* x86-64-tdep.c (x86_64_gdbarch_init): Make a bit more similar to
the version in i386-tdep.c. Move set_gdbarch_* calls out into... (x86_64_init_abi): ...new function.
This commit is contained in:
Mark Kettenis
parent
05a7e2dba5
commit
0c1a73d616
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@ -1,5 +1,9 @@
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2002-10-25 Mark Kettenis <kettenis@gnu.org>
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* x86-64-tdep.c (x86_64_gdbarch_init): Make a bit more similar to
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the version in i386-tdep.c. Move set_gdbarch_* calls out into...
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(x86_64_init_abi): ...new function.
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* Makefile.in (i386v-nat.o): Add $(i386_tdep_h).
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* i386v-nat.c: Include "i386-tdep.h".
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@ -911,78 +911,16 @@ x86_64_breakpoint_from_pc (CORE_ADDR *pc, int *lenptr)
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return breakpoint;
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}
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static struct gdbarch *
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x86_64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
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static void
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x86_64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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{
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struct gdbarch *gdbarch;
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struct gdbarch_tdep *tdep;
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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int i, sum;
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/* Find a candidate among the list of pre-declared architectures. */
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for (arches = gdbarch_list_lookup_by_info (arches, &info);
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arches != NULL;
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arches = gdbarch_list_lookup_by_info (arches->next, &info))
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{
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switch (info.bfd_arch_info->mach)
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{
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case bfd_mach_x86_64:
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case bfd_mach_x86_64_intel_syntax:
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switch (gdbarch_bfd_arch_info (arches->gdbarch)->mach)
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{
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case bfd_mach_x86_64:
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case bfd_mach_x86_64_intel_syntax:
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return arches->gdbarch;
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case bfd_mach_i386_i386:
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case bfd_mach_i386_i8086:
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case bfd_mach_i386_i386_intel_syntax:
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break;
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default:
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internal_error (__FILE__, __LINE__,
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"x86_64_gdbarch_init: unknown machine type");
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}
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break;
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case bfd_mach_i386_i386:
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case bfd_mach_i386_i8086:
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case bfd_mach_i386_i386_intel_syntax:
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switch (gdbarch_bfd_arch_info (arches->gdbarch)->mach)
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{
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case bfd_mach_x86_64:
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case bfd_mach_x86_64_intel_syntax:
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break;
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case bfd_mach_i386_i386:
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case bfd_mach_i386_i8086:
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case bfd_mach_i386_i386_intel_syntax:
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return arches->gdbarch;
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default:
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internal_error (__FILE__, __LINE__,
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"x86_64_gdbarch_init: unknown machine type");
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}
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break;
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default:
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internal_error (__FILE__, __LINE__,
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"x86_64_gdbarch_init: unknown machine type");
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}
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}
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tdep = (struct gdbarch_tdep *) xmalloc (sizeof (struct gdbarch_tdep));
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gdbarch = gdbarch_alloc (&info, tdep);
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switch (info.bfd_arch_info->mach)
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{
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case bfd_mach_x86_64:
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case bfd_mach_x86_64_intel_syntax:
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tdep->num_xmm_regs = 16;
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break;
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case bfd_mach_i386_i386:
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case bfd_mach_i386_i8086:
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case bfd_mach_i386_i386_intel_syntax:
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/* This is place for definition of i386 target vector. */
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break;
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default:
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internal_error (__FILE__, __LINE__,
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"x86_64_gdbarch_init: unknown machine type");
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}
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/* The x86_64 has 16 SSE registers. */
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tdep->num_xmm_regs = 16;
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/* This is what all the fuss is about. */
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set_gdbarch_long_bit (gdbarch, 64);
