diff options
Diffstat (limited to 'gdb/m68k-tdep.c')
| -rw-r--r-- | gdb/m68k-tdep.c | 355 |
1 files changed, 182 insertions, 173 deletions
diff --git a/gdb/m68k-tdep.c b/gdb/m68k-tdep.c index 769ffe8..87bcfeb 100644 --- a/gdb/m68k-tdep.c +++ b/gdb/m68k-tdep.c @@ -1,21 +1,22 @@ /* Target dependent code for the Motorola 68000 series. Copyright (C) 1990, 1992 Free Software Foundation, Inc. -This file is part of GDB. + This file is part of GDB. -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ #include "defs.h" #include "frame.h" @@ -24,8 +25,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "value.h" #include "gdb_string.h" #include "inferior.h" - + /* The only reason this is here is the tm-altos.h reference below. It was moved back here from tm-m68k.h. FIXME? */ @@ -35,17 +36,17 @@ altos_skip_prologue (pc) { register int op = read_memory_integer (pc, 2); if (op == 0047126) - pc += 4; /* Skip link #word */ + pc += 4; /* Skip link #word */ else if (op == 0044016) - pc += 6; /* Skip link #long */ + pc += 6; /* Skip link #long */ /* Not sure why branches are here. */ /* From tm-isi.h, tm-altos.h */ else if (op == 0060000) - pc += 4; /* Skip bra #word */ + pc += 4; /* Skip bra #word */ else if (op == 00600377) - pc += 6; /* skip bra #long */ + pc += 6; /* skip bra #long */ else if ((op & 0177400) == 0060000) - pc += 2; /* skip bra #char */ + pc += 2; /* skip bra #char */ return pc; } @@ -58,17 +59,17 @@ isi_skip_prologue (pc) { register int op = read_memory_integer (pc, 2); if (op == 0047126) - pc += 4; /* Skip link #word */ + pc += 4; /* Skip link #word */ else if (op == 0044016) - pc += 6; /* Skip link #long */ + pc += 6; /* Skip link #long */ /* Not sure why branches are here. */ /* From tm-isi.h, tm-altos.h */ else if (op == 0060000) - pc += 4; /* Skip bra #word */ + pc += 4; /* Skip bra #word */ else if (op == 00600377) - pc += 6; /* skip bra #long */ + pc += 6; /* skip bra #long */ else if ((op & 0177400) == 0060000) - pc += 2; /* skip bra #char */ + pc += 2; /* skip bra #char */ return pc; } @@ -83,16 +84,16 @@ isi_frame_num_args (fi) CORE_ADDR pc = FRAME_SAVED_PC (fi); int insn = 0177777 & read_memory_integer (pc, 2); val = 0; - if (insn == 0047757 || insn == 0157374) /* lea W(sp),sp or addaw #W,sp */ + if (insn == 0047757 || insn == 0157374) /* lea W(sp),sp or addaw #W,sp */ val = read_memory_integer (pc + 2, 2); - else if ((insn & 0170777) == 0050217 /* addql #N, sp */ - || (insn & 0170777) == 0050117) /* addqw */ + else if ((insn & 0170777) == 0050217 /* addql #N, sp */ + || (insn & 0170777) == 0050117) /* addqw */ { val = (insn >> 9) & 7; if (val == 0) val = 8; } - else if (insn == 0157774) /* addal #WW, sp */ + else if (insn == 0157774) /* addal #WW, sp */ val = read_memory_integer (pc + 2, 4); val >>= 2; return val; @@ -106,16 +107,16 @@ delta68_frame_num_args (fi) CORE_ADDR pc = FRAME_SAVED_PC (fi); int insn = 0177777 & read_memory_integer (pc, 2); val = 0; - if (insn == 0047757 || insn == 0157374) /* lea W(sp),sp or addaw #W,sp */ + if (insn == 0047757 || insn == 0157374) /* lea W(sp),sp or addaw #W,sp */ val = read_memory_integer (pc + 2, 2); - else if ((insn & 0170777) == 0050217 /* addql #N, sp */ - || (insn & 0170777) == 0050117) /* addqw */ + else if ((insn & 0170777) == 0050217 /* addql #N, sp */ + || (insn & 0170777) == 0050117) /* addqw */ { val = (insn >> 9) & 7; if (val == 0) val = 