diff options
Diffstat (limited to 'gdb/m68k-tdep.c')
-rw-r--r-- | gdb/m68k-tdep.c | 82 |
1 files changed, 31 insertions, 51 deletions
diff --git a/gdb/m68k-tdep.c b/gdb/m68k-tdep.c index 2b8eb407432..1eacea17b22 100644 --- a/gdb/m68k-tdep.c +++ b/gdb/m68k-tdep.c @@ -28,6 +28,8 @@ #include "inferior.h" #include "regcache.h" #include "arch-utils.h" + +#include "m68k-tdep.h" #define P_LINKL_FP 0x480e @@ -43,29 +45,6 @@ #define P_TRAP 0x4e40 -/* Register numbers of various important registers. - Note that some of these values are "real" register numbers, - and correspond to the general registers of the machine, - and some are "phony" register numbers which are too large - to be actual register numbers as far as the user is concerned - but do serve to get the desired values when passed to read_register. */ - -/* Note: Since they are used in files other than this (monitor files), - D0_REGNUM and A0_REGNUM are currently defined in tm-m68k.h. */ - -enum -{ - E_A1_REGNUM = 9, - E_FP_REGNUM = 14, /* Contains address of executing stack frame */ - E_SP_REGNUM = 15, /* Contains address of top of stack */ - E_PS_REGNUM = 16, /* Contains processor status */ - E_PC_REGNUM = 17, /* Contains program counter */ - E_FP0_REGNUM = 18, /* Floating point register 0 */ - E_FPC_REGNUM = 26, /* 68881 control register */ - E_FPS_REGNUM = 27, /* 68881 status register */ - E_FPI_REGNUM = 28 -}; - #define REGISTER_BYTES_FP (16*4 + 8 + 8*12 + 3*4) #define REGISTER_BYTES_NOFP (16*4 + 8) @@ -162,13 +141,14 @@ m68k_register_virtual_type (int regnum) if (regnum >= FP0_REGNUM && regnum <= FP0_REGNUM + 7) return builtin_type_m68881_ext; - if (regnum == E_FPI_REGNUM || regnum == PC_REGNUM) + if (regnum == M68K_FPI_REGNUM || regnum == PC_REGNUM) return builtin_type_void_func_ptr; - if (regnum == E_FPC_REGNUM || regnum == E_FPS_REGNUM || regnum == PS_REGNUM) + if (regnum == M68K_FPC_REGNUM || regnum == M68K_FPS_REGNUM + || regnum == PS_REGNUM) return builtin_type_int32; - if (regnum >= A0_REGNUM && regnum <= A0_REGNUM + 7) + if (regnum >= M68K_A0_REGNUM && regnum <= M68K_A0_REGNUM + 7) return builtin_type_void_data_ptr; return builtin_type_int32; @@ -210,8 +190,8 @@ m68k_stack_align (CORE_ADDR addr) static int m68k_register_byte (int regnum) { - if (regnum >= E_FPC_REGNUM) - return (((regnum - E_FPC_REGNUM) * 4) + 168); + if (regnum >= M68K_FPC_REGNUM) + return (((regnum - M68K_FPC_REGNUM) * 4) + 168); else if (regnum >= FP0_REGNUM) return (((regnum - FP0_REGNUM) * 12) + 72); else @@ -224,7 +204,7 @@ m68k_register_byte (int regnum) static void m68k_store_struct_return (CORE_ADDR addr, CORE_ADDR sp) { - write_register (E_A1_REGNUM, addr); + write_register (M68K_A1_REGNUM, addr); } /* Extract from an array regbuf containing the (raw) register state @@ -276,10 +256,10 @@ m68k_store_return_value (struct type *type, char *valbuf) static CORE_ADDR m68k_frame_chain (struct frame_info *thisframe) { - if ((get_frame_type (thisframe) == SIGTRAMP_FRAME)) + if (get_frame_type (thisframe) == SIGTRAMP_FRAME) return thisframe->frame; - else if (!inside_entry_file ((thisframe)->pc)) - return read_memory_integer ((thisframe)->frame, 4); + else if (!inside_entry_file (thisframe->pc)) + return read_memory_integer (thisframe->frame, 4); else return 0; } @@ -291,7 +271,7 @@ m68k_frame_chain (struct frame_info *thisframe) static int m68k_frameless_function_invocation (struct frame_info *fi) { - if ((get_frame_type (fi) == SIGTRAMP_FRAME)) + if (get_frame_type (fi) == SIGTRAMP_FRAME) return 0; else return frameless_look_for_prologue (fi); @@ -300,7 +280,7 @@ m68k_frameless_function_invocation (struct frame_info *fi) static CORE_ADDR m68k_frame_saved_pc (struct frame_info *frame) { - if ((get_frame_type (frame) == SIGTRAMP_FRAME)) + if (get_frame_type (frame) == SIGTRAMP_FRAME) { if (frame->next) return read_memory_integer (frame->next->frame + SIG_PC_FP_OFFSET, 4); @@ -349,7 +329,7 @@ delta68_frame_args_address (struct frame_info *frame_info) { /* we assume here that the only frameless functions are the system calls or other functions who do not put anything on the stack. */ - if ((get_frame_type (frame_info) == SIGTRAMP_FRAME)) + if (get_frame_type (frame_info) == SIGTRAMP_FRAME) return frame_info->frame + 12; else if (frameless_look_for_prologue (frame_info)) { @@ -868,14 +848,14 @@ supply_fpregset (fpregset_t *fpregsetp) register int regi; char *from; - for (regi = FP0_REGNUM; regi < E_FPC_REGNUM; regi++) + for (regi = FP0_REGNUM; regi < M68K_FPC_REGNUM; regi++) { from = (char *) &(fpregsetp->f_fpregs[regi - FP0_REGNUM][0]); supply_register (regi, from); } - supply_register (E_FPC_REGNUM, (char *) &(fpregsetp->f_pcr)); - supply_register (E_FPS_REGNUM, (char *) &(fpregsetp->f_psr)); - supply_register (E_FPI_REGNUM, (char *) &(fpregsetp->f_fpiaddr)); + supply_register (M68K_FPC_REGNUM, (char *) &(fpregsetp->f_pcr)); + supply_register (M68K_FPS_REGNUM, (char *) &(fpregsetp->f_psr)); + supply_register (M68K_FPI_REGNUM, (char *) &(fpregsetp->f_fpiaddr)); } /* Given a pointer to a floating point register set in /proc format @@ -890,7 +870,7 @@ fill_fpregset (fpregset_t *fpregsetp, int regno) char *to; char *from; - for (regi = FP0_REGNUM; regi < E_FPC_REGNUM; regi++) + for (regi = FP0_REGNUM; regi < M68K_FPC_REGNUM; regi++) { if ((regno == -1) || (regno == regi)) { @@ -899,17 +879,17 @@ fill_fpregset (fpregset_t *fpregsetp, int regno) memcpy (to, from, REGISTER_RAW_SIZE (regi)); } } - if ((regno == -1) || (regno == E_FPC_REGNUM)) + if ((regno == -1) || (regno == M68K_FPC_REGNUM)) { - fpregsetp->f_pcr = *(int *) &deprecated_registers[REGISTER_BYTE (E_FPC_REGNUM)]; + fpregsetp->f_pcr = *(int *) &deprecated_registers[REGISTER_BYTE (M68K_FPC_REGNUM)]; } - if ((regno == -1) || (regno == E_FPS_REGNUM)) + if ((regno == -1) || (regno == M68K_FPS_REGNUM)) { - fpregsetp->f_psr = *(int *) &deprecated_registers[REGISTER_BYTE (E_FPS_REGNUM)]; + fpregsetp->f_psr = *(int *) &deprecated_registers[REGISTER_BYTE (M68K_FPS_REGNUM)]; } - if ((regno == -1) || (regno == E_FPI_REGNUM)) + if ((regno == -1) || (regno == M68K_FPI_REGNUM)) { - fpregsetp->f_fpiaddr = *(int *) &deprecated_registers[REGISTER_BYTE (E_FPI_REGNUM)]; + fpregsetp->f_fpiaddr = *(int *) &deprecated_registers[REGISTER_BYTE (M68K_FPI_REGNUM)]; } } @@ -1045,11 +1025,11 @@ m68k_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) set_gdbarch_num_regs (gdbarch, 29); set_gdbarch_register_bytes_ok (gdbarch, m68k_register_bytes_ok); set_gdbarch_register_bytes (gdbarch, (16 * 4 + 8 + 8 * 12 + 3 * 4)); - set_gdbarch_sp_regnum (gdbarch, E_SP_REGNUM); - set_gdbarch_fp_regnum (gdbarch, E_FP_REGNUM); - set_gdbarch_pc_regnum (gdbarch, E_PC_REGNUM); - set_gdbarch_ps_regnum (gdbarch, E_PS_REGNUM); - set_gdbarch_fp0_regnum (gdbarch, E_FP0_REGNUM); + set_gdbarch_sp_regnum (gdbarch, M68K_SP_REGNUM); + set_gdbarch_fp_regnum (gdbarch, M68K_FP_REGNUM); + set_gdbarch_pc_regnum (gdbarch, M68K_PC_REGNUM); + set_gdbarch_ps_regnum (gdbarch, M68K_PS_REGNUM); + set_gdbarch_fp0_regnum (gdbarch, M68K_FP0_REGNUM); set_gdbarch_use_generic_dummy_frames (gdbarch, 0); set_gdbarch_call_dummy_location (gdbarch, ON_STACK); |