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set_gdbarch_long_long_bit (gdbarch, 64);
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set_gdbarch_ptr_bit (gdbarch, 64);
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@ -996,8 +934,9 @@ x86_64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
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set_gdbarch_max_register_raw_size (gdbarch, 16);
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set_gdbarch_register_byte (gdbarch, x86_64_register_byte);
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/* Total amount of space needed to store our copies of the machine's register
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(SIZEOF_GREGS + SIZEOF_FPU_REGS + SIZEOF_FPU_CTRL_REGS + SIZEOF_SSE_REGS) */
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/* Total amount of space needed to store our copies of the machine's
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register (SIZEOF_GREGS + SIZEOF_FPU_REGS + SIZEOF_FPU_CTRL_REGS +
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SIZEOF_SSE_REGS) */
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for (i = 0, sum = 0; i < X86_64_NUM_REGS; i++)
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sum += x86_64_register_info_table[i].size;
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set_gdbarch_register_bytes (gdbarch, sum);
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@ -1012,46 +951,45 @@ x86_64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
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set_gdbarch_register_convert_to_raw (gdbarch,
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x86_64_register_convert_to_raw);
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/* Register numbers of various important registers. */
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set_gdbarch_sp_regnum (gdbarch, 7); /* (rsp) Contains address of top of stack. */
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set_gdbarch_fp_regnum (gdbarch, 6); /* (rbp) */
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set_gdbarch_pc_regnum (gdbarch, 16); /* (rip) Contains program counter. */
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set_gdbarch_fp0_regnum (gdbarch, X86_64_NUM_GREGS); /* First FPU floating-point register. */
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/* Register numbers of various important registers. */
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set_gdbarch_sp_regnum (gdbarch, 7); /* %rsp */
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set_gdbarch_fp_regnum (gdbarch, 6); /* %rbp */
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set_gdbarch_pc_regnum (gdbarch, 16); /* %rip */
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set_gdbarch_fp0_regnum (gdbarch, X86_64_NUM_GREGS); /* %st(0) */
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set_gdbarch_read_fp (gdbarch, cfi_read_fp);
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/* Discard from the stack the innermost frame, restoring all registers. */
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/* Discard from the stack the innermost frame, restoring all registers. */
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set_gdbarch_pop_frame (gdbarch, x86_64_pop_frame);
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/* FRAME_CHAIN takes a frame's nominal address and produces the frame's
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chain-pointer. */
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/* FRAME_CHAIN takes a frame's nominal address and produces the
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frame's chain-pointer. */
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set_gdbarch_frame_chain (gdbarch, x86_64_linux_frame_chain);
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set_gdbarch_frameless_function_invocation (gdbarch,
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x86_64_frameless_function_invocation);
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x86_64_frameless_function_invocation);
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set_gdbarch_frame_saved_pc (gdbarch, x86_64_linux_frame_saved_pc);
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set_gdbarch_frame_args_address (gdbarch, default_frame_address);
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set_gdbarch_frame_locals_address (gdbarch, default_frame_address);
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/* Return number of bytes at start of arglist that are not really args. */
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/* Return number of bytes at start of arglist that are not really args. */
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set_gdbarch_frame_args_skip (gdbarch, 8);
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set_gdbarch_frame_init_saved_regs (gdbarch, x86_64_frame_init_saved_regs);
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/* Frame pc initialization is handled by unwind informations. */
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/* Frame pc initialization is handled by unwind informations. */
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set_gdbarch_init_frame_pc (gdbarch, x86_64_init_frame_pc);
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/* Initialization of unwind informations. */
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/* Initialization of unwind informations. */
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set_gdbarch_init_extra_frame_info (gdbarch, x86_64_init_extra_frame_info);
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/* Getting saved registers is handled by unwind informations. */
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/* Getting saved registers is handled by unwind informations. */
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set_gdbarch_get_saved_register (gdbarch, cfi_get_saved_register);
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set_gdbarch_frame_init_saved_regs (gdbarch, x86_64_frame_init_saved_regs);
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/* Cons up virtual frame pointer for trace */
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/* Cons up virtual frame pointer for trace */
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set_gdbarch_virtual_frame_pointer (gdbarch, cfi_virtual_frame_pointer);
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set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid);
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@ -1073,34 +1011,34 @@ x86_64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
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set_gdbarch_push_return_address (gdbarch, x86_64_push_return_address);
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set_gdbarch_push_arguments (gdbarch, x86_64_push_arguments);
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/* Return number of args passed to a frame, no way to tell. */
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/* Return number of args passed to a frame, no way to tell. */