8; } - else if (insn == 0157774) /* addal #WW, sp */ + else if (insn == 0157774) /* addal #WW, sp */ val = read_memory_integer (pc + 2, 4); val >>= 2; return val; @@ -129,16 +130,16 @@ news_frame_num_args (fi) CORE_ADDR pc = FRAME_SAVED_PC (fi); int insn = 0177777 & read_memory_integer (pc, 2); val = 0; - if (insn == 0047757 || insn == 0157374) /* lea W(sp),sp or addaw #W,sp */ + if (insn == 0047757 || insn == 0157374) /* lea W(sp),sp or addaw #W,sp */ val = read_memory_integer (pc + 2, 2); - else if ((insn & 0170777) == 0050217 /* addql #N, sp */ - || (insn & 0170777) == 0050117) /* addqw */ + else if ((insn & 0170777) == 0050217 /* addql #N, sp */ + || (insn & 0170777) == 0050117) /* addqw */ { val = (insn >> 9) & 7; if (val == 0) val = 8; } - else if (insn == 0157774) /* addal #WW, sp */ + else if (insn == 0157774) /* addal #WW, sp */ val = read_memory_integer (pc + 2, 4); val >>= 2; return val; @@ -187,7 +188,7 @@ m68k_pop_frame () fp = FRAME_FP (frame); get_frame_saved_regs (frame, &fsr); - for (regnum = FP0_REGNUM + 7 ; regnum >= FP0_REGNUM ; regnum--) + for (regnum = FP0_REGNUM + 7; regnum >= FP0_REGNUM; regnum--) { if (fsr.regs[regnum]) { @@ -195,7 +196,7 @@ m68k_pop_frame () write_register_bytes (REGISTER_BYTE (regnum), raw_buffer, 12); } } - for (regnum = FP_REGNUM - 1 ; regnum >= 0 ; regnum--) + for (regnum = FP_REGNUM - 1; regnum >= 0; regnum--) { if (fsr.regs[regnum]) { @@ -211,8 +212,8 @@ m68k_pop_frame () write_register (SP_REGNUM, fp + 8); flush_cached_frames (); } - + /* Given an ip value corresponding to the start of a function, return the ip of the first instruction after the function prologue. This is the generic m68k support. Machines which @@ -224,26 +225,26 @@ m68k_pop_frame () A link instruction, word form: - link.w %a6,&0 4e56 XXXX + link.w %a6,&0 4e56 XXXX A link instruction, long form: - link.l %fp,&F%1 480e XXXX XXXX + link.l %fp,&F%1 480e XXXX XXXX A movm instruction to preserve integer regs: - movm.l &M%1,(4,%sp) 48ef XXXX XXXX + movm.l &M%1,(4,%sp) 48ef XXXX XXXX A fmovm instruction to preserve float regs: - fmovm &FPM%1,(FPO%1,%sp) f237 XXXX XXXX XXXX XXXX + fmovm &FPM%1,(FPO%1,%sp) f237 XXXX XXXX XXXX XXXX Some profiling setup code (FIXME, not recognized yet): - lea.l (.L3,%pc),%a1 43fb XXXX XXXX XXXX - bsr _mcount 61ff XXXX XXXX + lea.l (.L3,%pc),%a1 43fb XXXX XXXX XXXX + bsr _mcount 61ff XXXX XXXX - */ + */ #define P_LINK_L 0x480e #define P_LINK_W 0x4e56 @@ -257,7 +258,7 @@ m68k_pop_frame () CORE_ADDR m68k_skip_prologue (ip) -CORE_ADDR ip; + CORE_ADDR ip; { register CORE_ADDR limit; struct symtab_and_line sal; @@ -267,36 +268,36 @@ CORE_ADDR ip; If so, ensure we don't go past it. If not, assume "infinity". */ sal = find_pc_line (ip, 0); - limit = (sal.end) ? sal.end : (CORE_ADDR) ~0; + limit = (sal.end) ? sal.end : (CORE_ADDR) ~ 0; while (ip < limit) { op = read_memory_integer (ip, 2); op &= 0xFFFF; - + if (op == P_LINK_W) { - ip += 4; /* Skip link.w */ + ip += 4; /* Skip link.w */ } else if (op == 0x4856) - ip += 2; /* Skip pea %fp */ + ip += 2; /* Skip pea %fp */ else if (op == 0x2c4f) - ip += 2; /* Skip move.l %sp, %fp */ + ip += 2; /* Skip move.l %sp, %fp */ else if (op == P_LINK_L) { - ip += 6; /* Skip link.l */ + ip += 6; /* Skip link.l */ } else if (op == P_MOVM_L) { - ip += 6; /* Skip movm.l */ + ip += 6; /* Skip movm.l */ } else if (op == P_FMOVM) { - ip += 10; /* Skip