diff options
Diffstat (limited to 'gdb/hppa-tdep.c')
| -rw-r--r-- | gdb/hppa-tdep.c | 85 |
1 files changed, 52 insertions, 33 deletions
diff --git a/gdb/hppa-tdep.c b/gdb/hppa-tdep.c index 6d70c6d..072e687 100644 --- a/gdb/hppa-tdep.c +++ b/gdb/hppa-tdep.c @@ -540,6 +540,7 @@ find_unwind_entry (CORE_ADDR pc) static int hppa_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc) { + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); unsigned long status; unsigned int inst; char buf[4]; @@ -549,7 +550,7 @@ hppa_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc) if (status != 0) return 0; - inst = extract_unsigned_integer (buf, 4); + inst = extract_unsigned_integer (buf, 4, byte_order); /* The most common way to perform a stack adjustment ldo X(sp),sp We are destroying a stack frame if the offset is negative. */ @@ -690,6 +691,8 @@ hppa32_push_dummy_call (struct gdbarch *gdbarch, struct value *function, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr) { + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); + /* Stack base address at which any pass-by-reference parameters are stored. */ CORE_ADDR struct_end = 0; @@ -737,7 +740,8 @@ hppa32_push_dummy_call (struct gdbarch *gdbarch, struct value *function, if (write_pass) write_memory (struct_end - struct_ptr, value_contents (arg), TYPE_LENGTH (type)); - store_unsigned_integer (param_val, 4, struct_end - struct_ptr); + store_unsigned_integer (param_val, 4, byte_order, + struct_end - struct_ptr); } else if (TYPE_CODE (type) == TYPE_CODE_INT || TYPE_CODE (type) == TYPE_CODE_ENUM) @@ -745,7 +749,7 @@ hppa32_push_dummy_call (struct gdbarch *gdbarch, struct value *function, /* Integer value store, right aligned. "unpack_long" takes care of any sign-extension problems. */ param_len = align_up (TYPE_LENGTH (type), 4); - store_unsigned_integer (param_val, param_len, + store_unsigned_integer (param_val, param_len, byte_order, unpack_long (type, value_contents (arg))); } @@ -898,8 +902,9 @@ hppa64_floating_p (const struct type *type) function descriptor and return its address instead. If CODE is not a function entry address, then just return it unchanged. */ static CORE_ADDR -hppa64_convert_code_addr_to_fptr (CORE_ADDR code) +hppa64_convert_code_addr_to_fptr (struct gdbarch *gdbarch, CORE_ADDR code) { + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); struct obj_section *sec, *opd; sec = find_pc_section (code); @@ -930,7 +935,7 @@ hppa64_convert_code_addr_to_fptr (CORE_ADDR code) if (target_read_memory (addr, tmp, sizeof (tmp))) break; - opdaddr = extract_unsigned_integer (tmp, sizeof (tmp)); + opdaddr = extract_unsigned_integer (tmp, sizeof (tmp), byte_order); if (opdaddr == code) return addr - 16; @@ -947,6 +952,7 @@ hppa64_push_dummy_call (struct gdbarch *gdbarch, struct value *function, int struct_return, CORE_ADDR struct_addr) { struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); int i, offset = 0; CORE_ADDR gp; @@ -1044,8 +1050,9 @@ hppa64_push_dummy_call (struct gdbarch *gdbarch, struct value *function, ULONGEST codeptr, fptr; codeptr = unpack_long (type, value_contents (arg)); - fptr = hppa64_convert_code_addr_to_fptr (codeptr); - store_unsigned_integer (fptrbuf, TYPE_LENGTH (type), fptr); + fptr = hppa64_convert_code_addr_to_fptr (gdbarch, codeptr); + store_unsigned_integer (fptrbuf, TYPE_LENGTH (type), byte_order, + fptr); valbuf = fptrbuf; } else @@ -1476,6 +1483,7 @@ static CORE_ADDR skip_prologue_hard_way (struct gdbarch *gdbarch, CORE_ADDR pc, int stop_before_branch) { + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); char buf[4]; CORE_ADDR orig_pc = pc; unsigned long inst, stack_remaining, save_gr, save_fr, save_rp, save_sp; @@ -1557,7 +1565,7 @@ restart: old_stack_remaining = stack_remaining; status = target_read_memory (pc, buf, 4); - inst = extract_unsigned_integer (buf, 4); + inst = extract_unsigned_integer (buf, 4, byte_order); /* Yow! */ if (status != 0) @@ -1608,7 +1616,7 @@ restart: { pc += 4; status = target_read_memory (pc, buf, 4); - inst = extract_unsigned_integer (buf, 4); + inst = extract_unsigned_integer (buf, 4, byte_order); if (status != 0) return pc; reg_num = inst_saves_gr (inst); @@ -1621,7 +1629,7 @@ restart: save_fr &= ~(1 << reg_num); status = target_read_memory (pc + 4, buf, 4); - next_inst = extract_unsigned_integer (buf, 4); + next_inst = extract_unsigned_integer (buf, 4, byte_order); /* Yow! */ if (status != 0) @@ -1652,13 +1660,13 @@ restart: { pc += 8; status = target_read_memory (pc, buf, 4); - inst = extract_unsigned_integer (buf, 4); + inst = extract_unsigned_integer (buf, 4, byte_order); if (status != 0) return pc; if ((inst & 0xfc000000) != 0x34000000) break; status = target_read_memory (pc + 4, buf, 4); - next_inst = extract_unsigned_integer (buf, 4); + next_inst = extract_unsigned_integer (buf, 4, byte_order); if (status != 0) return pc; reg_num = inst_saves_fr (next_inst); @@ -1816,6 +1824,8 @@ static struct hppa_frame_cache * hppa_frame_cache (struct frame_info *this_frame, void **this_cache) { struct gdbarch *gdbarch = get_frame_arch (this_frame); + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); + int word_size = gdbarch_ptr_bit (gdbarch) / 8; struct hppa_frame_cache *cache; long saved_gr_mask; long saved_fr_mask; @@ -1940,7 +1950,7 @@ hppa_frame_cache (struct frame_info *this_frame, void **this_cache) return (*this_cache); } - inst = extract_unsigned_integer (buf4, sizeof buf4); + inst = extract_unsigned_integer (buf4, sizeof buf4, byte_order); /* Note the interesting effects of this instruction. */ frame_size += prologue_inst_adjust_sp (inst); @@ -2109,8 +2119,7 @@ hppa_frame_cache (struct frame_info *this_frame, void **this_cache) /* Both we're expecting the SP to be saved and the SP has been saved. The entry SP value is saved at this frame's SP address. */ - cache->base = read_memory_integer - (this_sp, gdbarch_ptr_bit (gdbarch) / 8); + cache->base = read_memory_integer (this_sp, word_size, byte_order); if (hppa_debug) fprintf_unfiltered (gdb_stdlog, " (base=%s) [saved]", @@ -2265,6 +2274,8 @@ static const struct frame_unwind hppa_frame_unwind = static struct hppa_frame_cache * hppa_fallback_frame_cache (struct frame_info *this_frame, void **this_cache) { + struct gdbarch *gdbarch = get_frame_arch (this_frame); + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); struct hppa_frame_cache *cache; unsigned int frame_size = 0; int found_rp = 0; @@ -2289,7 +2300,7 @@ hppa_fallback_frame_cache (struct frame_info *this_frame, void **this_cache) { unsigned int insn; - insn = read_memory_unsigned_integer (pc, 4); + insn = read_memory_unsigned_integer (pc, 4, byte_order); frame_size += prologue_inst_adjust_sp (insn); /* There are limited ways to store the return pointer into the @@ -2444,7 +2455,7 @@ hppa_stub_unwind_sniffer (const struct frame_unwind *self, if (pc == 0 || (tdep->in_solib_call_trampoline != NULL - && tdep->in_solib_call_trampoline (pc, NULL)) + && tdep->in_solib_call_trampoline (gdbarch, pc, NULL)) || gdbarch_in_solib_return_trampoline (gdbarch, pc, NULL)) return 1; return 0; @@ -2690,12 +2701,13 @@ static void hppa_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int regnum, gdb_byte *buf) { + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); ULONGEST tmp; regcache_raw_read_unsigned (regcache, regnum, &tmp); if (regnum == HPPA_PCOQ_HEAD_REGNUM || regnum == HPPA_PCOQ_TAIL_REGNUM) tmp &= ~0x3; - store_unsigned_integer (buf, sizeof tmp, tmp); + store_unsigned_integer (buf, sizeof tmp, byte_order, tmp); } static CORE_ADDR @@ -2710,6 +2722,7 @@ hppa_frame_prev_register_helper (struct frame_info *this_frame, int