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binutils-gdb/gdb/features/i386/amd64-avx-linux.c
Walfred Tedeschi 2735833d5f amd64-linux: expose system register FS_BASE and GS_BASE for Linux. 
This patch allows examination of the registers FS_BASE and GS_BASE
for Linux Systems running on 64bit. Tests for simple read and write
of the new registers is also added with this patch.

2017-01-27  Walfred Tedeschi  <walfred.tedeschi@intel.com>
	    Richard Henderson  <rth@redhat.com>

gdb/ChangeLog:

	* amd64-linux-nat.c (PTRACE_ARCH_PRCTL): New define.
	(amd64_linux_fetch_inferior_registers): Add case to fetch FS_BASE
	GS_BASE for older kernels.
	(amd64_linux_store_inferior_registers): Add case to store FS_BASE
	GS_BASE for older kernels.
	* amd64-linux-tdep.c (amd64_linux_gregset_reg_offset): Add FS_BASE
	and GS_BASE to the offset table.
	(amd64_linux_register_reggroup_p): Add FS_BASE and GS_BASE to the
	system register group.
	* amd64-nat.c (amd64_native_gregset_reg_offset): Implements case
	for older kernels.
	* amd64-tdep.c (amd64_init_abi): Add segment registers for the
	amd64 ABI.
	* amd64-tdep.h (amd64_regnum): Add AMD64_FSBASE_REGNUM and
	AMD64_GSBASE_REGNUM.
	(AMD64_NUM_REGS): Set to AMD64_GSBASE_REGNUM + 1.
	* features/Makefile (amd64-linux.dat, amd64-avx-linux.dat)
	(amd64-mpx-linux.dat, amd64-avx512-linux.dat, x32-linux.dat)
	(x32-avx-linux.dat, x32-avx512-linux.dat): Add
	i386/64bit-segments.xml in those rules.
	* features/i386/64bit-segments.xml: New file.
	* features/i386/amd64-avx-mpx-linux.xml: Add 64bit-segments.xml.
	* features/i386/amd64-avx-linux.xml: Add 64bit-segments.xml.
	* features/i386/amd64-avx512-linux.xml: Add 64bit-segments.xml.
	* features/i386/amd64-mpx-linux.xml: Add 64bit-segments.xml.
	* features/i386/x32-avx512-linux.xml: Add 64bit-segments.xml.
	* features/i386/x32-avx-linux.xml: Add 64bit-segments.xml.
	* features/i386/amd64-linux.xml: Add 64bit-segments.xml.
	* features/i386/amd64-avx-linux.c: Regenerated.
	* features/i386/amd64-avx-mpx-linux.c: Regenerated.
	* features/i386/amd64-avx-mpx.c: Regenerated.
	* features/i386/amd64-avx512-linux.c: Regenerated.
	* features/i386/amd64-linux.c: Regenerated.
	* features/i386/amd64-mpx-linux.c: Regenerated.
	* features/i386/i386-avx-mpx-linux.c: Regenerated.
	* features/i386/i386-avx-mpx.c: Regenerated.
	* features/i386/x32-avx-linux.c: Regenerated.
	* features/i386/x32-avx512-linux.c: Regenerated.
	* regformats/i386/amd64-avx-linux.dat: Regenerated.
	* regformats/i386/amd64-avx-mpx-linux.dat: Regenerated.
	* regformats/i386/amd64-avx512-linux.dat: Regenerated.
	* regformats/i386/amd64-linux.dat: Regenerated.
	* regformats/i386/amd64-mpx-linux.dat: Regenerated.
	* regformats/i386/x32-avx-linux.dat: Regenerated.
	* regformats/i386/x32-avx512-linux.dat: Regenerated.
	* regformats/i386/x32-linux.dat: Regenerated.

gdb/doc/ChangeLog:

	* gdb.texinfo (i386 Features): Add system segment registers
	as feature.

gdb/gdbserver/ChangeLog:

	* linux-x86-low.c (x86_64_regmap): Add fs_base and gs_base
	to the register table.
	(x86_fill_gregset): Add support for old kernels for the
	fs_base and gs_base system registers.
	(x86_store_gregset): Likewise.
	* configure.srv (srv_i386_64bit_xmlfiles): Add 64bit-segments.xml.

gdb/testsuite/ChangeLog:

	* gdb.arch/amd64-gs_base.c: New file.
	* gdb.arch/amd64-gs_base.exp: New file.