fmovm */ + ip += 10; /* Skip fmovm */ } else { - break; /* Found unknown code, bail out. */ + break; /* Found unknown code, bail out. */ } } return (ip); @@ -307,14 +308,14 @@ m68k_find_saved_regs (frame_info, saved_regs) struct frame_info *frame_info; struct frame_saved_regs *saved_regs; { - register int regnum; - register int regmask; - register CORE_ADDR next_addr; + register int regnum; + register int regmask; + register CORE_ADDR next_addr; register CORE_ADDR pc; /* First possible address for a pc in a call dummy for this frame. */ CORE_ADDR possible_call_dummy_start = - (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM*4 - 4 - 8*12; + (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 4 - 8 * 12; int nextinsn; memset (saved_regs, 0, sizeof (*saved_regs)); @@ -323,23 +324,23 @@ m68k_find_saved_regs (frame_info, saved_regs) { /* It is a call dummy. We could just stop now, since we know - what the call dummy saves and where. But this code proceeds - to parse the "prologue" which is part of the call dummy. - This is needlessly complex and confusing. FIXME. */ + what the call dummy saves and where. But this code proceeds + to parse the "prologue" which is part of the call dummy. + This is needlessly complex and confusing. FIXME. */ next_addr = (frame_info)->frame; pc = possible_call_dummy_start; } - else + else { - pc = get_pc_function_start ((frame_info)->pc); + pc = get_pc_function_start ((frame_info)->pc); if (0x4856 == read_memory_integer (pc, 2) && 0x2c4f == read_memory_integer (pc + 2, 2)) { /* - pea %fp - move.l %sp, %fp */ + pea %fp + move.l %sp, %fp */ pc += 4; next_addr = frame_info->frame; @@ -348,49 +349,55 @@ m68k_find_saved_regs (frame_info, saved_regs) /* link.l %fp */ /* Find the address above the saved regs using the amount of storage from the link instruction. */ - next_addr = (frame_info)->frame + read_memory_integer (pc += 2, 4), pc+=4; - else if (047126 == read_memory_integer (pc, 2)) + next_addr = (frame_info)->frame + read_memory_integer (pc += 2, 4), pc += 4; + else if (047126 == read_memory_integer (pc, 2)) /* link.w %fp */ /* Find the address above the saved regs using the amount of storage from the link instruction. */ - next_addr = (frame_info)->frame + read_memory_integer (pc += 2, 2), pc+=2; - else goto lose; - - /* If have an addal #-n, sp next, adjust next_addr. */ - if ((0177777 & read_memory_integer (pc, 2)) == 0157774) - next_addr += read_memory_integer (pc += 2, 4), pc += 4; - } - regmask = read_memory_integer (pc + 2, 2); - - /* Here can come an fmovem. Check for it. */ - nextinsn = 0xffff & read_memory_integer (pc, 2); - if (0xf227 == nextinsn - && (regmask & 0xff00) == 0xe000) - { pc += 4; /* Regmask's low bit is for register fp7, the first pushed */ - for (regnum = FP0_REGNUM + 7; regnum >= FP0_REGNUM; regnum--, regmask >>= 1) - if (regmask & 1) - saved_regs->regs[regnum] = (next_addr -= 12); - regmask = read_memory_integer (pc + 2, 2); } - - /* next should be a moveml to (sp) or -(sp) or a movl r,-(sp) */ - if (0044327 == read_memory_integer (pc, 2)) - { pc += 4; /* Regmask's low bit is for register 0, the first written */ - for (regnum = 0; regnum < 16; regnum++, regmask >>= 1) - if (regmask & 1) - saved_regs->regs[regnum] = (next_addr += 4) - 4; } - else if (0044347 == read_memory_integer (pc, 2)) + next_addr = (frame_info)->frame + read_memory_integer (pc += 2, 2), pc += 2; + else + goto lose; + + /* If have an addal #-n, sp next, adjust next_addr. */ + if ((0177777 & read_memory_integer (pc, 2)) == 0157774) + next_addr += read_memory_integer (pc += 2, 4), pc += 4; + } + regmask = read_memory_integer (pc + 2, 2); + + /* Here can come an fmovem. Check for it. */ + nextinsn = 0xffff & read_memory_integer (pc, 2); + if (0xf227 == nextinsn + && (regmask & 0xff00) == 0xe000) + { + pc += 4; /* Regmask's low bit is for register fp7, the first pushed */ + for (regnum = FP0_REGNUM + 7; regnum >= FP0_REGNUM; regnum--, regmask >>= 1) + if (regmask & 1) + saved_regs->regs[regnum] = (next_addr -= 12); + regmask = read_memory_integer (pc + 2, 2); + } + + /* next should be a moveml to (sp) or -(sp) or a movl r,-(sp) */ + if (0044327 == read_memory_integer (pc, 2)) + { + pc += 4; /* Regmask's low bit is for register 0, the first written */ + for (regnum = 0; regnum < 16; regnum++, regmask >>= 1) + if (regmask & 1) + saved_regs->regs[regnum] = (next_addr += 4) - 4; + } + else if (0044347 == read_memory_integer (pc, 2)) { - pc += 4; /* Regmask's low bit is for register 15, the first pushed */ - for (regnum = 15; regnum >= 0; regnum--, regmask >>= 1) - if (regmask & 1) - saved_regs->regs[regnum] = (next_addr -= 4); + pc += 4; /* Regmask's low bit is for register 15, the first pushed */ + for (regnum = 15; regnum >= 0; regnum--, regmask >>= 1) + if (regmask & 1) + saved_regs->regs[regnum] = (next_addr -= 4); } - else if (0x2f00 == (0xfff0 & read_memory_integer (pc, 2))) + else if (0x2f00 == (0xfff0 & read_memory_integer (pc, 2))) { - regnum = 0xf & read_memory_integer (pc, 2); pc += 2; + regnum = 0xf & read_memory_integer (pc, 2); + pc += 2; saved_regs->regs[regnum] = (next_addr -= 4); /* gcc, at least, may use a pair of movel instructions when saving - exactly 2 registers. */ + exactly 2 registers. */ if (0x2f00 == (0xfff0 & read_memory_integer (pc, 2))) { regnum = 0xf & read_memory_integer (pc, 2); @@ -399,24 +406,26 @@ m68k_find_saved_regs (frame_info, saved_regs) } } - /* fmovemx to index of sp may follow. */ - regmask = read_memory_integer (pc + 2, 2); - nextinsn = 0xffff & read_memory_integer (pc, 2); - if (0xf236 == nextinsn - && (regmask & 0xff00) == 0xf000) - { pc += 10; /* Regmask's low bit is for register fp0, the first written */ - for (regnum = FP0_REGNUM + 7; regnum >= FP0_REGNUM; regnum--, regmask >>= 1) - if (regmask & 1) - saved_regs->regs[regnum] = (next_addr += 12) - 12; - regmask = read_memory_integer (pc + 2, 2); } - - /* clrw -(sp); movw ccr,-(sp) may follow. */ - if (0x426742e7 == read_memory_integer (pc, 4)) - saved_regs->regs[PS_REGNUM] = (next_addr -= 4); - lose: ; - saved_regs->regs[SP_REGNUM] = (frame_info)->frame + 8; - saved_regs->regs[FP_REGNUM] = (frame_info)->frame; - saved_regs->regs[PC_REGNUM] = (frame_info)->frame + 4; + /* fmovemx to index of sp may follow. */ + regmask = read_memory_integer (pc + 2, 2); + nextinsn = 0xffff & read_memory_integer (pc, 2); + if (0xf236 == nextinsn + && (regmask & 0xff00) == 0xf000) + { + pc += 10; /* Regmask's low bit is for register fp0, the first written */ + for (regnum = FP0_REGNUM + 7; regnum >= FP0_REGNUM; regnum--, regmask >>= 1) + if (regmask & 1) + saved_regs->regs[regnum] = (next_addr += 12) - 12; + regmask = read_memory_integer (pc + 2, 2); + } + + /* clrw -(sp); movw ccr,-(sp) may follow. */ + if (0x426742e7 == read_memory_integer (pc, 4)) + saved_regs->regs[PS_REGNUM] = (next_addr -= 4); +lose:; + saved_regs->regs[SP_REGNUM] = (frame_info)->frame + 8; + saved_regs->regs[FP_REGNUM] = (frame_info)->frame; + saved_regs->regs[PC_REGNUM] = (frame_info)->frame + 4; #ifdef SIG_SP_FP_OFFSET /* Adjust saved SP_REGNUM for fake _sigtramp frames. */ if (frame_info->signal_handler_caller && frame_info->next) @@ -425,37 +434,37 @@ m68k_find_saved_regs (frame_info, saved_regs) } -#ifdef USE_PROC_FS /* Target dependent support for /proc */ +#ifdef USE_PROC_FS /* Target dependent support for /proc */ #include <sys/procfs.h> /* The /proc interface divides the target machine's register set up into - two different sets, the general register set (gregset) and the floating - point register set (fpregset). For each set, there is an ioctl to get - the current register set and another ioctl to set the current values. + two different sets, the general register set (gregset) and the floating + point register set (fpregset). For each set, there is an ioctl to get + the current register set and another ioctl to set the current values. - The actual structure passed through the ioctl interface is, of course, - naturally machine dependent, and is different for each set of registers. - For the m68k for example, the general register set is typically defined - by: + The actual structure passed through the ioctl interface is, of course, + naturally machine dependent, and is different for each set of registers. + For the m68k for example, the general register set is typically defined + by: - typedef int gregset_t[18]; + typedef int gregset_t[18]; - #define R_D0 0 - ... - #define R_PS 17 + #define R_D0 0 + ... + #define R_PS 17 - and the floating point set by: + and the floating point set by: - typedef struct fpregset { - int f_pcr; - int f_psr; - int f_fpiaddr; - int f_fpregs[8][3]; (8 regs, 96 bits each) - } fpregset_t; + typedef struct fpregset { + int f_pcr; + int f_psr; + int f_fpiaddr; + int f_fpregs[8][3]; (8 regs, 96 bits each) + } fpregset_t; - These routines provide the packing and unpacking of gregset_t and - fpregset_t formatted data. + These routines provide the packing and unpacking of gregset_t and + fpregset_t formatted data. */ @@ -466,17 +475,17 @@ m68k_find_saved_regs (frame_info, saved_regs) #endif /* Given a pointer to a general register set in /proc format (gregset_t *), - unpack the register contents and supply them as gdb's idea of the current - register values. */ + unpack the register contents and supply them as gdb's idea of the current + register values. */ void supply_gregset (gregsetp) -gregset_t *gregsetp; + gregset_t *gregsetp; { register int regi; register greg_t *regp = (greg_t *) gregsetp; - for (regi = 0 ; regi < R_PC ; regi++) + for (regi = 0; regi < R_PC; regi++) { supply_register (regi, (char *) (regp + regi)); } @@ -486,13 +495,13 @@ gregset_t *gregsetp; void fill_gregset (gregsetp, regno) -gregset_t *gregsetp; -int regno; + gregset_t *gregsetp; + int regno; { register int regi; register greg_t *regp = (greg_t *) gregsetp; - for (regi = 0 ; regi < R_PC ; regi++) + for (regi = 0; regi < R_PC; regi++) { if ((regno == -1) || (regno == regi)) { @@ -512,66 +521,66 @@ int regno; #if defined (FP0_REGNUM) /* Given a pointer to a floating point register set in /proc format - (fpregset_t *), unpack the