X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gdb%2Fz8k-tdep.c;h=622cbc007776aeb439bf356b98847bbcad50a96a;hb=fefd0a378f5aff09fb63003bc2a6bb2e2d66ffee;hp=b3f85bd0f82adde0db5a7e23b35a87ccf15167f6;hpb=dc9e099fc0eced486ae2b49455c9da113c11f4ff;p=binutils-gdb.git diff --git a/gdb/z8k-tdep.c b/gdb/z8k-tdep.c index b3f85bd0f82..622cbc00777 100644 --- a/gdb/z8k-tdep.c +++ b/gdb/z8k-tdep.c @@ -1,5 +1,6 @@ /* Target-machine dependent code for Zilog Z8000, for GDB. - Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc. + Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001 + Free Software Foundation, Inc. This file is part of GDB. @@ -31,7 +32,12 @@ #include "gdbtypes.h" #include "dis-asm.h" #include "gdbcore.h" +#include "regcache.h" +#include "value.h" /* For read_register() */ + + +static int read_memory_pointer (CORE_ADDR x); /* Return the saved PC from this frame. @@ -39,8 +45,7 @@ just use the register SRP_REGNUM itself. */ CORE_ADDR -frame_saved_pc (frame) - struct frame_info *frame; +z8k_frame_saved_pc (struct frame_info *frame) { return read_memory_pointer (frame->frame + (BIG ? 4 : 2)); } @@ -58,9 +63,7 @@ frame_saved_pc (frame) return the pc pointing to the first push */ static CORE_ADDR -skip_adjust (pc, size) - CORE_ADDR pc; - int *size; +skip_adjust (CORE_ADDR pc, int *size) { *size = 0; @@ -81,12 +84,9 @@ skip_adjust (pc, size) return pc; } -static CORE_ADDR examine_frame PARAMS ((CORE_ADDR, CORE_ADDR * regs, CORE_ADDR)); +static CORE_ADDR examine_frame (CORE_ADDR, CORE_ADDR * regs, CORE_ADDR); static CORE_ADDR -examine_frame (pc, regs, sp) - CORE_ADDR pc; - CORE_ADDR *regs; - CORE_ADDR sp; +examine_frame (CORE_ADDR pc, CORE_ADDR *regs, CORE_ADDR sp) { int w = read_memory_short (pc); int offset = 0; @@ -137,8 +137,7 @@ examine_frame (pc, regs, sp) } CORE_ADDR -z8k_skip_prologue (start_pc) - CORE_ADDR start_pc; +z8k_skip_prologue (CORE_ADDR start_pc) { CORE_ADDR dummy[NUM_REGS]; @@ -146,22 +145,19 @@ z8k_skip_prologue (start_pc) } CORE_ADDR -z8k_addr_bits_remove (addr) - CORE_ADDR addr; +z8k_addr_bits_remove (CORE_ADDR addr) { return (addr & PTR_MASK); } -int -read_memory_pointer (x) - CORE_ADDR x; +static int +read_memory_pointer (CORE_ADDR x) { return read_memory_integer (ADDR_BITS_REMOVE (x), BIG ? 4 : 2); } CORE_ADDR -frame_chain (thisframe) - struct frame_info *thisframe; +z8k_frame_chain (struct frame_info *thisframe) { if (thisframe->prev == 0) { @@ -175,9 +171,9 @@ frame_chain (thisframe) } void -init_frame_pc () +init_frame_pc (void) { - abort (); + internal_error (__FILE__, __LINE__, "failed internal consistency check"); } /* Put here the code to store, into a struct frame_saved_regs, @@ -187,8 +183,7 @@ init_frame_pc () the address we return for it IS the sp for the next frame. */ void -z8k_frame_init_saved_regs (frame_info) - struct frame_info *frame_info; +z8k_frame_init_saved_regs (struct frame_info *frame_info) { CORE_ADDR pc; int w; @@ -202,15 +197,13 @@ z8k_frame_init_saved_regs (frame_info) } void -z8k_push_dummy_frame () +z8k_push_dummy_frame (void) { - abort (); + internal_error (__FILE__, __LINE__, "failed internal consistency check"); } int -gdb_print_insn_z8k (memaddr, info) - bfd_vma memaddr; - disassemble_info *info; +gdb_print_insn_z8k (bfd_vma memaddr, disassemble_info *info) { if (BIG) return print_insn_z8001 (memaddr, info); @@ -224,10 +217,7 @@ gdb_print_insn_z8k (memaddr, info) of the instruction. */ CORE_ADDR -NEXT_PROLOGUE_INSN (addr, lim, pword1) - CORE_ADDR addr; - CORE_ADDR lim; - short *pword1; +NEXT_PROLOGUE_INSN (CORE_ADDR addr, CORE_ADDR lim, short *pword1) { char buf[2]; if (addr < lim + 8) @@ -251,9 +241,7 @@ NEXT_PROLOGUE_INSN (addr, lim, pword1) it is fairly expensive. */ void -frame_find_saved_regs (fip, fsrp) - struct frame_info *fip; - struct frame_saved_regs *fsrp; +frame_find_saved_regs (struct frame_info *fip, struct frame_saved_regs *fsrp) { int locals; CORE_ADDR pc; @@ -295,7 +283,7 @@ frame_find_saved_regs (fip, fsrp) #endif int -saved_pc_after_call () +z8k_saved_pc_after_call (struct frame_info *frame) { return ADDR_BITS_REMOVE (read_memory_integer (read_register (SP_REGNUM), PTR_SIZE)); @@ -303,10 +291,7 @@ saved_pc_after_call () void -extract_return_value (type, regbuf, valbuf) - struct type *type; - char *regbuf; - char *valbuf; +extract_return_value (struct type *type, char *regbuf, char *valbuf) { int b; int len = TYPE_LENGTH (type); @@ -322,9 +307,7 @@ extract_return_value (type, regbuf, valbuf) } void -write_return_value (type, valbuf) - struct type *type; - char *valbuf; +write_return_value (struct type *type, char *valbuf) { int reg; int len; @@ -334,17 +317,14 @@ write_return_value (type, valbuf) } void -store_struct_return (addr, sp) - CORE_ADDR addr; - CORE_ADDR sp; +store_struct_return (CORE_ADDR addr, CORE_ADDR sp) { write_register (2, addr); } void -print_register_hook (regno) - int regno; +z8k_print_register_hook (int regno) { if ((regno & 1) == 0 && regno < 16) { @@ -378,22 +358,22 @@ print_register_hook (regno) printf_unfiltered ("\n"); for (i = 0; i < 10; i += 2) { - printf_unfiltered ("(sp+%d=%04x)", i, read_memory_short (rval + i)); + printf_unfiltered ("(sp+%d=%04x)", i, + (unsigned int)read_memory_short (rval + i)); } } } void -z8k_pop_frame () +z8k_pop_frame (void) { } struct cmd_list_element *setmemorylist; void -z8k_set_pointer_size (newsize) - int newsize; +z8k_set_pointer_size (int newsize) { static int oldsize = 0; @@ -409,37 +389,36 @@ z8k_set_pointer_size (newsize) { BIG = 0; } + /* FIXME: This code should be using the GDBARCH framework to + handle changed type sizes. If this problem is ever fixed + (the direct reference to _initialize_gdbtypes() below + eliminated) then Makefile.in should be updated so that + z8k-tdep.c is again compiled with -Werror. */ _initialize_gdbtypes (); } } static void -segmented_command (args, from_tty) - char *args; - int from_tty; +segmented_command (char *args, int from_tty) { z8k_set_pointer_size (32); } static void -unsegmented_command (args, from_tty) - char *args; - int from_tty; +unsegmented_command (char *args, int from_tty) { z8k_set_pointer_size (16); } static void -set_memory (args, from_tty) - char *args; - int from_tty; +set_memory (char *args, int from_tty) { printf_unfiltered ("\"set memory\" must be followed by the name of a memory subcommand.\n"); help_list (setmemorylist, "set memory ", -1, gdb_stdout); } void -_initialize_z8ktdep () +_initialize_z8ktdep (void) { tm_print_insn = gdb_print_insn_z8k;