Enable multi-arch for i386.
This commit is contained in:
Andrew Cagney
parent
8ea43c6d5a
commit
a62cc96ec5
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@ -1,3 +1,14 @@
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Wed Nov 7 20:38:14 2001 Andrew Cagney <cagney@redhat.com>
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* i386-tdep.c: Include "i386-tdep.h".
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(XMALLOC): Define.
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(i386_gdbarch_init): New function.
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(_initialize_i386_tdep): Register bfd_arch_i386.
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* config/i386/tm-i386.h (GDB_MULTI_ARCH): Define as
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GDB_MULTI_ARCH_PARTIAL.
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* i386-tdep.h: When partially multi-arch, conditionally define
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all macros.
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Wed Nov 7 20:45:32 2001 Andrew Cagney <cagney@redhat.com>
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* i386-tdep.c (set_disassembly_flavor): Delete function.
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@ -22,6 +22,8 @@
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#ifndef TM_I386_H
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#define TM_I386_H 1
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#define GDB_MULTI_ARCH GDB_MULTI_ARCH_PARTIAL
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#include "regcache.h"
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/* Forward declarations for prototypes. */
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@ -34,9 +34,12 @@
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#include "regcache.h"
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#include "doublest.h"
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#include "value.h"
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#include "i386-tdep.h"
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#include "gdb_assert.h"
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#undef XMALLOC
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#define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
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/* Names of the registers. The first 10 registers match the register
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numbering scheme used by GCC for stabs and DWARF. */
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static char *i386_register_names[] =
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@ -1195,12 +1198,48 @@ gdb_print_insn_i386 (bfd_vma memaddr, disassemble_info *info)
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struct gdbarch *
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i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
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{
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struct gdbarch_tdep *tdep
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struct gdbarch *gdbarch;
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/* For the moment there is only one i386 architecture. */
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if (arches != NULL)
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return arches->gdbarch;
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/* Allocate space for the new architecture. */
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tdep = XMALLOC (struct gdbarch_tdep);
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gdbarch = gdbarch_alloc (&info, tdep);
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set_gdbarch_use_generic_dummy_frames (gdbarch, 0);
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/* Call dummy code. */
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set_gdbarch_call_dummy_location (gdbarch, ON_STACK);
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set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 5);
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set_gdbarch_call_dummy_breakpoint_offset_p (gdbarch, 1);
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set_gdbarch_call_dummy_p (gdbarch, 1);
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set_gdbarch_call_dummy_stack_adjust_p (gdbarch, 0);
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set_gdbarch_get_saved_register (gdbarch, generic_get_saved_register);
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set_gdbarch_push_arguments (gdbarch, i386_push_arguments);
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set_gdbarch_pc_in_call_dummy (gdbarch, pc_in_call_dummy_on_stack);
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/* NOTE: tm-i386nw.h and tm-i386v4.h override this. */
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set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid);
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return gdbarch;
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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void _initialize_i386_tdep (void);
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void
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_initialize_i386_tdep (void)
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{
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register_gdbarch_init (bfd_arch_i386, i386_gdbarch_init);
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/* Initialize the table saying where each register starts in the
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register file. */
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{
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@ -22,16 +22,34 @@
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#ifndef I386_TDEP_H
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#define I386_TDEP_H
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#if !defined (FPU_REG_RAW_SIZE) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define FPU_REG_RAW_SIZE 10
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#endif
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#if !defined (XMM0_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define XMM0_REGNUM FIRST_XMM_REGNUM
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#endif
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#if !defined (FIRST_FPU_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define FIRST_FPU_REGNUM FP0_REGNUM
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#endif
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#if !defined (LAST_FPU_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define LAST_FPU_REGNUM (gdbarch_tdep (current_gdbarch)->last_fpu_regnum)
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#endif
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#if !defined (FIRST_XMM_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define FIRST_XMM_REGNUM (gdbarch_tdep (current_gdbarch)->first_xmm_regnum)
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#endif
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#if !defined (LAST_XMM_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define LAST_XMM_REGNUM (gdbarch_tdep (current_gdbarch)->last_xmm_regnum)
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#endif
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#if !defined (MXCSR_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define MXCSR_REGNUM (gdbarch_tdep (current_gdbarch)->mxcsr_regnum)
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#endif
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#if !defined (FIRST_FPU_CTRL_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define FIRST_FPU_CTRL_REGNUM (gdbarch_tdep (current_gdbarch)->first_fpu_ctrl_regnum)
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#endif
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#if !defined (LAST_FPU_CTRL_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define LAST_FPU_CTRL_REGNUM (FIRST_FPU_CTRL_REGNUM + 7)
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#endif
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/* All of these control registers (except for FCOFF and FDOFF) are
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sixteen bits long (at most) in the FPU, but are zero-extended to
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@ -39,22 +57,38 @@
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compute the size of the control register file, and somewhat easier
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to convert to and from the FSAVE instruction's 32-bit format. */
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/* FPU control word. */
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#if !defined (FCTRL_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define FCTRL_REGNUM (FIRST_FPU_CTRL_REGNUM)
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#endif
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/* FPU status word. */
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#if !defined (FSTAT_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define FSTAT_REGNUM (FIRST_FPU_CTRL_REGNUM + 1)
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#endif
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/* FPU register tag word. */
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#if !defined (FTAG_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define FTAG_REGNUM (FIRST_FPU_CTRL_REGNUM + 2)
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#endif
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/* FPU instruction's code segment selector 16 bits, called "FPU Instruction
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Pointer Selector" in the x86 manuals. */
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#if !defined (FCS_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define FCS_REGNUM (FIRST_FPU_CTRL_REGNUM + 3)
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#endif
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/* FPU instruction's offset within segment ("Fpu Code OFFset"). */
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#if !defined (FCOFF_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define FCOFF_REGNUM (FIRST_FPU_CTRL_REGNUM + 4)
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#endif
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/* FPU operand's data segment. */
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#if !defined (FDS_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define FDS_REGNUM (FIRST_FPU_CTRL_REGNUM + 5)
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#endif
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/* FPU operand's offset within segment. */
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#if !defined (FDOFF_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define FDOFF_REGNUM (FIRST_FPU_CTRL_REGNUM + 6)
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#endif
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/* FPU opcode, bottom eleven bits. */
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#if !defined (FOP_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define FOP_REGNUM (FIRST_FPU_CTRL_REGNUM + 7)
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#endif
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/* i386 architecture specific information. */
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struct gdbarch_tdep
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@ -66,8 +100,14 @@ struct gdbarch_tdep
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int first_fpu_ctrl_regnum;
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};
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#if !defined (IS_FP_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define IS_FP_REGNUM(n) (FIRST_FPU_REGNUM <= (n) && (n) <= LAST_FPU_REGNUM)
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#endif
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#if !defined (IS_FPU_CTRL_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define IS_FPU_CTRL_REGNUM(n) (FIRST_FPU_CTRL_REGNUM <= (n) && (n) <= LAST_FPU_CTRL_REGNUM)
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#endif
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#if !defined (IS_SSE_REGNUM) || (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
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#define IS_SSE_REGNUM(n) (FIRST_XMM_REGNUM <= (n) && (n) <= LAST_XMM_REGNUM)
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#endif
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#endif
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