NULL, cb_data);
+
+ if (tdep->xcr0 & X86_XSTATE_AVX)
+ /* Use max size for writing, accept any size when reading. */
+ cb (".reg-xstate", regcache ? X86_XSTATE_MAX_SIZE : 0,
+ &i386_linux_xstateregset, "XSAVE extended state", cb_data);
+ else if (tdep->xcr0 & X86_XSTATE_SSE)
+ cb (".reg-xfp", 512, &i386_fpregset, "extended floating-point",
+ cb_data);
+ else
+ cb (".reg2", 108, &i386_fpregset, NULL, cb_data);
+}
+
/* Linux kernel shows PC value after the 'int $0x80' instruction even if
inferior is still inside the syscall. On next PTRACE_SINGLESTEP it will
finish the syscall but PC will not change.
set_gdbarch_fetch_tls_load_module_address (gdbarch,
svr4_fetch_objfile_link_map);
- /* Install supported register note sections. */
- if (tdesc_find_feature (tdesc, "org.gnu.gdb.i386.avx"))
- set_gdbarch_core_regset_sections (gdbarch, i386_linux_avx_regset_sections);
- else if (tdesc_find_feature (tdesc, "org.gnu.gdb.i386.sse"))
- set_gdbarch_core_regset_sections (gdbarch, i386_linux_sse_regset_sections);
- else
- set_gdbarch_core_regset_sections (gdbarch, i386_linux_regset_sections);
-
+ /* Core file support. */
+ set_gdbarch_iterate_over_regset_sections
+ (gdbarch, i386_linux_iterate_over_regset_sections);
set_gdbarch_core_read_description (gdbarch,
i386_linux_core_read_description);
displaced_step_at_entry_point);
/* Functions for 'catch syscall'. */
- set_xml_syscall_file_name (XML_SYSCALL_FILENAME_I386);
+ set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_I386);
set_gdbarch_get_syscall_number (gdbarch,
i386_linux_get_syscall_number);
initialize_tdesc_i386_mmx_linux ();
initialize_tdesc_i386_avx_linux ();
initialize_tdesc_i386_mpx_linux ();
+ initialize_tdesc_i386_avx512_linux ();
}
projects / deliverable / binutils-gdb.git / blobdiff