X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fgdbarch.c;h=558cc555b4bd525c61d5f515622525466bc68a75;hb=5969f0dba74e17c694faf333b120f1e0b95783ed;hp=ddafe25d4de39705d89144b5b95a6a7419cf0cbb;hpb=76727919ceb590f03ff0f6db08b7ceab5b7aeaff;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c index ddafe25d4d..558cc555b4 100644 --- a/gdb/gdbarch.c +++ b/gdb/gdbarch.c @@ -175,7 +175,6 @@ struct gdbarch int int_bit; int long_bit; int long_long_bit; - int long_long_align_bit; int half_bit; const struct floatformat ** half_format; int float_bit; @@ -266,6 +265,7 @@ struct gdbarch gdbarch_skip_trampoline_code_ftype *skip_trampoline_code; gdbarch_skip_solib_resolver_ftype *skip_solib_resolver; gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline; + gdbarch_in_indirect_branch_thunk_ftype *in_indirect_branch_thunk; gdbarch_stack_frame_destroyed_p_ftype *stack_frame_destroyed_p; gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special; gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special; @@ -352,6 +352,7 @@ struct gdbarch gdbarch_addressable_memory_unit_size_ftype *addressable_memory_unit_size; char ** disassembler_options; const disasm_options_t * valid_disassembler_options; + gdbarch_type_align_ftype *type_align; }; /* Create a new ``struct gdbarch'' based on information provided by @@ -387,7 +388,6 @@ gdbarch_alloc (const struct gdbarch_info *info, gdbarch->int_bit = 4*TARGET_CHAR_BIT; gdbarch->long_bit = 4*TARGET_CHAR_BIT; gdbarch->long_long_bit = 2*gdbarch->long_bit; - gdbarch->long_long_align_bit = 2*gdbarch->long_bit; gdbarch->half_bit = 2*TARGET_CHAR_BIT; gdbarch->float_bit = 4*TARGET_CHAR_BIT; gdbarch->double_bit = 8*TARGET_CHAR_BIT; @@ -433,6 +433,7 @@ gdbarch_alloc (const struct gdbarch_info *info, gdbarch->skip_trampoline_code = generic_skip_trampoline_code; gdbarch->skip_solib_resolver = generic_skip_solib_resolver; gdbarch->in_solib_return_trampoline = generic_in_solib_return_trampoline; + gdbarch->in_indirect_branch_thunk = default_in_indirect_branch_thunk; gdbarch->stack_frame_destroyed_p = generic_stack_frame_destroyed_p; gdbarch->coff_make_msymbol_special = default_coff_make_msymbol_special; gdbarch->make_symbol_special = default_make_symbol_special; @@ -463,21 +464,17 @@ gdbarch_alloc (const struct gdbarch_info *info, gdbarch->gcc_target_options = default_gcc_target_options; gdbarch->gnu_triplet_regexp = default_gnu_triplet_regexp; gdbarch->addressable_memory_unit_size = default_addressable_memory_unit_size; + gdbarch->type_align = default_type_align; /* gdbarch_alloc() */ return gdbarch; } -/* Allocate extra space using the per-architecture obstack. */ -void * -gdbarch_obstack_zalloc (struct gdbarch *arch, long size) +obstack *gdbarch_obstack (gdbarch *arch) { - void *data = obstack_alloc (arch->obstack, size); - - memset (data, 0, size); - return data; + return arch->obstack; } /* See gdbarch.h. */ @@ -526,7 +523,6 @@ verify_gdbarch (struct gdbarch *gdbarch) /* Skip verify of int_bit, invalid_p == 0 */ /* Skip verify of long_bit, invalid_p == 0 */ /* Skip verify of long_long_bit, invalid_p == 0 */ - /* Skip verify of long_long_align_bit, invalid_p == 0 */ /* Skip verify of half_bit, invalid_p == 0 */ if (gdbarch->half_format == 0) gdbarch->half_format = floatformats_ieee_half; @@ -619,14 +615,14 @@ verify_gdbarch (struct gdbarch *gdbarch) /* Skip verify of stabs_argument_has_addr, invalid_p == 0 */ /* Skip verify of convert_from_func_ptr_addr, invalid_p == 0 */ /* Skip verify of addr_bits_remove, invalid_p == 0 */ - if (gdbarch->significant_addr_bit == 0) - gdbarch->significant_addr_bit = gdbarch_addr_bit (gdbarch); + /* Skip verify of significant_addr_bit, invalid_p == 0 */ /* Skip verify of software_single_step, has predicate. */ /* Skip verify of single_step_through_delay, has predicate. */ /* Skip verify of print_insn, invalid_p == 0 */ /* Skip verify of skip_trampoline_code, invalid_p == 0 */ /* Skip verify of skip_solib_resolver, invalid_p == 0 */ /* Skip verify of in_solib_return_trampoline, invalid_p == 0 */ + /* Skip verify of in_indirect_branch_thunk, invalid_p == 0 */ /* Skip verify of stack_frame_destroyed_p, invalid_p == 0 */ /* Skip verify of elf_make_msymbol_special, has predicate. */ /* Skip verify of coff_make_msymbol_special, invalid_p == 0 */ @@ -713,6 +709,7 @@ verify_gdbarch (struct gdbarch *gdbarch) /* Skip verify of addressable_memory_unit_size, invalid_p == 0 */ /* Skip verify of disassembler_options, invalid_p == 0 */ /* Skip verify of valid_disassembler_options, invalid_p == 0 */ + /* Skip verify of type_align, invalid_p == 0 */ if (!log.empty ()) internal_error (__FILE__, __LINE__, _("verify_gdbarch: the following are invalid ...