X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fi386-linux-tdep.h;h=8e4bbf77c83a551c06cd10036cdc97a4ab287922;hb=4d09c5b4239111b21fd6ee20054c71b260c3b8ae;hp=76a87ca9274b3ad914b7097f2bad66bf30edc61f;hpb=01f0fe5e0450edf168c1f612feb93cf588e4e7ea;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/i386-linux-tdep.h b/gdb/i386-linux-tdep.h index 76a87ca927..8e4bbf77c8 100644 --- a/gdb/i386-linux-tdep.h +++ b/gdb/i386-linux-tdep.h @@ -1,12 +1,12 @@ /* Target-dependent code for GNU/Linux x86. - Copyright (C) 2002, 2003 Free Software Foundation, Inc. + Copyright (C) 2002-2013 Free Software Foundation, Inc. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -15,9 +15,7 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ + along with this program. If not, see . */ #ifndef I386_LINUX_TDEP_H #define I386_LINUX_TDEP_H @@ -31,9 +29,40 @@ /* Register number for the "orig_eax" pseudo-register. If this pseudo-register contains a value >= 0 it is interpreted as the system call number that the kernel is supposed to restart. */ -#define I386_LINUX_ORIG_EAX_REGNUM I386_SSE_NUM_REGS +#define I386_LINUX_ORIG_EAX_REGNUM I386_AVX_NUM_REGS /* Total number of registers for GNU/Linux. */ #define I386_LINUX_NUM_REGS (I386_LINUX_ORIG_EAX_REGNUM + 1) +/* Get XSAVE extended state xcr0 from core dump. */ +extern uint64_t i386_linux_core_read_xcr0 (bfd *abfd); + +/* Linux target description. */ +extern struct target_desc *tdesc_i386_linux; +extern struct target_desc *tdesc_i386_mmx_linux; +extern struct target_desc *tdesc_i386_avx_linux; + +/* Format of XSAVE extended state is: + struct + { + fxsave_bytes[0..463] + sw_usable_bytes[464..511] + xstate_hdr_bytes[512..575] + avx_bytes[576..831] + future_state etc + }; + + Same memory layout will be used for the coredump NT_X86_XSTATE + representing the XSAVE extended state registers. + + The first 8 bytes of the sw_usable_bytes[464..467] is the OS enabled + extended state mask, which is the same as the extended control register + 0 (the XFEATURE_ENABLED_MASK register), XCR0. We can use this mask + together with the mask saved in the xstate_hdr_bytes to determine what + states the processor/OS supports and what state, used or initialized, + the process/thread is in. */ +#define I386_LINUX_XSAVE_XCR0_OFFSET 464 + +extern int i386_linux_gregset_reg_offset[]; + #endif /* i386-linux-tdep.h */