diff options
Diffstat (limited to 'gdb/infptrace.c')
| -rw-r--r-- | gdb/infptrace.c | 41 |
1 files changed, 26 insertions, 15 deletions
diff --git a/gdb/infptrace.c b/gdb/infptrace.c index 011224e..0013e91 100644 --- a/gdb/infptrace.c +++ b/gdb/infptrace.c @@ -1,5 +1,6 @@ /* Low level Unix child interface to ptrace, for GDB when running under Unix. - Copyright 1988, 1989, 1990, 1991, 1992 Free Software Foundation, Inc. + Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995 + Free Software Foundation, Inc. This file is part of GDB. @@ -21,6 +22,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "frame.h" #include "inferior.h" #include "target.h" +#include "gdb_string.h" #ifdef USG #include <sys/types.h> @@ -69,7 +71,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Don't think this is used anymore. On the sequent (not sure whether it's dynix or ptx or both), it is included unconditionally by sys/user.h and not protected against multiple inclusion. */ -#include <sys/stat.h> +#include "gdb_stat.h" #endif #if !defined (FETCH_INFERIOR_REGISTERS) @@ -110,13 +112,18 @@ kill_inferior () if (inferior_pid == 0) return; /* ptrace PT_KILL only works if process is stopped!!! So stop it with - a real signal first, if we can. */ + a real signal first, if we can. FIXME: This is bogus. When the inferior + is not stopped, GDB should just be waiting for it. Either the following + line is unecessary, or there is some problem elsewhere in GDB which + causes us to get here when the inferior is not stopped. */ kill (inferior_pid, SIGKILL); ptrace (PT_KILL, inferior_pid, (PTRACE_ARG3_TYPE) 0, 0); wait ((int *)0); target_mourn_inferior (); } +#ifndef CHILD_RESUME + /* Resume execution of the inferior process. If STEP is nonzero, single-step it. If SIGNAL is nonzero, give it that signal. */ @@ -131,15 +138,9 @@ child_resume (pid, step, signal) if (pid == -1) /* Resume all threads. */ -#ifdef PIDGET - /* This is for Lynx, and should be cleaned up by having Lynx be - a separate debugging target, with its own target_resume function. */ - pid = PIDGET (inferior_pid); -#else /* I think this only gets used in the non-threaded case, where "resume all threads" and "resume inferior_pid" are the same. */ pid = inferior_pid; -#endif /* An address of (PTRACE_ARG3_TYPE)1 tells ptrace to continue from where it was. (If GDB wanted it to start some other way, we have already @@ -160,6 +161,8 @@ child_resume (pid, step, signal) if (errno) perror_with_name ("ptrace"); } +#endif /* CHILD_RESUME */ + #ifdef ATTACH_DETACH /* Start debugging the process whose number is PID. */ @@ -243,7 +246,8 @@ static void fetch_register (regno) int regno; { - register unsigned int regaddr; + /* This isn't really an address. But ptrace thinks of it as one. */ + CORE_ADDR regaddr; char buf[MAX_REGISTER_RAW_SIZE]; char mess[128]; /* For messages */ register int i; @@ -283,9 +287,14 @@ void fetch_inferior_registers (regno) int regno; { + int numregs; + if (regno == -1) - for (regno = 0; regno < NUM_REGS; regno++) - fetch_register (regno); + { + numregs = ARCH_NUM_REGS; + for (regno = 0; regno < numregs; regno++) + fetch_register (regno); + } else fetch_register (regno); } @@ -303,9 +312,10 @@ void store_inferior_registers (regno) int regno; { - register unsigned int regaddr; + /* This isn't really an address. But ptrace thinks of it as one. */ + CORE_ADDR regaddr; char buf[80]; - register int i; + register int i, numregs; unsigned int offset = U_REGS_OFFSET; @@ -327,7 +337,8 @@ store_inferior_registers (regno) } else { - for (regno = 0; regno < NUM_REGS; regno++) + numregs = ARCH_NUM_REGS; + for (regno = 0; regno < numregs; regno++) { if (CANNOT_STORE_REGISTER (regno)) continue; |