Change-Id: I2e0eeb93058a2320d4d3b045082643cfe4aff963
Signed-off-by: Walfred Tedeschi <walfred.tedeschi@intel.com>
2017-01-27 15:20:14 +01:00

178 lines
8.4 KiB
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/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro:
Original: amd64-avx-linux.xml */
#include "defs.h"
#include "osabi.h"
#include "target-descriptions.h"
struct target_desc *tdesc_amd64_avx_linux;
static void
initialize_tdesc_amd64_avx_linux (void)
{
struct target_desc *result = allocate_target_description ();
struct tdesc_feature *feature;
struct tdesc_type *field_type;
struct tdesc_type *type;
set_tdesc_architecture (result, bfd_scan_arch ("i386:x86-64"));
set_tdesc_osabi (result, osabi_from_tdesc_string ("GNU/Linux"));
feature = tdesc_create_feature (result, "org.gnu.gdb.i386.core");
type = tdesc_create_flags (feature, "i386_eflags", 4);
tdesc_add_flag (type, 0, "CF");
tdesc_add_flag (type, 1, "");
tdesc_add_flag (type, 2, "PF");
tdesc_add_flag (type, 4, "AF");
tdesc_add_flag (type, 6, "ZF");
tdesc_add_flag (type, 7, "SF");
tdesc_add_flag (type, 8, "TF");
tdesc_add_flag (type, 9, "IF");
tdesc_add_flag (type, 10, "DF");
tdesc_add_flag (type, 11, "OF");
tdesc_add_flag (type, 14, "NT");
tdesc_add_flag (type, 16, "RF");
tdesc_add_flag (type, 17, "VM");
tdesc_add_flag (type, 18, "AC");
tdesc_add_flag (type, 19, "VIF");
tdesc_add_flag (type, 20, "VIP");
tdesc_add_flag (type, 21, "ID");
tdesc_create_reg (feature, "rax", 0, 1, NULL, 64, "int64");
tdesc_create_reg (feature, "rbx", 1, 1, NULL, 64, "int64");
tdesc_create_reg (feature, "rcx", 2, 1, NULL, 64, "int64");
tdesc_create_reg (feature, "rdx", 3, 1, NULL, 64, "int64");
tdesc_create_reg (feature, "rsi", 4, 1, NULL, 64, "int64");
tdesc_create_reg (feature, "rdi", 5, 1, NULL, 64, "int64");
tdesc_create_reg (feature, "rbp", 6, 1, NULL, 64, "data_ptr");
tdesc_create_reg (feature, "rsp", 7, 1, NULL, 64, "data_ptr");
tdesc_create_reg (feature, "r8", 8, 1, NULL, 64, "int64");
tdesc_create_reg (feature, "r9", 9, 1, NULL, 64, "int64");
tdesc_create_reg (feature, "r10", 10, 1, NULL, 64, "int64");
tdesc_create_reg (feature, "r11", 11, 1, NULL, 64, "int64");
tdesc_create_reg (feature, "r12", 12, 1, NULL, 64, "int64");
tdesc_create_reg (feature, "r13", 13, 1, NULL, 64, "int64");
tdesc_create_reg (feature, "r14", 14, 1, NULL, 64, "int64");
tdesc_create_reg (feature, "r15", 15, 1, NULL, 64, "int64");
tdesc_create_reg (feature, "rip", 16, 1, NULL, 64, "code_ptr");
tdesc_create_reg (feature, "eflags", 17, 1, NULL, 32, "i386_eflags");
tdesc_create_reg (feature, "cs", 18, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "ss", 19, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "ds", 20, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "es", 21, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "fs", 22, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "gs", 23, 1, NULL, 32, "int32");
tdesc_create_reg (feature, "st0", 24, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st1", 25, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st2", 26, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st3", 27, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st4", 28, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st5", 29, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st6", 30, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "st7", 31, 1, NULL, 80, "i387_ext");
tdesc_create_reg (feature, "fctrl", 32, 1, "float", 32, "int");
tdesc_create_reg (feature, "fstat", 33, 1, "float", 32, "int");
tdesc_create_reg (feature, "ftag", 34, 1, "float", 32, "int");
tdesc_create_reg (feature, "fiseg", 35, 1, "float", 32, "int");
tdesc_create_reg (feature, "fioff", 36, 1, "float", 32, "int");
tdesc_create_reg (feature, "foseg", 37, 1, "float", 32, "int");
tdesc_create_reg (feature, "fooff", 38, 1, "float", 32, "int");
tdesc_create_reg (feature, "fop", 39, 1, "float", 32, "int");
feature = tdesc_create_feature (result, "org.gnu.gdb.i386.sse");
field_type = tdesc_named_type (feature, "ieee_single");
tdesc_create_vector (feature, "v4f", field_type, 4);
field_type = tdesc_named_type (feature, "ieee_double");
tdesc_create_vector (feature, "v2d", field_type, 2);
field_type = tdesc_named_type (feature, "int8");