regnum) { struct gdbarch *arch = get_frame_arch (this_frame); + enum bfd_endian byte_order = gdbarch_byte_order (arch); if (regnum == HPPA_PCOQ_TAIL_REGNUM) { @@ -2719,7 +2732,8 @@ hppa_frame_prev_register_helper (struct frame_info *this_frame, trad_frame_get_prev_register (this_frame, saved_regs, HPPA_PCOQ_HEAD_REGNUM); - pc = extract_unsigned_integer (value_contents_all (pcoq_val), size); + pc = extract_unsigned_integer (value_contents_all (pcoq_val), + size, byte_order); return frame_unwind_got_constant (this_frame, regnum, pc + 4); } @@ -2817,9 +2831,10 @@ static struct insn_pattern hppa_sigtramp[] = { matched. */ static int -hppa_match_insns (CORE_ADDR pc, struct insn_pattern *pattern, - unsigned int *insn) +hppa_match_insns (struct gdbarch *gdbarch, CORE_ADDR pc, + struct insn_pattern *pattern, unsigned int *insn) { + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); CORE_ADDR npc = pc; int i; @@ -2828,7 +2843,7 @@ hppa_match_insns (CORE_ADDR pc, struct insn_pattern *pattern, gdb_byte buf[HPPA_INSN_SIZE]; target_read_memory (npc, buf, HPPA_INSN_SIZE); - insn[i] = extract_unsigned_integer (buf, HPPA_INSN_SIZE); + insn[i] = extract_unsigned_integer (buf, HPPA_INSN_SIZE, byte_order); if ((insn[i] & pattern[i].mask) == pattern[i].data) npc += 4; else @@ -2843,8 +2858,8 @@ hppa_match_insns (CORE_ADDR pc, struct insn_pattern *pattern, instruction scheme. */ static int -hppa_match_insns_relaxed (CORE_ADDR pc, struct insn_pattern *pattern, - unsigned int *insn) +hppa_match_insns_relaxed (struct gdbarch *gdbarch, CORE_ADDR pc, + struct insn_pattern *pattern, unsigned int *insn) { int offset, len = 0; @@ -2852,7 +2867,8 @@ hppa_match_insns_relaxed (CORE_ADDR pc, struct insn_pattern *pattern, len++; for (offset = 0; offset < len; offset++) - if (hppa_match_insns (pc - offset * HPPA_INSN_SIZE, pattern, insn)) + if (hppa_match_insns (gdbarch, pc - offset * HPPA_INSN_SIZE, + pattern, insn)) return 1; return 0; @@ -2871,7 +2887,8 @@ hppa_in_dyncall (CORE_ADDR pc) } int -hppa_in_solib_call_trampoline (CORE_ADDR pc, char *name) +hppa_in_solib_call_trampoline (struct gdbarch *gdbarch, + CORE_ADDR pc, char *name) { unsigned int insn[HPPA_MAX_INSN_PATTERN_LEN]; struct unwind_table_entry *u; @@ -2887,10 +2904,12 @@ hppa_in_solib_call_trampoline (CORE_ADDR pc, char *name) if (u != NULL) return 0; - return (hppa_match_insns_relaxed (pc, hppa_import_stub, insn) - || hppa_match_insns_relaxed (pc, hppa_import_pic_stub, insn) - || hppa_match_insns_relaxed (pc, hppa_long_branch_stub, insn) - || hppa_match_insns_relaxed (pc, hppa_long_branch_pic_stub, insn)); + return + (hppa_match_insns_relaxed (gdbarch, pc, hppa_import_stub, insn) + || hppa_match_insns_relaxed (gdbarch, pc, hppa_import_pic_stub, insn) + || hppa_match_insns_relaxed (gdbarch, pc, hppa_long_branch_stub, insn) + || hppa_match_insns_relaxed (gdbarch, pc, + hppa_long_branch_pic_stub, insn)); } /* This code skips several kind of "trampolines" used on PA-RISC @@ -2917,8 +2936,8 @@ hppa_skip_trampoline_code (struct frame_info *frame, CORE_ADDR pc) return pc; } - dp_rel = hppa_match_insns (pc, hppa_import_stub, insn); - if (dp_rel || hppa_match_insns (pc, hppa_import_pic_stub, insn)) + dp_rel = hppa_match_insns (gdbarch, pc, hppa_import_stub, insn); + if (dp_rel || hppa_match_insns (gdbarch, pc, hppa_import_pic_stub, insn)) { /* Extract the target address from the addil/ldw sequence. */ pc = hppa_extract_21 (insn[0]) + hppa_extract_14 (insn[1]); @@ -2940,7 +2959,7 @@ hppa_skip_trampoline_code (struct frame_info *frame, CORE_ADDR pc) if (in_plt_section (pc, NULL)) { /* Sanity check: are we pointing to the PLT stub? */ - if (!hppa_match_insns (pc, hppa_plt_stub, insn)) + if (!hppa_match_insns (gdbarch, pc, hppa_plt_stub, insn)) { warning (_("Cannot resolve PLT stub at %s."), paddress (gdbarch, pc)); |