diff options
Diffstat (limited to 'gdb/i386aix-nat.c')
| -rw-r--r-- | gdb/i386aix-nat.c | 147 |
1 files changed, 78 insertions, 69 deletions
diff --git a/gdb/i386aix-nat.c b/gdb/i386aix-nat.c index 83e9624a00f..a874dd00507 100644 --- a/gdb/i386aix-nat.c +++ b/gdb/i386aix-nat.c @@ -1,21 +1,22 @@ /* Intel 386 native support. Copyright (C) 1988, 1989, 1991, 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" @@ -52,11 +53,11 @@ extern int errno; #include "target.h" static void fetch_core_registers PARAMS ((char *, unsigned, int, CORE_ADDR)); - + /* this table must line up with REGISTER_NAMES in tm-i386v.h */ /* symbols like 'EAX' come from <sys/reg.h> */ -static int regmap[] = +static int regmap[] = { EAX, ECX, EDX, EBX, USP, EBP, ESI, EDI, @@ -78,25 +79,25 @@ i386_register_u_addr (blockend, regnum) /* for now, you can look at them with 'info float' * sys5 wont let you change them with ptrace anyway */ - if (regnum >= FP0_REGNUM && regnum <= FP7_REGNUM) + if (regnum >= FP0_REGNUM && regnum <= FP7_REGNUM) { int ubase, fpstate; struct user u; ubase = blockend + 4 * (SS + 1) - KSTKSZ; - fpstate = ubase + ((char *)&u.u_fpstate - (char *)&u); + fpstate = ubase + ((char *) &u.u_fpstate - (char *) &u); return (fpstate + 0x1c + 10 * (regnum - FP0_REGNUM)); - } + } else #endif return (blockend + 4 * regmap[regnum]); - + } /* The code below only work on the aix ps/2 (i386-ibm-aix) - * mtranle@paris - Sat Apr 11 10:34:12 1992 */ -struct env387 +struct env387 { unsigned short control; unsigned short r0; @@ -123,50 +124,58 @@ print_387_status (status, ep) int top; int fpreg; unsigned char *p; - + bothstatus = ((status != 0) && (ep->status != 0)); - if (status != 0) + if (status != 0) { if (bothstatus) printf_unfiltered ("u: "); print_387_status_word (status); } - - if (ep->status != 0) + + if (ep->status != 0) { if (bothstatus) printf_unfiltered ("e: "); print_387_status_word (ep->status); } - + print_387_control_word (ep->control); printf_unfiltered ("last exception: "); - printf_unfiltered ("opcode %s; ", local_hex_string(ep->opcode)); - printf_unfiltered ("pc %s:", local_hex_string(ep->code_seg)); - printf_unfiltered ("%s; ", local_hex_string(ep->eip)); - printf_unfiltered ("operand %s", local_hex_string(ep->operand_seg)); - printf_unfiltered (":%s\n", local_hex_string(ep->operand)); + printf_unfiltered ("opcode %s; ", local_hex_string (ep->opcode)); + printf_unfiltered ("pc %s:", local_hex_string (ep->code_seg)); + printf_unfiltered ("%s; ", local_hex_string (ep->eip)); + printf_unfiltered ("operand %s", local_hex_string (ep->operand_seg)); + printf_unfiltered (":%s\n", local_hex_string (ep->operand)); top = ((ep->status >> 11) & 7); printf_unfiltered ("regno tag msb lsb value\n"); - for (fpreg = 7; fpreg >= 0; fpreg--) + for (fpreg = 7; fpreg >= 0; fpreg--) { double val; printf_unfiltered ("%s %d: ", fpreg == top ? "=>" : " ", fpreg); - switch ((ep->tag >> ((7 - fpreg) * 2)) & 3) + switch ((ep->tag >> ((7 - fpreg) * 2)) & 3) { - case 0: printf_unfiltered ("valid "); break; - case 1: printf_unfiltered ("zero "); break; - case 2: printf_unfiltered ("trap "); break; - case 3: printf_unfiltered ("empty "); break; + case 0: + printf_unfiltered ("valid "); + break; + case 1: + printf_unfiltered ("zero "); + break; + case 2: + printf_unfiltered ("trap "); + break; + case 3: + printf_unfiltered ("empty "); + break; } for (i = 9; i >= 0; i--) printf_unfiltered ("%02x", ep->regs[fpreg][i]); - - i387_to_double ((char *)ep->regs[fpreg], (char *)&val); + + i387_to_double ((char *) ep->regs[fpreg], (char *) &val); printf_unfiltered (" %#g\n", val); } } @@ -188,17 +197,17 @@ i386_float_info () char buf[10]; unsigned short status; - ptrace (PT_READ_FPR, inferior_pid, buf, offsetof(struct env387, status)); + ptrace (PT_READ_FPR, inferior_pid, buf, offsetof (struct env387, status)); memcpy (&status, buf, sizeof (status)); fpsaved = status; } else { if ((fpsaved = core_env387.status) != 0) - memcpy(&fps, &core_env387, sizeof(fps)); + memcpy (&fps, &core_env387, sizeof (fps)); } - - if (fpsaved == 0) + + if (fpsaved == 0) { printf_unfiltered ("no floating point status saved\n"); return; @@ -207,14 +216,14 @@ i386_float_info () if (inferior_pid) { int offset; - for (offset = 0; offset < sizeof(fps); offset += 10) + for (offset = 0; offset < sizeof (fps); offset += 10) { char buf[10]; ptrace (PT_READ_FPR, inferior_pid, buf, offset); - memcpy ((char *)&fps.control + offset, buf, - MIN(10, sizeof(fps) - offset)); + memcpy ((char *) &fps.control + offset, buf, + MIN (10, sizeof (fps) - offset)); } - } + } fps_fixed = fps; for (i = 0; i < 8; ++i) memcpy (fps_fixed.regs[i], fps.regs[7 - i], 10); @@ -228,11 +237,11 @@ fetch_register (regno) { char buf[MAX_REGISTER_RAW_SIZE]; if (regno < FP0_REGNUM) - *(int *)buf = ptrace (PT_READ_GPR, inferior_pid, - PT_REG(regmap[regno]), 0, 0); + *(int *) buf = ptrace (PT_READ_GPR, inferior_pid, + PT_REG (regmap[regno]), 0, 0); else ptrace (PT_READ_FPR, inferior_pid, buf, - (regno - FP0_REGNUM)*10 + offsetof(struct env387, regs)); + (regno - FP0_REGNUM) * 10 + offsetof (struct env387, regs)); supply_register (regno, buf); } @@ -255,11 +264,11 @@ store_register (regno) char buf[80]; errno = 0; if (regno < FP0_REGNUM) - ptrace (PT_WRITE_GPR, inferior_pid, PT_REG(regmap[regno]), + ptrace (PT_WRITE_GPR, inferior_pid, PT_REG (regmap[regno]), *(int *) ®isters[REGISTER_BYTE (regno)], 0); else ptrace (PT_WRITE_FPR, inferior_pid, ®isters[REGISTER_BYTE (regno)], - (regno - FP0_REGNUM)*10 + offsetof(struct env387, regs)); + (regno - FP0_REGNUM) * 10 + offsetof (struct env387, regs)); if (errno != 0) { @@ -283,29 +292,29 @@ store_inferior_registers (regno) } #ifndef CD_AX /* defined in sys/i386/coredump.h */ -# define CD_AX 0 -# define CD_BX 1 -# define CD_CX 2 -# define CD_DX 3 -# define CD_SI 4 -# define CD_DI 5 -# define CD_BP 6 -# define CD_SP 7 -# define CD_FL 8 -# define CD_IP 9 -# define CD_CS 10 -# define CD_DS 11 -# define CD_ES 12 -# define CD_FS 13 -# define CD_GS 14 -# define CD_SS 15 +#define CD_AX 0 +#define CD_BX 1 +#define CD_CX 2 +#define CD_DX 3 +#define CD_SI 4 +#define CD_DI 5 +#define CD_BP 6 +#define CD_SP 7 +#define CD_FL 8 +#define CD_IP 9 +#define CD_CS 10 +#define CD_DS 11 +#define CD_ES 12 +#define CD_FS 13 +#define CD_GS 14 +#define CD_SS 15 #endif /* * The order here in core_regmap[] has to be the same as in * regmap[] above. */ -static int core_regmap[] = +static int core_regmap[] = { CD_AX, CD_CX, CD_DX, CD_BX, CD_SP, CD_BP, CD_SI, CD_DI, @@ -330,7 +339,7 @@ fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr) int i; for (i = 0; i < FP0_REGNUM; i++) - regs(i) = cd_regs(core_regmap[i]); + regs (i) = cd_regs (core_regmap[i]); } else if (which == 2) { @@ -342,8 +351,8 @@ fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr) fprintf_unfiltered (gdb_stderr, "Couldn't read float regs from core file\n"); } } - + /* Register that we are able to handle i386aix core file formats. FIXME: is this really bfd_target_unknown_flavour? */ |