diff options
Diffstat (limited to 'gdb/hppa-tdep.c')
| -rw-r--r-- | gdb/hppa-tdep.c | 246 |
1 files changed, 75 insertions, 171 deletions
diff --git a/gdb/hppa-tdep.c b/gdb/hppa-tdep.c index 20ad6c0..ad81ebe 100644 --- a/gdb/hppa-tdep.c +++ b/gdb/hppa-tdep.c @@ -150,9 +150,7 @@ extern value_ptr find_function_in_inferior (char *); /* Should call_function allocate stack space for a struct return? */ int -hppa_use_struct_convention (gcc_p, type) - int gcc_p; - struct type *type; +hppa_use_struct_convention (int gcc_p, struct type *type) { return (TYPE_LENGTH (type) > 2 * REGISTER_SIZE); } @@ -165,8 +163,7 @@ hppa_use_struct_convention (gcc_p, type) value. */ static int -sign_extend (val, bits) - unsigned val, bits; +sign_extend (unsigned val, unsigned bits) { return (int) (val >> (bits - 1) ? (-1 << bits) | val : val); } @@ -174,8 +171,7 @@ sign_extend (val, bits) /* For many immediate values the sign bit is the low bit! */ static int -low_sign_extend (val, bits) - unsigned val, bits; +low_sign_extend (unsigned val, unsigned bits) { return (int) ((val & 0x1 ? (-1 << (bits - 1)) : 0) | val >> 1); } @@ -183,8 +179,7 @@ low_sign_extend (val, bits) /* extract the immediate field from a ld{bhw}s instruction */ static int -extract_5_load (word) - unsigned word; +extract_5_load (unsigned word) { return low_sign_extend (word >> 16 & MASK_5, 5); } @@ -192,8 +187,7 @@ extract_5_load (word) /* extract the immediate field from a break instruction */ static unsigned -extract_5r_store (word) - unsigned word; +extract_5r_store (unsigned word) { return (word & MASK_5); } @@ -201,8 +195,7 @@ extract_5r_store (word) /* extract the immediate field from a {sr}sm instruction */ static unsigned -extract_5R_store (word) - unsigned word; +extract_5R_store (unsigned word) { return (word >> 16 & MASK_5); } @@ -210,8 +203,7 @@ extract_5R_store (word) /* extract a 14 bit immediate field */ static int -extract_14 (word) - unsigned word; +extract_14 (unsigned word) { return low_sign_extend (word & MASK_14, 14); } @@ -219,9 +211,7 @@ extract_14 (word) /* deposit a 14 bit constant in a word */ static unsigned -deposit_14 (opnd, word) - int opnd; - unsigned word; +deposit_14 (int opnd, unsigned word) { unsigned sign = (opnd < 0 ? 1 : 0); @@ -231,8 +221,7 @@ deposit_14 (opnd, word) /* extract a 21 bit constant */ static int -extract_21 (word) - unsigned word; +extract_21 (unsigned word) { int val; @@ -255,8 +244,7 @@ extract_21 (word) the low 21 bits of opnd are relevant */ static unsigned -deposit_21 (opnd, word) - unsigned opnd, word; +deposit_21 (unsigned opnd, unsigned word) { unsigned val = 0; @@ -276,8 +264,7 @@ deposit_21 (opnd, word) 19 bit signed value. */ static int -extract_17 (word) - unsigned word; +extract_17 (unsigned word) { return sign_extend (GET_FIELD (word, 19, 28) | GET_FIELD (word, 29, 29) << 10 | @@ -291,9 +278,7 @@ extract_17 (word) larger than the first, and zero if they are equal. */ static int -compare_unwind_entries (arg1, arg2) - const void *arg1; - const void *arg2; +compare_unwind_entries (const void *arg1, const void *arg2) { const struct unwind_table_entry *a = arg1; const struct unwind_table_entry *b = arg2; @@ -321,12 +306,9 @@ record_text_segment_lowaddr (abfd, section, ignored) } static void -internalize_unwinds (objfile, table, section, entries, size, text_offset) - struct objfile *objfile; - struct unwind_table_entry *table; - asection *section; - unsigned int entries, size; - CORE_ADDR text_offset; +internalize_unwinds (struct objfile *objfile, struct unwind_table_entry *table, + asection *section, unsigned int entries, unsigned int size, + CORE_ADDR text_offset) { /* We will read the unwind entries into temporary memory, then fill in the actual unwind table. */ @@ -418,8 +400,7 @@ internalize_unwinds (objfile, table, section, entries, size, text_offset) gets freed when the objfile is destroyed. */ static void -read_unwind_info (objfile) - struct objfile *objfile; +read_unwind_info (struct objfile *objfile) { asection *unwind_sec, *stub_unwind_sec; unsigned unwind_size, stub_unwind_size, total_size; @@ -561,8 +542,7 @@ read_unwind_info (objfile) search of the unwind tables, we depend upon them to be sorted. */ struct unwind_table_entry * -find_unwind_entry (pc) - CORE_ADDR pc; +find_unwind_entry (CORE_ADDR pc) { int first, middle, last; struct objfile *objfile; @@ -624,8 +604,7 @@ find_unwind_entry (pc) bizarre way in which someone (?) decided they wanted to handle frame pointerless code in GDB. */ int -hpread_adjust_stack_address (func_addr) - CORE_ADDR func_addr; +hpread_adjust_stack_address (CORE_ADDR func_addr) { struct unwind_table_entry *u; @@ -640,8 +619,7 @@ hpread_adjust_stack_address (func_addr) kind. */ static int -pc_in_interrupt_handler (pc) - CORE_ADDR pc; +pc_in_interrupt_handler (CORE_ADDR pc) { struct unwind_table_entry *u; struct minimal_symbol *msym_us; @@ -663,8 +641,7 @@ pc_in_interrupt_handler (pc) ?!? Need to handle stubs which appear in PA64 code. */ static int -pc_in_linker_stub (pc) - CORE_ADDR pc; +pc_in_linker_stub (CORE_ADDR pc) { int found_magic_instruction = 0; int i; @@ -729,8 +706,7 @@ pc_in_linker_stub (pc) } static int -find_return_regnum (pc) - CORE_ADDR pc; +find_return_regnum (CORE_ADDR pc) { struct unwind_table_entry *u; @@ -747,8 +723,7 @@ find_return_regnum (pc) /* Return size of frame, or -1 if we should use a frame pointer. */ static int -find_proc_framesize (pc) - CORE_ADDR pc; +find_proc_framesize (CORE_ADDR pc) { struct unwind_table_entry *u; struct minimal_symbol *msym_us; @@ -783,8 +758,7 @@ find_proc_framesize (pc) static int rp_saved (CORE_ADDR); static int -rp_saved (pc) - CORE_ADDR pc; +rp_saved (CORE_ADDR pc) { struct unwind_table_entry *u; @@ -823,8 +797,7 @@ rp_saved (pc) } int -frameless_function_invocation (frame) - struct frame_info *frame; +frameless_function_invocation (struct frame_info *frame) { struct unwind_table_entry *u; @@ -837,8 +810,7 @@ frameless_function_invocation (frame) } CORE_ADDR -saved_pc_after_call (frame) - struct frame_info *frame; +saved_pc_after_call (struct frame_info *frame) { int ret_regnum; CORE_ADDR pc; @@ -857,8 +829,7 @@ saved_pc_after_call (frame) } CORE_ADDR -hppa_frame_saved_pc (frame) - struct frame_info *frame; +hppa_frame_saved_pc (struct frame_info *frame) { CORE_ADDR pc = get_frame_pc (frame); struct unwind_table_entry *u; @@ -1037,9 +1008,7 @@ hppa_frame_saved_pc (frame) in a system call. */ void -init_extra_frame_info (fromleaf, frame) - int fromleaf; - struct frame_info *frame; +init_extra_frame_info (int fromleaf, struct frame_info *frame) { int flags; int framesize; @@ -1096,8 +1065,7 @@ init_extra_frame_info (fromleaf, frame) a frame pointer calls code without a frame pointer. */ CORE_ADDR -frame_chain (frame) - struct frame_info *frame; +frame_chain (struct frame_info *frame) { int my_framesize, caller_framesize; struct unwind_table_entry *u; @@ -1353,9 +1321,7 @@ frame_chain (frame) was compiled with gcc. */ int -hppa_frame_chain_valid (chain, thisframe) - CORE_ADDR chain; - struct frame_info *thisframe; +hppa_frame_chain_valid (CORE_ADDR chain, struct frame_info *thisframe) { struct minimal_symbol *msym_us; struct minimal_symbol *msym_start; @@ -1416,8 +1382,7 @@ hppa_frame_chain_valid (chain, thisframe) to be aligned to a 64-byte boundary. */ void -push_dummy_frame (inf_status) - struct inferior_status *inf_status; +push_dummy_frame (struct inferior_status *inf_status) { CORE_ADDR sp, pc, pcspace; register int regnum; @@ -1494,9 +1459,8 @@ push_dummy_frame (inf_status) } static void -find_dummy_frame_regs (frame, frame_saved_regs) - struct frame_info *frame; - struct frame_saved_regs *frame_saved_regs; +find_dummy_frame_regs (struct frame_info *frame, + struct frame_saved_regs *frame_saved_regs) { CORE_ADDR fp = frame->frame; int i; @@ -1536,7 +1500,7 @@ find_dummy_frame_regs (frame, frame_saved_regs) } void -hppa_pop_frame () +hppa_pop_frame (void) { register struct frame_info *frame = get_current_frame (); register CORE_ADDR fp, npc, target_pc; @@ -1634,8 +1598,7 @@ hppa_pop_frame () queue space registers. */ static int -restore_pc_queue (fsr) - struct frame_saved_regs *fsr; +restore_pc_queue (struct frame_saved_regs *fsr) { CORE_ADDR pc = read_pc (); CORE_ADDR new_pc = read_memory_integer (fsr->regs[PCOQ_HEAD_REGNUM], @@ -1705,12 +1668,8 @@ restore_pc_queue (fsr) to the callee, so we do that too. */ CORE_ADDR -hppa_push_arguments (nargs, args, sp, struct_return, struct_addr) - int nargs; - value_ptr *args; - CORE_ADDR sp; - int struct_return; - CORE_ADDR struct_addr; +hppa_push_arguments (int nargs, value_ptr *args, CORE_ADDR sp, + int struct_return, CORE_ADDR struct_addr) { /* array of arguments' offsets */ int *offset = (int *) alloca (nargs * sizeof (int)); @@ -1828,12 +1787,8 @@ hppa_push_arguments (nargs, args, sp, struct_return, struct_addr) arguments into registers as needed by the ABI. */ CORE_ADDR -hppa_push_arguments (nargs, args, sp, struct_return, struct_addr) - int nargs; - value_ptr *args; - CORE_ADDR sp; - int struct_return; - CORE_ADDR struct_addr; +hppa_push_arguments (int nargs, value_ptr *args, CORE_ADDR sp, + int struct_return, CORE_ADDR struct_addr) { /* array of arguments' offsets */ int *offset = (int *) alloca (nargs * sizeof (int)); @@ -1922,9 +1877,7 @@ hppa_push_arguments (nargs, args, sp, struct_return, struct_addr) gets the value from the stack rather than from the buffer where all the registers were saved when the function called completed. */ value_ptr -hppa_value_returned_from_stack (valtype, addr) - register struct type *valtype; - CORE_ADDR addr; +hppa_value_returned_from_stack (register struct type *valtype, CORE_ADDR addr) { register value_ptr val; @@ -1957,9 +1910,7 @@ hppa_value_returned_from_stack (valtype, addr) man entry for shl_findsym */ CORE_ADDR -find_stub_with_shl_get (function, handle) - struct minimal_symbol *function; - CORE_ADDR handle; +find_stub_with_shl_get (struct minimal_symbol *function, CORE_ADDR handle) { struct symbol *get_sym, *symbol2; struct minimal_symbol *buff_minsym, *msymbol; @@ -2058,14 +2009,8 @@ cover_find_stub_with_shl_get (PTR args_untyped) Please contact Jeff Law (law@cygnus.com) before changing this code. */ CORE_ADDR -hppa_fix_call_dummy (dummy, pc, fun, nargs, args, type, gcc_p) - char *dummy; - CORE_ADDR pc; - CORE_ADDR fun; - int nargs; - value_ptr *args; - struct type *type; - int gcc_p; +hppa_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs, + value_ptr *args, struct type *type, int gcc_p) { CORE_ADDR dyncall_addr; struct minimal_symbol *msymbol; @@ -2441,8 +2386,7 @@ hppa_fix_call_dummy (dummy, pc, fun, nargs, args, type, gcc_p) We'll return zero in that case, rather than attempting to read it and cause a warning. */ CORE_ADDR -target_read_fp (pid) - int pid; +target_read_fp (int pid) { int flags = read_register (FLAGS_REGNUM); @@ -2461,8 +2405,7 @@ target_read_fp (pid) bits. */ CORE_ADDR -target_read_pc (pid) - int pid; +target_read_pc (int pid) { int flags = read_register_pid (FLAGS_REGNUM, pid); @@ -2479,9 +2422,7 @@ target_read_pc (pid) PC value into %r31. */ void -target_write_pc (v, pid) - CORE_ADDR v; - int pid; +target_write_pc (CORE_ADDR v, int pid) { int flags = read_register_pid (FLAGS_REGNUM, pid); @@ -2501,8 +2442,7 @@ target_write_pc (v, pid) alignment required by their fields. */ static int -hppa_alignof (type) - struct type *type; +hppa_alignof (struct type *type) { int max_align, align, i; CHECK_TYPEDEF (type); @@ -2536,9 +2476,7 @@ hppa_alignof (type) /* Print the register regnum, or all registers if regnum is -1 */ void -pa_do_registers_info (regnum, fpregs) - int regnum; - int fpregs; +pa_do_registers_info (int regnum, int fpregs) { char raw_regs[REGISTER_BYTES]; int i; @@ -2581,11 +2519,8 @@ pa_do_registers_info (regnum, fpregs) /********** new function ********************/ void -pa_do_strcat_registers_info (regnum, fpregs, stream, precision) - int regnum; - int fpregs; - struct ui_file *stream; - enum precision_type precision; +pa_do_strcat_registers_info (int regnum, int fpregs, struct ui_file *stream, + enum precision_type precision) { char raw_regs[REGISTER_BYTES]; int i; @@ -2634,10 +2569,7 @@ pa_do_strcat_registers_info (regnum, fpregs, stream, precision) Note that reg_val is really expected to be an array of longs, with two elements. */ static void -pa_register_look_aside (raw_regs, regnum, raw_val) - char *raw_regs; - int regnum; - long *raw_val; +pa_register_look_aside (char *raw_regs, int regnum, long *raw_val) { static int know_which = 0; /* False */ @@ -2740,10 +2672,7 @@ error_exit: /* "Info all-reg" command */ static void -pa_print_registers (raw_regs, regnum, fpregs) - char *raw_regs; - int regnum; - int fpregs; +pa_print_registers (char *raw_regs, int regnum, int fpregs) { int i, j; /* Alas, we are compiled so that "long long" is 32 bits */ @@ -2795,11 +2724,8 @@ pa_print_registers (raw_regs, regnum, fpregs) /************* new function ******************/ static void -pa_strcat_registers (raw_regs, regnum, fpregs, stream) - char *raw_regs; - int regnum; - int fpregs; - struct ui_file *stream; +pa_strcat_registers (char *raw_regs, int regnum, int fpregs, + struct ui_file *stream) { int i, j; long raw_val[2]; /* Alas, we are compiled so that "long long" is 32 bits */ @@ -2846,8 +2772,7 @@ pa_strcat_registers (raw_regs, regnum, fpregs, stream) } static void -pa_print_fp_reg (i) - int i; +pa_print_fp_reg (int i) { char raw_buffer[MAX_REGISTER_RAW_SIZE]; char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE]; @@ -2890,10 +2815,7 @@ pa_print_fp_reg (i) /*************** new function ***********************/ static void -pa_strcat_fp_reg (i, stream, precision) - int i; - struct ui_file *stream; - enum precision_type precision; +pa_strcat_fp_reg (int i, struct ui_file *stream, enum precision_type precision) { char raw_buffer[MAX_REGISTER_RAW_SIZE]; char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE]; @@ -2936,9 +2858,7 @@ pa_strcat_fp_reg (i, stream, precision) just shared library trampolines (import, export). */ int -in_solib_call_trampoline (pc, name) - CORE_ADDR pc; - char *name; +in_solib_call_trampoline (CORE_ADDR pc, char *name) { struct minimal_symbol *minsym; struct unwind_table_entry *u; @@ -3098,9 +3018,7 @@ in_solib_call_trampoline (pc, name) just shared library trampolines (import, export). */ int -in_solib_return_trampoline (pc, name) - CORE_ADDR pc; - char *name; +in_solib_return_trampoline (CORE_ADDR pc, char *name) { struct unwind_table_entry *u; @@ -3173,9 +3091,7 @@ in_solib_return_trampoline (pc, name) used in dynamic executables. */ CORE_ADDR -skip_trampoline_code (pc, name) - CORE_ADDR pc; - char *name; +skip_trampoline_code (CORE_ADDR pc, char *name) { long orig_pc = pc; long prev_inst, curr_inst, loc; @@ -3450,8 +3366,7 @@ skip_trampoline_code (pc, name) This only handles instructions commonly found in prologues. */ static int -prologue_inst_adjust_sp (inst) - unsigned long inst; +prologue_inst_adjust_sp (unsigned long inst) { /* This must persist across calls. */ static int save_high21; @@ -3490,8 +3405,7 @@ prologue_inst_adjust_sp (inst) /* Return nonzero if INST is a branch of some kind, else return zero. */ static int -is_branch (inst) - unsigned long inst; +is_branch (unsigned long inst) { switch (inst >> 26) { @@ -3524,8 +3438,7 @@ is_branch (inst) zero it INST does not save a GR. */ static int -inst_saves_gr (inst) - unsigned long inst; +inst_saves_gr (unsigned long inst) { /* Does it look like a stw? */ if ((inst >> 26) == 0x1a || (inst >> 26) == 0x1b @@ -3564,8 +3477,7 @@ inst_saves_gr (inst) FIXME: What about argument stores with the HP compiler in ANSI mode? */ static int -inst_saves_fr (inst) - unsigned long inst; +inst_saves_fr (unsigned long inst) { /* is this an FSTD ? */ if ((inst & 0xfc00dfc0) == 0x2c001200) @@ -3588,8 +3500,7 @@ inst_saves_fr (inst) CORE_ADDR -skip_prologue_hard_way (pc) - CORE_ADDR pc; +skip_prologue_hard_way (CORE_ADDR pc) { char buf[4]; CORE_ADDR orig_pc = pc; @@ -3821,8 +3732,7 @@ restart: we can determine it from the debug symbols. Else return zero. */ static CORE_ADDR -after_prologue (pc) - CORE_ADDR pc; +after_prologue (CORE_ADDR pc) { struct symtab_and_line sal; CORE_ADDR func_addr, func_end; @@ -3863,8 +3773,7 @@ after_prologue (pc) stuff some day. */ CORE_ADDR -hppa_skip_prologue (pc) - CORE_ADDR pc; +hppa_skip_prologue (CORE_ADDR pc) { unsigned long inst; int offset; @@ -3896,9 +3805,8 @@ hppa_skip_prologue (pc) the address we return for it IS the sp for the next frame. */ void -hppa_frame_find_saved_regs (frame_info, frame_saved_regs) - struct frame_info *frame_info; - struct frame_saved_regs *frame_saved_regs; +hppa_frame_find_saved_regs (struct frame_info *frame_info, + struct frame_saved_regs *frame_saved_regs) { CORE_ADDR pc; struct unwind_table_entry *u; @@ -4185,7 +4093,7 @@ static struct symtab_and_line *break_callback_sal = 0; 0 => success 1 => failure */ int -setup_d_pid_in_inferior () +setup_d_pid_in_inferior (void) { CORE_ADDR anaddr; struct minimal_symbol *msymbol; @@ -4219,7 +4127,7 @@ setup_d_pid_in_inferior () 1 => success */ static int -initialize_hp_cxx_exception_support () +initialize_hp_cxx_exception_support (void) { struct symtabs_and_lines sals; struct cleanup *old_chain; @@ -4440,9 +4348,7 @@ initialize_hp_cxx_exception_support () address was found. */ struct symtab_and_line * -child_enable_exception_callback (kind, enable) - enum exception_event_kind kind; - int enable; +child_enable_exception_callback (enum exception_event_kind kind, int enable) { char buf[4]; @@ -4532,7 +4438,7 @@ static struct symtab_and_line null_symtab_and_line = and where it will be caught. More information may be reported in the future */ struct exception_event_record * -child_get_current_exception_event () +child_get_current_exception_event (void) { CORE_ADDR event_kind; CORE_ADDR throw_addr; @@ -4591,9 +4497,7 @@ child_get_current_exception_event () } static void -unwind_command (exp, from_tty) - char *exp; - int from_tty; +unwind_command (char *exp, int from_tty) { CORE_ADDR address; struct unwind_table_entry *u; @@ -4698,7 +4602,7 @@ unwind_command (exp, from_tty) here, that's what counts, as core gdb is the one which is putting the BPT instruction in and taking it out. */ int -hppa_prepare_to_proceed () +hppa_prepare_to_proceed (void) { pid_t old_thread; pid_t current_thread; @@ -4743,7 +4647,7 @@ hppa_prepare_to_proceed () #endif /* PREPARE_TO_PROCEED */ void -hppa_skip_permanent_breakpoint () +hppa_skip_permanent_breakpoint (void) { /* To step over a breakpoint instruction on the PA takes some fiddling with the instruction address queue. @@ -4767,7 +4671,7 @@ hppa_skip_permanent_breakpoint () } void -_initialize_hppa_tdep () +_initialize_hppa_tdep (void) { tm_print_insn = print_insn_hppa; |