%s"), @@ -1102,6 +1099,9 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) fprintf_unfiltered (file, "gdbarch_dump: have_nonsteppable_watchpoint = %s\n", plongest (gdbarch->have_nonsteppable_watchpoint)); + fprintf_unfiltered (file, + "gdbarch_dump: in_indirect_branch_thunk = <%s>\n", + host_address_to_string (gdbarch->in_indirect_branch_thunk)); fprintf_unfiltered (file, "gdbarch_dump: in_solib_return_trampoline = <%s>\n", host_address_to_string (gdbarch->in_solib_return_trampoline)); @@ -1156,9 +1156,6 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) fprintf_unfiltered (file, "gdbarch_dump: long_double_format = %s\n", pformat (gdbarch->long_double_format)); - fprintf_unfiltered (file, - "gdbarch_dump: long_long_align_bit = %s\n", - plongest (gdbarch->long_long_align_bit)); fprintf_unfiltered (file, "gdbarch_dump: long_long_bit = %s\n", plongest (gdbarch->long_long_bit)); @@ -1435,6 +1432,9 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) fprintf_unfiltered (file, "gdbarch_dump: target_desc = %s\n", host_address_to_string (gdbarch->target_desc)); + fprintf_unfiltered (file, + "gdbarch_dump: type_align = <%s>\n", + host_address_to_string (gdbarch->type_align)); fprintf_unfiltered (file, "gdbarch_dump: gdbarch_unwind_pc_p() = %d\n", gdbarch_unwind_pc_p (gdbarch)); @@ -1626,23 +1626,6 @@ set_gdbarch_long_long_bit (struct gdbarch *gdbarch, gdbarch->long_long_bit = long_long_bit; } -int -gdbarch_long_long_align_bit (struct gdbarch *gdbarch) -{ - gdb_assert (gdbarch != NULL); - /* Skip verify of long_long_align_bit, invalid_p == 0 */ - if (gdbarch_debug >= 2) - fprintf_unfiltered (gdb_stdlog, "gdbarch_long_long_align_bit called\n"); - return gdbarch->long_long_align_bit; -} - -void -set_gdbarch_long_long_align_bit (struct gdbarch *gdbarch, - int long_long_align_bit) -{ - gdbarch->long_long_align_bit = long_long_align_bit; -} - int gdbarch_half_bit (struct gdbarch *gdbarch) { @@ -3225,6 +3208,7 @@ int gdbarch_significant_addr_bit (struct gdbarch *gdbarch) { gdb_assert (gdbarch != NULL); + /* Skip verify of significant_addr_bit, invalid_p == 0 */ if (gdbarch_debug >= 2) fprintf_unfiltered (gdb_stdlog, "gdbarch_significant_addr_bit called\n"); return gdbarch->significant_addr_bit; @@ -3353,6 +3337,23 @@ set_gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, gdbarch->in_solib_return_trampoline = in_solib_return_trampoline; } +bool +gdbarch_in_indirect_branch_thunk (struct gdbarch *gdbarch, CORE_ADDR pc) +{ + gdb_assert (gdbarch != NULL); + gdb_assert (gdbarch->in_indirect_branch_thunk != NULL); + if (gdbarch_debug >= 2) + fprintf_unfiltered (gdb_stdlog, "gdbarch_in_indirect_branch_thunk called\n"); + return gdbarch->in_indirect_branch_thunk (gdbarch, pc); +} + +void +set_gdbarch_in_indirect_branch_thunk (struct gdbarch *gdbarch, + gdbarch_in_indirect_branch_thunk_ftype in_indirect_branch_thunk) +{ + gdbarch->in_indirect_branch_thunk = in_indirect_branch_thunk; +} + int gdbarch_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR addr) { @@ -5077,6 +5078,23 @@ set_gdbarch_valid_disassembler_options (struct gdbarch *gdbarch, gdbarch->valid_disassembler_options = valid_disassembler_options; } +ULONGEST +gdbarch_type_align (struct gdbarch *gdbarch, struct type *type) +{ + gdb_assert (gdbarch != NULL); + gdb_assert (gdbarch->type_align != NULL); + if (gdbarch_debug >= 2) + fprintf_unfiltered (gdb_stdlog, "gdbarch_type_align called\n"); + return gdbarch->type_align (gdbarch, type); +} + +void +set_gdbarch_type_align (struct gdbarch *gdbarch, + gdbarch_type_align_ftype type_align) +{ + gdbarch->type_align = type_align; +} + /* Keep a registry of per-architecture data-pointers required by GDB modules. */