tdesc_create_vector (feature, "v16i8", field_type, 16);
field_type = tdesc_named_type (feature, "int16");
tdesc_create_vector (feature, "v8i16", field_type, 8);
field_type = tdesc_named_type (feature, "int32");
tdesc_create_vector (feature, "v4i32", field_type, 4);
field_type = tdesc_named_type (feature, "int64");
tdesc_create_vector (feature, "v2i64", field_type, 2);
type = tdesc_create_union (feature, "vec128");
field_type = tdesc_named_type (feature, "v4f");
tdesc_add_field (type, "v4_float", field_type);
field_type = tdesc_named_type (feature, "v2d");
tdesc_add_field (type, "v2_double", field_type);
field_type = tdesc_named_type (feature, "v16i8");
tdesc_add_field (type, "v16_int8", field_type);
field_type = tdesc_named_type (feature, "v8i16");
tdesc_add_field (type, "v8_int16", field_type);
field_type = tdesc_named_type (feature, "v4i32");
tdesc_add_field (type, "v4_int32", field_type);
field_type = tdesc_named_type (feature, "v2i64");
tdesc_add_field (type, "v2_int64", field_type);
field_type = tdesc_named_type (feature, "uint128");
tdesc_add_field (type, "uint128", field_type);
type = tdesc_create_flags (feature, "i386_mxcsr", 4);
tdesc_add_flag (type, 0, "IE");
tdesc_add_flag (type, 1, "DE");
tdesc_add_flag (type, 2, "ZE");
tdesc_add_flag (type, 3, "OE");
tdesc_add_flag (type, 4, "UE");
tdesc_add_flag (type, 5, "PE");
tdesc_add_flag (type, 6, "DAZ");
tdesc_add_flag (type, 7, "IM");
tdesc_add_flag (type, 8, "DM");
tdesc_add_flag (type, 9, "ZM");
tdesc_add_flag (type, 10, "OM");
tdesc_add_flag (type, 11, "UM");
tdesc_add_flag (type, 12, "PM");
tdesc_add_flag (type, 15, "FZ");
tdesc_create_reg (feature, "xmm0", 40, 1, NULL, 128, "vec128");
tdesc_create_reg (feature, "xmm1", 41, 1, NULL, 128, "vec128");
tdesc_create_reg (feature, "xmm2", 42, 1, NULL, 128, "vec128");
tdesc_create_reg (feature, "xmm3", 43, 1, NULL, 128, "vec128");
tdesc_create_reg (feature, "xmm4", 44, 1, NULL, 128, "vec128");
tdesc_create_reg (feature, "xmm5", 45, 1, NULL, 128, "vec128");
tdesc_create_reg (feature, "xmm6", 46, 1, NULL, 128, "vec128");
tdesc_create_reg (feature, "xmm7", 47, 1, NULL, 128, "vec128");
tdesc_create_reg (feature, "xmm8", 48, 1, NULL, 128, "vec128");
tdesc_create_reg (feature, "xmm9", 49, 1, NULL, 128, "vec128");
tdesc_create_reg (feature, "xmm10", 50, 1, NULL, 128, "vec128");
tdesc_create_reg (feature, "xmm11", 51, 1, NULL, 128, "vec128");
tdesc_create_reg (feature, "xmm12", 52, 1, NULL, 128, "vec128");
tdesc_create_reg (feature, "xmm13", 53, 1, NULL, 128, "vec128");
tdesc_create_reg (feature, "xmm14", 54, 1, NULL, 128, "vec128");
tdesc_create_reg (feature, "xmm15", 55, 1, NULL, 128, "vec128");
tdesc_create_reg (feature, "mxcsr", 56, 1, "vector", 32, "i386_mxcsr");
feature = tdesc_create_feature (result, "org.gnu.gdb.i386.linux");
tdesc_create_reg (feature, "orig_rax", 57, 1, NULL, 64, "int");
feature = tdesc_create_feature (result, "org.gnu.gdb.i386.segments");
tdesc_create_reg (feature, "fs_base", 58, 1, NULL, 64, "int");
tdesc_create_reg (feature, "gs_base", 59, 1, NULL, 64, "int");
feature = tdesc_create_feature (result, "org.gnu.gdb.i386.avx");
tdesc_create_reg (feature, "ymm0h", 60, 1, NULL, 128, "uint128");
tdesc_create_reg (feature, "ymm1h", 61, 1, NULL, 128, "uint128");
tdesc_create_reg (feature, "ymm2h", 62, 1, NULL, 128, "uint128");
tdesc_create_reg (feature, "ymm3h", 63, 1, NULL, 128, "uint128");
tdesc_create_reg (feature, "ymm4h", 64, 1, NULL, 128, "uint128");
tdesc_create_reg (feature, "ymm5h", 65, 1, NULL, 128, "uint128");
tdesc_create_reg (feature, "ymm6h", 66, 1, NULL, 128, "uint128");
tdesc_create_reg (feature, "ymm7h", 67, 1, NULL, 128, "uint128");
tdesc_create_reg (feature, "ymm8h", 68, 1, NULL, 128, "uint128");
tdesc_create_reg (feature, "ymm9h", 69, 1, NULL, 128, "uint128");
tdesc_create_reg (feature, "ymm10h", 70, 1, NULL, 128, "uint128");
tdesc_create_reg (feature, "ymm11h", 71, 1, NULL, 128, "uint128");
tdesc_create_reg (feature, "ymm12h", 72, 1, NULL, 128, "uint128");
tdesc_create_reg (feature, "ymm13h", 73, 1, NULL, 128, "uint128");
tdesc_create_reg (feature, "ymm14h", 74, 1, NULL, 128, "uint128");
tdesc_create_reg (feature, "ymm15h", 75, 1, NULL, 128, "uint128");
tdesc_amd64_avx_linux = result;
}
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