diff options
Diffstat (limited to 'gdb/sun3-dep.c')
| -rw-r--r-- | gdb/sun3-dep.c | 75 |
1 files changed, 45 insertions, 30 deletions
diff --git a/gdb/sun3-dep.c b/gdb/sun3-dep.c index 9bab095..0a99e6a 100644 --- a/gdb/sun3-dep.c +++ b/gdb/sun3-dep.c @@ -1,23 +1,22 @@ /* Machine-dependent code which would otherwise be in inflow.c and core.c, for GDB, the GNU debugger. - Copyright (C) 1986, 1987 Free Software Foundation, Inc. + Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc. -GDB is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY. No author or distributor accepts responsibility to anyone -for the consequences of using it or for whether it serves any -particular purpose or works at all, unless he says so in writing. -Refer to the GDB General Public License for full details. +This file is part of GDB. -Everyone is granted permission to copy, modify and redistribute GDB, -but only under the conditions described in the GDB General Public -License. A copy of this license is supposed to have been given to you -along with GDB so you can know your rights and responsibilities. It -should be in a file named COPYING. Among other things, the copyright -notice and this notice must be preserved on all copies. +GDB 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 1, or (at your option) +any later version. -In other words, go ahead and share GDB, but don't try to stop -anyone else from sharing it farther. Help stamp out software hoarding! -*/ +GDB 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 GDB; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "defs.h" #include "param.h" @@ -131,9 +130,9 @@ void fetch_inferior_registers () { struct regs inferior_registers; -#ifndef sun2 +#ifdef FP0_REGNUM struct fp_status inferior_fp_registers; -#endif sun2 +#endif extern char registers[]; if (remote_debugging) @@ -141,22 +140,22 @@ fetch_inferior_registers () else { ptrace (PTRACE_GETREGS, inferior_pid, &inferior_registers); -#ifndef sun2 +#ifdef FP0_REGNUM ptrace (PTRACE_GETFPREGS, inferior_pid, &inferior_fp_registers); -#endif sun2 +#endif bcopy (&inferior_registers, registers, 16 * 4); -#ifndef sun2 +#ifdef FP0_REGNUM bcopy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)], sizeof inferior_fp_registers.fps_regs); -#endif sun2 +#endif *(int *)®isters[REGISTER_BYTE (PS_REGNUM)] = inferior_registers.r_ps; *(int *)®isters[REGISTER_BYTE (PC_REGNUM)] = inferior_registers.r_pc; -#ifndef sun2 +#ifdef FP0_REGNUM bcopy (&inferior_fp_registers.fps_control, ®isters[REGISTER_BYTE (FPC_REGNUM)], sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs); -#endif sun2 +#endif } } @@ -296,11 +295,6 @@ write_inferior_memory (memaddr, myaddr, len) /* Machine-dependent code which would otherwise be in core.c */ /* Work with core dump and executable files, for GDB. */ -/* Recognize COFF format systems because a.out.h defines AOUTHDR. */ -#ifdef AOUTHDR -#define COFF_FORMAT -#endif - #ifndef N_TXTADDR #define N_TXTADDR(hdr) 0 #endif /* no N_TXTADDR */ @@ -309,6 +303,15 @@ write_inferior_memory (memaddr, myaddr, len) #define N_DATADDR(hdr) hdr.a_text #endif /* no N_DATADDR */ +/* Non-zero if this is an object (.o) file, rather than an executable. + Distinguishing between the two is rarely necessary (and seems like + a hack, but there is no other way to get the text and data + addresses--N_TXTADDR should probably take care of + this, but it doesn't). */ +/* This definition will not work + if someone decides to make ld preserve relocation info. */ +#define IS_OBJECT_FILE(hdr) (hdr.a_trsize != 0) + /* Make COFF and non-COFF names for things a little more compatible to reduce conditionals later. */ @@ -317,8 +320,10 @@ write_inferior_memory (memaddr, myaddr, len) #endif #ifndef COFF_FORMAT +#ifndef AOUTHDR #define AOUTHDR struct exec #endif +#endif extern char *sys_siglist[]; @@ -421,6 +426,9 @@ core_file_command (filename, from_tty) if (filename) { + filename = tilde_expand (filename); + make_cleanup (free, filename); + if (have_inferior_p ()) error ("To look at a core file, you must kill the inferior with \"kill\"."); corechan = open (filename, O_RDONLY, 0); @@ -449,6 +457,7 @@ core_file_command (filename, from_tty) bcopy (&corestr.c_regs, registers, 16 * 4); *(int *)®isters[REGISTER_BYTE (PS_REGNUM)] = corestr.c_regs.r_ps; *(int *)®isters[REGISTER_BYTE (PC_REGNUM)] = corestr.c_regs.r_pc; +#ifdef FP0_REGNUM #ifdef FPU bcopy (corestr.c_fpu.f_fpstatus.fps_regs, ®isters[REGISTER_BYTE (FP0_REGNUM)], @@ -464,6 +473,7 @@ core_file_command (filename, from_tty) ®isters[REGISTER_BYTE (FPC_REGNUM)], sizeof corestr.c_fpstatus - sizeof corestr.c_fpstatus.fps_regs); #endif +#endif bcopy (&corestr.c_aouthdr, &core_aouthdr, sizeof (struct exec)); printf ("Core file is from \"%s\".\n", corestr.c_cmdname); @@ -516,6 +526,9 @@ exec_file_command (filename, from_tty) if (filename) { + filename = tilde_expand (filename); + make_cleanup (free, filename); + execchan = openp (getenv ("PATH"), 1, filename, O_RDONLY, 0, &execfile); if (execchan < 0) @@ -559,8 +572,10 @@ exec_file_command (filename, from_tty) if (val < 0) perror_with_name (filename); - text_start = N_TXTADDR (exec_aouthdr); - exec_data_start = N_DATADDR (exec_aouthdr); + text_start = + IS_OBJECT_FILE (exec_aouthdr) ? 0 : N_TXTADDR (exec_aouthdr); + exec_data_start = IS_OBJECT_FILE (exec_aouthdr) + ? exec_aouthdr.a_text : N_DATADDR (exec_aouthdr); text_offset = N_TXTOFF (exec_aouthdr); exec_data_offset = N_TXTOFF (exec_aouthdr) + exec_aouthdr.a_text; |