register contents and supply them as gdb's - idea of the current floating point register values. */ + (fpregset_t *), unpack the register contents and supply them as gdb's + idea of the current floating point register values. */ -void +void supply_fpregset (fpregsetp) -fpregset_t *fpregsetp; + fpregset_t *fpregsetp; { register int regi; char *from; - - for (regi = FP0_REGNUM ; regi < FPC_REGNUM ; regi++) + + for (regi = FP0_REGNUM; regi < FPC_REGNUM; regi++) { - from = (char *) &(fpregsetp -> f_fpregs[regi-FP0_REGNUM][0]); + from = (char *) &(fpregsetp->f_fpregs[regi - FP0_REGNUM][0]); supply_register (regi, from); } - supply_register (FPC_REGNUM, (char *) &(fpregsetp -> f_pcr)); - supply_register (FPS_REGNUM, (char *) &(fpregsetp -> f_psr)); - supply_register (FPI_REGNUM, (char *) &(fpregsetp -> f_fpiaddr)); + supply_register (FPC_REGNUM, (char *) &(fpregsetp->f_pcr)); + supply_register (FPS_REGNUM, (char *) &(fpregsetp->f_psr)); + supply_register (FPI_REGNUM, (char *) &(fpregsetp->f_fpiaddr)); } /* Given a pointer to a floating point register set in /proc format - (fpregset_t *), update the register specified by REGNO from gdb's idea - of the current floating point register set. If REGNO is -1, update - them all. */ + (fpregset_t *), update the register specified by REGNO from gdb's idea + of the current floating point register set. If REGNO is -1, update + them all. */ void fill_fpregset (fpregsetp, regno) -fpregset_t *fpregsetp; -int regno; + fpregset_t *fpregsetp; + int regno; { int regi; char *to; char *from; - for (regi = FP0_REGNUM ; regi < FPC_REGNUM ; regi++) + for (regi = FP0_REGNUM; regi < FPC_REGNUM; regi++) { if ((regno == -1) || (regno == regi)) { from = (char *) ®isters[REGISTER_BYTE (regi)]; - to = (char *) &(fpregsetp -> f_fpregs[regi-FP0_REGNUM][0]); + to = (char *) &(fpregsetp->f_fpregs[regi - FP0_REGNUM][0]); memcpy (to, from, REGISTER_RAW_SIZE (regi)); } } if ((regno == -1) || (regno == FPC_REGNUM)) { - fpregsetp -> f_pcr = *(int *) ®isters[REGISTER_BYTE (FPC_REGNUM)]; + fpregsetp->f_pcr = *(int *) ®isters[REGISTER_BYTE (FPC_REGNUM)]; } if ((regno == -1) || (regno == FPS_REGNUM)) { - fpregsetp -> f_psr = *(int *) ®isters[REGISTER_BYTE (FPS_REGNUM)]; + fpregsetp->f_psr = *(int *) ®isters[REGISTER_BYTE (FPS_REGNUM)]; } if ((regno == -1) || (regno == FPI_REGNUM)) { - fpregsetp -> f_fpiaddr = *(int *) ®isters[REGISTER_BYTE (FPI_REGNUM)]; + fpregsetp->f_fpiaddr = *(int *) ®isters[REGISTER_BYTE (FPI_REGNUM)]; } } -#endif /* defined (FP0_REGNUM) */ +#endif /* defined (FP0_REGNUM) */ -#endif /* USE_PROC_FS */ +#endif /* USE_PROC_FS */ #ifdef GET_LONGJMP_TARGET /* Figure out where the longjmp will land. Slurp the args out of the stack. @@ -580,15 +589,15 @@ int regno; This routine returns true on success. */ int -get_longjmp_target(pc) +get_longjmp_target (pc) CORE_ADDR *pc; { char buf[TARGET_PTR_BIT / TARGET_CHAR_BIT]; CORE_ADDR sp, jb_addr; - sp = read_register(SP_REGNUM); + sp = read_register (SP_REGNUM); - if (target_read_memory (sp + SP_ARG0, /* Offset of first arg on stack */ + if (target_read_memory (sp + SP_ARG0, /* Offset of first arg on stack */ buf, TARGET_PTR_BIT / TARGET_CHAR_BIT)) return 0; @@ -611,7 +620,7 @@ get_longjmp_target(pc) prior to doing the trap. */ CORE_ADDR -m68k_saved_pc_after_call(frame) +m68k_saved_pc_after_call (frame) struct frame_info *frame; { #ifdef SYSCALL_TRAP |