diff options
Diffstat (limited to 'contrib/gdb/gdb/gdbserver/low-hppabsd.c')
| -rw-r--r-- | contrib/gdb/gdb/gdbserver/low-hppabsd.c | 146 |
1 files changed, 61 insertions, 85 deletions
diff --git a/contrib/gdb/gdb/gdbserver/low-hppabsd.c b/contrib/gdb/gdb/gdbserver/low-hppabsd.c index c784d0c..3287923 100644 --- a/contrib/gdb/gdb/gdbserver/low-hppabsd.c +++ b/contrib/gdb/gdb/gdbserver/low-hppabsd.c @@ -1,23 +1,24 @@ /* Low level interface to ptrace, for the remote server for GDB. - Copyright (C) 1995 Free Software Foundation, Inc. + Copyright 1995, 1996, 1999, 2000, 2001, 2002 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 "server.h" #include <sys/wait.h> #include "frame.h" #include "inferior.h" @@ -32,33 +33,20 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <fcntl.h> /***************Begin MY defs*********************/ -int quit_flag = 0; -char registers[REGISTER_BYTES]; - -/* Index within `registers' of the first byte of the space for - register N. */ - - -char buf2[MAX_REGISTER_RAW_SIZE]; +static char my_registers[REGISTER_BYTES]; +char *registers = my_registers; /***************End MY defs*********************/ #include <sys/ptrace.h> #include <machine/reg.h> -extern char **environ; extern int errno; -extern int inferior_pid; -void quit (), perror_with_name (); -int query (); /* Start an inferior process and returns its pid. - ALLARGS is a vector of program-name and args. - ENV is the environment vector to pass. */ + ALLARGS is a vector of program-name and args. */ int -create_inferior (program, allargs) - char *program; - char **allargs; +create_inferior (char *program, char **allargs) { int pid; @@ -84,19 +72,25 @@ create_inferior (program, allargs) /* Kill the inferior process. Make us have no inferior. */ void -kill_inferior () +kill_inferior (void) { if (inferior_pid == 0) return; ptrace (8, inferior_pid, 0, 0, 0); wait (0); - /*************inferior_died ();****VK**************/ +/*************inferior_died ();****VK**************/ +} + +/* Attaching is not supported. */ +int +myattach (int pid) +{ + return -1; } /* Return nonzero if the given thread is still alive. */ int -mythread_alive (pid) - int pid; +mythread_alive (int pid) { return 1; } @@ -104,13 +98,14 @@ mythread_alive (pid) /* Wait for process, returns status */ unsigned char -mywait (status) - char *status; +mywait (char *status) { int pid; union wait w; - pid = wait (&w); + enable_async_io (); + pid = waitpid (inferior_pid, &w, 0); + disable_async_io (); if (pid != inferior_pid) perror_with_name ("wait"); @@ -138,9 +133,7 @@ mywait (status) If SIGNAL is nonzero, give it that signal. */ void -myresume (step, signal) - int step; - int signal; +myresume (int step, int signal) { errno = 0; ptrace (step ? PT_STEP : PT_CONTINUE, inferior_pid, 1, signal, 0); @@ -162,13 +155,11 @@ myresume (step, signal) #endif CORE_ADDR -register_addr (regno, blockend) - int regno; - CORE_ADDR blockend; +register_addr (int regno, CORE_ADDR blockend) { CORE_ADDR addr; - if (regno < 0 || regno >= ARCH_NUM_REGS) + if (regno < 0 || regno >= NUM_REGS) error ("Invalid register number %d.", regno); REGISTER_U_ADDR (addr, blockend, regno); @@ -179,8 +170,7 @@ register_addr (regno, blockend) /* Fetch one register. */ static void -fetch_register (regno) - int regno; +fetch_register (int regno) { register unsigned int regaddr; char buf[MAX_REGISTER_RAW_SIZE]; @@ -195,8 +185,8 @@ fetch_register (regno) for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int)) { errno = 0; - *(int *) ®isters[ regno * 4 + i] = ptrace (PT_RUREGS, inferior_pid, - (PTRACE_ARG3_TYPE) regaddr, 0, 0); + *(int *) ®isters[regno * 4 + i] = ptrace (PT_RUREGS, inferior_pid, + (PTRACE_ARG3_TYPE) regaddr, 0, 0); regaddr += sizeof (int); if (errno != 0) { @@ -209,14 +199,13 @@ fetch_register (regno) goto error_exit; } } - error_exit:; +error_exit:; } /* Fetch all registers, or just one, from the child process. */ void -fetch_inferior_registers (regno) - int regno; +fetch_inferior_registers (int regno) { if (regno == -1 || regno == 0) for (regno = 0; regno < NUM_REGS; regno++) @@ -230,8 +219,7 @@ fetch_inferior_registers (regno) Otherwise, REGNO specifies which register (so we can save time). */ void -store_inferior_registers (regno) - int regno; +store_inferior_registers (int regno) { register unsigned int regaddr; char buf[80]; @@ -247,20 +235,20 @@ store_inferior_registers (regno) regaddr = register_addr (regno, offset); errno = 0; if (regno == PCOQ_HEAD_REGNUM || regno == PCOQ_TAIL_REGNUM) - { - scratch = *(int *) ®isters[REGISTER_BYTE (regno)] | 0x3; - ptrace (PT_WUREGS, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, - scratch, 0); - if (errno != 0) - { + { + scratch = *(int *) ®isters[REGISTER_BYTE (regno)] | 0x3; + ptrace (PT_WUREGS, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, + scratch, 0); + if (errno != 0) + { /* Error, even if attached. Failing to write these two - registers is pretty serious. */ - sprintf (buf, "writing register number %d", regno); - perror_with_name (buf); - } - } + registers is pretty serious. */ + sprintf (buf, "writing register number %d", regno); + perror_with_name (buf); + } + } else - for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(int)) + for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int)) { errno = 0; ptrace (PT_WUREGS, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, @@ -276,7 +264,7 @@ store_inferior_registers (regno) error (msg); return; } - regaddr += sizeof(int); + regaddr += sizeof (int); } } else @@ -293,14 +281,12 @@ store_inferior_registers (regno) /* Copy LEN bytes from inferior's memory starting at MEMADDR to debugger memory starting at MYADDR. */ -read_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; +void +read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) { register int i; /* Round starting address down to longword boundary. */ - register CORE_ADDR addr = memaddr & -sizeof (int); + register CORE_ADDR addr = memaddr & -(CORE_ADDR) sizeof (int); /* Round ending address up; get number of longwords that makes. */ register int count = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int); @@ -323,14 +309,11 @@ read_inferior_memory (memaddr, myaddr, len) returns the value of errno. */ int -write_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; +write_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) { register int i; /* Round starting address down to longword boundary. */ - register CORE_ADDR addr = memaddr & -sizeof (int); + register CORE_ADDR addr = memaddr & -(CORE_ADDR) sizeof (int); /* Round ending address up; get number of longwords that makes. */ register int count = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int); @@ -367,13 +350,6 @@ write_inferior_memory (memaddr, myaddr, len) } void -initialize () -{ - inferior_pid = 0; -} - -int -have_inferior_p () +initialize_low (void) { - return inferior_pid != 0; } |
