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6913c89ac7
* gdbarch.sh (DEPRECATED_SAVED_PC_AFTER_CALL): Deprecate SAVED_PC_AFTER_CALL. * gdbarch.h, gdbarch.c: Regenerate. * xstormy16-tdep.c (xstormy16_gdbarch_init): Update. * x86-64-tdep.c (x86_64_init_abi): Update. * vax-tdep.c (vax_gdbarch_init): Update. * v850-tdep.c (v850_gdbarch_init): Update. * sparc-tdep.c (sparc_gdbarch_init): Update. * sh-tdep.c (sh_gdbarch_init): Update. * s390-tdep.c (s390_gdbarch_init): Update. * rs6000-tdep.c (rs6000_gdbarch_init): Update. * ns32k-tdep.c (ns32k_gdbarch_init): Update. * mn10300-tdep.c (mn10300_gdbarch_init): Update. * mips-tdep.c (mips_gdbarch_init): Update. * mcore-tdep.c (mcore_gdbarch_init): Update. * m68k-tdep.c (m68k_gdbarch_init): Update. * m68hc11-tdep.c (m68hc11_gdbarch_init): Update. * ia64-tdep.c (ia64_gdbarch_init): Update. (ia64_saved_pc_after_call): Update declaration. * i386ly-tdep.c (i386lynx_init_abi): Update. * i386-tdep.c (i386_gdbarch_init): Update. * hppa-tdep.c (hppa_gdbarch_init): Update. * h8300-tdep.c (h8300_gdbarch_init): Update. * frv-tdep.c (frv_gdbarch_init): Update. * cris-tdep.c (cris_gdbarch_init): Update. * avr-tdep.c (avr_gdbarch_init): Update. * arm-tdep.c (arm_gdbarch_init): Update. * alpha-tdep.c (alpha_gdbarch_init): Update. * ns32knbsd-nat.c (frame_num_args): Update. * ns32k-tdep.c (umax_frame_num_args): Update. * mips-tdep.c (mips_init_frame_pc_first): Update. * infrun.c (step_over_function): Update. * i386-linux-tdep.c (skip_hurd_resolver): Update. * i386-interix-tdep.c (i386_interix_back_one_frame): Update. * config/sparc/tm-sparc.h (DEPRECATED_SAVED_PC_AFTER_CALL): Update. (DEPRECATED_INIT_FRAME_PC_FIRST): Update. * config/rs6000/tm-rs6000.h (DEPRECATED_INIT_FRAME_PC_FIRST): Update. * config/pa/tm-hppa.h (DEPRECATED_SAVED_PC_AFTER_CALL): Update. * arm-linux-tdep.c (skip_hurd_resolver): Update. * arch-utils.c (init_frame_pc_default): Update. * alpha-tdep.c (alpha_init_frame_pc_first): Update. * x86-64-tdep.h (x86_64_linux_saved_pc_after_call): Update declaration.
82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
/* Target-dependent code for Intel 386 running LynxOS.
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Copyright 1993, 1996, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "gdbcore.h"
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#include "inferior.h"
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#include "regcache.h"
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#include "target.h"
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#include "osabi.h"
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#include "i386-tdep.h"
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/* Return the PC of the caller from the call frame. Assumes the subr
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prologue has already been executed, and the frame pointer setup.
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If this is the outermost frame, we check to see if we are in a
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system call by examining the previous instruction. If so, then the
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return PC is actually at SP+4 because system calls use a different
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calling sequence. */
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static CORE_ADDR
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i386lynx_saved_pc_after_call (struct frame_info *frame)
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{
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char opcode[7];
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static const unsigned char call_inst[] =
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{ 0x9a, 0, 0, 0, 0, 8, 0 }; /* lcall 0x8,0x0 */
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read_memory_nobpt (frame->pc - 7, opcode, 7);
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if (memcmp (opcode, call_inst, 7) == 0)
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return read_memory_unsigned_integer (read_register (SP_REGNUM) + 4, 4);
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return read_memory_unsigned_integer (read_register (SP_REGNUM), 4);
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}
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/* LynxOS. */
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static void
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i386lynx_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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{
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set_gdbarch_deprecated_saved_pc_after_call (gdbarch, i386lynx_saved_pc_after_call);
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}
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static enum gdb_osabi
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i386lynx_coff_osabi_sniffer (bfd *abfd)
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{
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if (strcmp (bfd_get_target (abfd), "coff-i386-lynx") == 0)
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return GDB_OSABI_LYNXOS;
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return GDB_OSABI_UNKNOWN;
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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void _initialize_i386lynx_tdep (void);
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void
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_initialize_i386lynx_tdep (void)
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{
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gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_coff_flavour,
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i386lynx_coff_osabi_sniffer);
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gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_LYNXOS,
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i386lynx_init_abi);
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}
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