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| 1 /* Target-dependent code for QNX Neutrino x86. | 1 /* Target-dependent code for QNX Neutrino x86. |
| 2 | 2 |
| 3 Copyright (C) 2003-2004, 2007-2012 Free Software Foundation, Inc. | 3 Copyright (C) 2003-2013 Free Software Foundation, Inc. |
| 4 | 4 |
| 5 Contributed by QNX Software Systems Ltd. | 5 Contributed by QNX Software Systems Ltd. |
| 6 | 6 |
| 7 This file is part of GDB. | 7 This file is part of GDB. |
| 8 | 8 |
| 9 This program is free software; you can redistribute it and/or modify | 9 This program is free software; you can redistribute it and/or modify |
| 10 it under the terms of the GNU General Public License as published by | 10 it under the terms of the GNU General Public License as published by |
| 11 the Free Software Foundation; either version 3 of the License, or | 11 the Free Software Foundation; either version 3 of the License, or |
| 12 (at your option) any later version. | 12 (at your option) any later version. |
| 13 | 13 |
| 14 This program is distributed in the hope that it will be useful, | 14 This program is distributed in the hope that it will be useful, |
| 15 but WITHOUT ANY WARRANTY; without even the implied warranty of | 15 but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 GNU General Public License for more details. | 17 GNU General Public License for more details. |
| 18 | 18 |
| 19 You should have received a copy of the GNU General Public License | 19 You should have received a copy of the GNU General Public License |
| 20 along with this program. If not, see <http://www.gnu.org/licenses/>. */ | 20 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 21 | 21 |
| 22 #include "defs.h" | 22 #include "defs.h" |
| 23 #include "frame.h" | 23 #include "frame.h" |
| 24 #include "osabi.h" | 24 #include "osabi.h" |
| 25 #include "regcache.h" | 25 #include "regcache.h" |
| 26 #include "target.h" | 26 #include "target.h" |
| 27 | 27 |
| 28 #include "gdb_assert.h" | 28 #include "gdb_assert.h" |
| 29 #include "gdb_string.h" | 29 #include <string.h> |
| 30 | 30 |
| 31 #include "i386-tdep.h" | 31 #include "i386-tdep.h" |
| 32 #include "i387-tdep.h" | 32 #include "i387-tdep.h" |
| 33 #include "nto-tdep.h" | 33 #include "nto-tdep.h" |
| 34 #include "solib.h" | 34 #include "solib.h" |
| 35 #include "solib-svr4.h" | 35 #include "solib-svr4.h" |
| 36 | 36 |
| 37 #ifndef X86_CPU_FXSR | 37 #ifndef X86_CPU_FXSR |
| 38 #define X86_CPU_FXSR (1L << 12) | 38 #define X86_CPU_FXSR (1L << 12) |
| 39 #endif | 39 #endif |
| (...skipping 247 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 287 } | 287 } |
| 288 | 288 |
| 289 /* Assuming THIS_FRAME is a QNX Neutrino sigtramp routine, return the | 289 /* Assuming THIS_FRAME is a QNX Neutrino sigtramp routine, return the |
| 290 address of the associated sigcontext structure. */ | 290 address of the associated sigcontext structure. */ |
| 291 | 291 |
| 292 static CORE_ADDR | 292 static CORE_ADDR |
| 293 i386nto_sigcontext_addr (struct frame_info *this_frame) | 293 i386nto_sigcontext_addr (struct frame_info *this_frame) |
| 294 { | 294 { |
| 295 struct gdbarch *gdbarch = get_frame_arch (this_frame); | 295 struct gdbarch *gdbarch = get_frame_arch (this_frame); |
| 296 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | 296 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
| 297 char buf[4]; | 297 gdb_byte buf[4]; |
| 298 CORE_ADDR ptrctx; | 298 CORE_ADDR ptrctx; |
| 299 | 299 |
| 300 /* We store __ucontext_t addr in EDI register. */ | 300 /* We store __ucontext_t addr in EDI register. */ |
| 301 get_frame_register (this_frame, I386_EDI_REGNUM, buf); | 301 get_frame_register (this_frame, I386_EDI_REGNUM, buf); |
| 302 ptrctx = extract_unsigned_integer (buf, 4, byte_order); | 302 ptrctx = extract_unsigned_integer (buf, 4, byte_order); |
| 303 ptrctx += 24 /* Context pointer is at this offset. */; | 303 ptrctx += 24 /* Context pointer is at this offset. */; |
| 304 | 304 |
| 305 return ptrctx; | 305 return ptrctx; |
| 306 } | 306 } |
| 307 | 307 |
| (...skipping 68 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 376 | 376 |
| 377 void | 377 void |
| 378 _initialize_i386nto_tdep (void) | 378 _initialize_i386nto_tdep (void) |
| 379 { | 379 { |
| 380 init_i386nto_ops (); | 380 init_i386nto_ops (); |
| 381 gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_QNXNTO, | 381 gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_QNXNTO, |
| 382 i386nto_init_abi); | 382 i386nto_init_abi); |
| 383 gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour, | 383 gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour, |
| 384 nto_elf_osabi_sniffer); | 384 nto_elf_osabi_sniffer); |
| 385 } | 385 } |
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