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set_gdbarch_frame_num_args (gdbarch, frame_num_args_unknown);
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/* Don't use default structure extract routine */
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/* Don't use default structure extract routine */
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set_gdbarch_deprecated_extract_struct_value_address (gdbarch, 0);
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/* If USE_STRUCT_CONVENTION retruns 0, then gdb uses STORE_RETURN_VALUE
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and EXTRACT_RETURN_VALUE to store/fetch the functions return value. It is
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the case when structure is returned in registers. */
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/* If USE_STRUCT_CONVENTION retruns 0, then gdb uses
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STORE_RETURN_VALUE and EXTRACT_RETURN_VALUE to store/fetch the
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functions return value. It is the case when structure is
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returned in registers. */
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set_gdbarch_use_struct_convention (gdbarch, x86_64_use_struct_convention);
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/* Store the address of the place in which to copy the structure the
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subroutine will return. This is called from call_function. */
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/* Store the address of the place in which to copy the structure the
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subroutine will return. This is called from call_function. */
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set_gdbarch_store_struct_return (gdbarch, x86_64_store_struct_return);
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/* Extract from an array REGBUF containing the (raw) register state
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a function return value of type TYPE, and copy that, in virtual format,
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into VALBUF. */
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/* Extract from an array REGBUF containing the (raw) register state
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a function return value of type TYPE, and copy that, in virtual
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format, into VALBUF. */
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set_gdbarch_deprecated_extract_return_value (gdbarch,
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x86_64_extract_return_value);
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/* Write into the appropriate registers a function return value stored
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in VALBUF of type TYPE, given in virtual format. */
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/* Write into the appropriate registers a function return value
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stored in VALBUF of type TYPE, given in virtual format. */
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set_gdbarch_deprecated_store_return_value (gdbarch,
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x86_64_store_return_value);
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/* Offset from address of function to start of its code. */
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/* Offset from address of function to start of its code. */
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set_gdbarch_function_start_offset (gdbarch, 0);
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set_gdbarch_skip_prologue (gdbarch, x86_64_skip_prologue);
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@ -1115,15 +1053,46 @@ x86_64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
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set_gdbarch_in_solib_call_trampoline (gdbarch, in_plt_section);
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/* Amount PC must be decremented by after a breakpoint. This is often the
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number of bytes in BREAKPOINT but not always. */
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/* Amount PC must be decremented by after a breakpoint. This is
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often the number of bytes in BREAKPOINT but not always. */
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set_gdbarch_decr_pc_after_break (gdbarch, 1);
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/* Use dwarf2 debug frame informations. */
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/* Use dwarf2 debug frame informations. */
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set_gdbarch_dwarf2_build_frame_info (gdbarch, dwarf2_build_frame_info);
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set_gdbarch_dwarf2_reg_to_regnum (gdbarch, x86_64_dwarf2_reg_to_regnum);
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set_gdbarch_pc_in_sigtramp (gdbarch, x86_64_linux_in_sigtramp);
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}
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static struct gdbarch *
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x86_64_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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enum gdb_osabi osabi = GDB_OSABI_UNKNOWN;
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/* Try to determine the OS ABI of the object we're loading. */
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if (info.abfd != NULL)
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osabi = gdbarch_lookup_osabi (info.abfd);
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/* Find a candidate among extant architectures. */
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for (arches = gdbarch_list_lookup_by_info (arches, &info);
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arches != NULL;
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arches = gdbarch_list_lookup_by_info (arches->next, &info))
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{
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/* Make sure the OS ABI selection matches. */
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tdep = gdbarch_tdep (arches->gdbarch);
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if (tdep && tdep->osabi == osabi)
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return arches->gdbarch;
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}
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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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tdep->osabi = osabi;
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x86_64_init_abi (info, gdbarch);
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return gdbarch;
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}
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