diff options
Diffstat (limited to 'gdb/sun386-nat.c')
| -rw-r--r-- | gdb/sun386-nat.c | 91 |
1 files changed, 46 insertions, 45 deletions
diff --git a/gdb/sun386-nat.c b/gdb/sun386-nat.c index b62b6fd8f85..c37f4c202c5 100644 --- a/gdb/sun386-nat.c +++ b/gdb/sun386-nat.c @@ -3,21 +3,22 @@ Changes for sun386i by Jean Daniel Fekete (jdf@litp.univ-p6-7.fr), C2V Paris, April 89. -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" @@ -37,12 +38,12 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <sys/file.h> #include "gdb_stat.h" #include <sys/core.h> - + /* Machine-dependent code which would otherwise be in corefile.c */ /* Work with core files, for GDB. */ - + void core_file_command (filename, from_tty) char *filename; @@ -72,7 +73,7 @@ core_file_command (filename, from_tty) { filename = tilde_expand (filename); make_cleanup (free, filename); - + if (have_inferior_p ()) error ("To look at a core file, you must kill the program with \"kill\"."); corechan = open (filename, O_RDONLY, 0); @@ -89,8 +90,8 @@ core_file_command (filename, from_tty) error ("\"%s\" does not appear to be a core dump file (magic 0x%x, expected 0x%x)", filename, corestr.c_magic, (int) CORE_MAGIC); else if (sizeof (struct core) != corestr.c_len) - error ("\"%s\" has an invalid struct core length (%d, expected %d)", - filename, corestr.c_len, (int) sizeof (struct core)); + error ("\"%s\" has an invalid struct core length (%d, expected %d)", + filename, corestr.c_len, (int) sizeof (struct core)); data_start = exec_data_start; data_end = data_start + corestr.c_dsize; @@ -101,24 +102,24 @@ core_file_command (filename, from_tty) memcpy (registers, &corestr.c_regs, sizeof corestr.c_regs); memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], - corestr.c_fpu.f_fpstatus.f_st, - sizeof corestr.c_fpu.f_fpstatus.f_st); + corestr.c_fpu.f_fpstatus.f_st, + sizeof corestr.c_fpu.f_fpstatus.f_st); memcpy (®isters[REGISTER_BYTE (FPC_REGNUM)], - &corestr.c_fpu.f_fpstatus.f_ctrl, - sizeof corestr.c_fpu.f_fpstatus - - sizeof corestr.c_fpu.f_fpstatus.f_st); + &corestr.c_fpu.f_fpstatus.f_ctrl, + sizeof corestr.c_fpu.f_fpstatus - + sizeof corestr.c_fpu.f_fpstatus.f_st); /* the struct aouthdr of sun coff is not the struct exec stored in the core file. */ memcpy (&core_aouthdr, &corestr.c_aouthdr, sizeof (struct exec)); #ifndef COFF_ENCAPSULATE core_aouthdr.magic = corestr.c_aouthdr.a_info; - core_aouthdr.vstamp = /*SUNVERSION*/ 31252; + core_aouthdr.vstamp = /*SUNVERSION */ 31252; #endif printf_unfiltered ("Core file is from \"%s\".\n", corestr.c_cmdname); if (corestr.c_signo > 0) printf_unfiltered ("Program terminated with signal %d, %s.\n", - corestr.c_signo, safe_strsignal (corestr.c_signo)); + corestr.c_signo, safe_strsignal (corestr.c_signo)); } if (filename[0] == '/') corefile = savestring (filename, strlen (filename)); @@ -142,26 +143,26 @@ i387_to_double (from, to) { long *lp; /* push extended mode on 387 stack, then pop in double mode - * + * first, set exception masks so no error is generated - * number will be rounded to inf or 0, if necessary */ - asm ("pushl %eax"); /* grab a stack slot */ + asm ("pushl %eax"); /* grab a stack slot */ asm ("fstcw (%esp)"); /* get 387 control word */ asm ("movl (%esp),%eax"); /* save old value */ - asm ("orl $0x3f,%eax"); /* mask all exceptions */ + asm ("orl $0x3f,%eax"); /* mask all exceptions */ asm ("pushl %eax"); asm ("fldcw (%esp)"); /* load new value into 387 */ - + asm ("movl 8(%ebp),%eax"); asm ("fldt (%eax)"); /* push extended number on 387 stack */ asm ("fwait"); asm ("movl 12(%ebp),%eax"); asm ("fstpl (%eax)"); /* pop double */ asm ("fwait"); - + asm ("popl %eax"); /* flush modified control word */ - asm ("fnclex"); /* clear exceptions */ + asm ("fnclex"); /* clear exceptions */ asm ("fldcw (%esp)"); /* restore original control word */ asm ("popl %eax"); /* flush saved copy */ } @@ -192,17 +193,17 @@ fetch_inferior_registers (regno) registers_fetched (); ptrace (PTRACE_GETREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_registers); + (PTRACE_ARG3_TYPE) & inferior_registers); ptrace (PTRACE_GETFPREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_fp_registers); + (PTRACE_ARG3_TYPE) & inferior_fp_registers); memcpy (registers, &inferior_registers, sizeof inferior_registers); - memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)],inferior_fp_registers.f_st, - sizeof inferior_fp_registers.f_st); + memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], inferior_fp_registers.f_st, + sizeof inferior_fp_registers.f_st); memcpy (®isters[REGISTER_BYTE (FPC_REGNUM)], - &inferior_fp_registers.f_ctrl, - sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st); + &inferior_fp_registers.f_ctrl, + sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st); } /* Store our register values back into the inferior. @@ -219,12 +220,12 @@ store_inferior_registers (regno) memcpy (&inferior_registers, registers, 20 * 4); memcpy (inferior_fp_registers.f_st, - ®isters[REGISTER_BYTE (FP0_REGNUM)], - sizeof inferior_fp_registers.f_st); + ®isters[REGISTER_BYTE (FP0_REGNUM)], + sizeof inferior_fp_registers.f_st); memcpy (&inferior_fp_registers.f_ctrl, - ®isters[REGISTER_BYTE (FPC_REGNUM)], - sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st); - + ®isters[REGISTER_BYTE (FPC_REGNUM)], + sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st); + #ifdef PTRACE_FP_BUG if (regno == FP_REGNUM || regno == -1) /* Storing the frame pointer requires a gross hack, in which an @@ -236,8 +237,8 @@ store_inferior_registers (regno) int reg = inferior_registers.r_reg[EAX]; inferior_registers.r_reg[EAX] = inferior_registers.r_reg[FP_REGNUM]; - ptrace (PTRACE_SETREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_registers); + ptrace (PTRACE_SETREGS, inferior_pid, + (PTRACE_ARG3_TYPE) & inferior_registers); ptrace (PTRACE_POKEDATA, inferior_pid, (PTRACE_ARG3_TYPE) stack, 0xc589); ptrace (PTRACE_SINGLESTEP, inferior_pid, (PTRACE_ARG3_TYPE) stack, @@ -249,7 +250,7 @@ store_inferior_registers (regno) } #endif ptrace (PTRACE_SETREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_registers); + (PTRACE_ARG3_TYPE) & inferior_registers); ptrace (PTRACE_SETFPREGS, inferior_pid, - (PTRACE_ARG3_TYPE) &inferior_fp_registers); + (PTRACE_ARG3_TYPE) & inferior_fp_registers); } |