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author | Kevin Buettner <kevinb@redhat.com> | 2001-05-04 04:15:33 +0000 |
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committer | Kevin Buettner <kevinb@redhat.com> | 2001-05-04 04:15:33 +0000 |
commit | 39f770628a4eaf018fec8d55684bf2ec16ada9cc (patch) | |
tree | 69027cfb7df2ecc521ab2cc1d25a7dd6cbe56632 /gdb/lynx-nat.c | |
parent | b1af961c8433821f61dd1849cff9eb9a8bb974e8 (diff) | |
download | gdb-39f770628a4eaf018fec8d55684bf2ec16ada9cc.zip gdb-39f770628a4eaf018fec8d55684bf2ec16ada9cc.tar.gz gdb-39f770628a4eaf018fec8d55684bf2ec16ada9cc.tar.bz2 |
Phase 1 of the ptid_t changes.
Diffstat (limited to 'gdb/lynx-nat.c')
-rw-r--r-- | gdb/lynx-nat.c | 74 |
1 files changed, 40 insertions, 34 deletions
diff --git a/gdb/lynx-nat.c b/gdb/lynx-nat.c index 28ef6b6..e76406f 100644 --- a/gdb/lynx-nat.c +++ b/gdb/lynx-nat.c @@ -287,8 +287,8 @@ fetch_inferior_registers (int regno) int i; errno = 0; - retval = ptrace (PTRACE_GETREGS, inferior_pid, (PTRACE_ARG3_TYPE) & ec, - 0); + retval = ptrace (PTRACE_GETREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) & ec, 0); if (errno) perror_with_name ("ptrace(PTRACE_GETREGS)"); @@ -340,8 +340,8 @@ fetch_inferior_registers (int regno) int i; errno = 0; - retval = ptrace (PTRACE_GETFPREGS, inferior_pid, (PTRACE_ARG3_TYPE) & fc, - 0); + retval = ptrace (PTRACE_GETFPREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) & fc, 0); if (errno) perror_with_name ("ptrace(PTRACE_GETFPREGS)"); @@ -396,8 +396,8 @@ store_inferior_registers (int regno) 8 * REGISTER_RAW_SIZE (O0_REGNUM)); errno = 0; - retval = ptrace (PTRACE_SETREGS, inferior_pid, (PTRACE_ARG3_TYPE) & ec, - 0); + retval = ptrace (PTRACE_SETREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) & ec, 0); if (errno) perror_with_name ("ptrace(PTRACE_SETREGS)"); } @@ -444,8 +444,8 @@ store_inferior_registers (int regno) /* We read fcontext first so that we can get good values for fq_t... */ errno = 0; - retval = ptrace (PTRACE_GETFPREGS, inferior_pid, (PTRACE_ARG3_TYPE) & fc, - 0); + retval = ptrace (PTRACE_GETFPREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) & fc, 0); if (errno) perror_with_name ("ptrace(PTRACE_GETFPREGS)"); @@ -455,8 +455,8 @@ store_inferior_registers (int regno) fc.fsr = read_register (FPS_REGNUM); errno = 0; - retval = ptrace (PTRACE_SETFPREGS, inferior_pid, (PTRACE_ARG3_TYPE) & fc, - 0); + retval = ptrace (PTRACE_SETFPREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) & fc, 0); if (errno) perror_with_name ("ptrace(PTRACE_SETFPREGS)"); } @@ -508,7 +508,7 @@ fetch_inferior_registers (int regno) else reglo = reghi = regno; - ecp = registers_addr (inferior_pid); + ecp = registers_addr (PIDGET (inferior_ptid)); for (regno = reglo; regno <= reghi; regno++) { @@ -524,7 +524,7 @@ fetch_inferior_registers (int regno) unsigned int reg; errno = 0; - reg = ptrace (ptrace_fun, inferior_pid, + reg = ptrace (ptrace_fun, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) (ecp + regmap[regno] + i), 0); if (errno) perror_with_name ("ptrace(PTRACE_PEEKUSP)"); @@ -559,7 +559,7 @@ store_inferior_registers (int regno) else reglo = reghi = regno; - ecp = registers_addr (inferior_pid); + ecp = registers_addr (PIDGET (inferior_ptid)); for (regno = reglo; regno <= reghi; regno++) { @@ -579,7 +579,7 @@ store_inferior_registers (int regno) reg = *(unsigned int *) ®isters[REGISTER_BYTE (regno) + i]; errno = 0; - ptrace (ptrace_fun, inferior_pid, + ptrace (ptrace_fun, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) (ecp + regmap[regno] + i), reg); if (errno) perror_with_name ("ptrace(PTRACE_POKEUSP)"); @@ -591,12 +591,13 @@ store_inferior_registers (int regno) /* Wait for child to do something. Return pid of child, or -1 in case of error; store status through argument pointer OURSTATUS. */ -int -child_wait (int pid, struct target_waitstatus *ourstatus) +ptid_t +child_wait (ptid_t ptid, struct target_waitstatus *ourstatus) { int save_errno; int thread; union wait status; + int pid; while (1) { @@ -622,7 +623,7 @@ child_wait (int pid, struct target_waitstatus *ourstatus) return -1; } - if (pid != PIDGET (inferior_pid)) /* Some other process?!? */ + if (pid != PIDGET (inferior_ptid)) /* Some other process?!? */ continue; thread = status.w_tid; /* Get thread id from status */ @@ -630,26 +631,27 @@ child_wait (int pid, struct target_waitstatus *ourstatus) /* Initial thread value can only be acquired via wait, so we have to resort to this hack. */ - if (TIDGET (inferior_pid) == 0 && thread != 0) + if (TIDGET (inferior_ptid) == 0 && thread != 0) { - inferior_pid = BUILDPID (inferior_pid, thread); - add_thread (inferior_pid); + inferior_ptid = MERGEPID (PIDGET (inferior_ptid), thread); + add_thread (inferior_ptid); } - pid = BUILDPID (pid, thread); + ptid = BUILDPID (pid, thread); /* We've become a single threaded process again. */ if (thread == 0) - inferior_pid = pid; + inferior_ptid = ptid; /* Check for thread creation. */ if (WIFSTOPPED (status) && WSTOPSIG (status) == SIGTRAP - && !in_thread_list (pid)) + && !in_thread_list (ptid)) { int realsig; - realsig = ptrace (PTRACE_GETTRACESIG, pid, (PTRACE_ARG3_TYPE) 0, 0); + realsig = ptrace (PTRACE_GETTRACESIG, PIDGET (ptid), + (PTRACE_ARG3_TYPE) 0, 0); if (realsig == SIGNEWTHREAD) { @@ -657,7 +659,7 @@ child_wait (int pid, struct target_waitstatus *ourstatus) realsig -- the code in wait_for_inferior expects SIGTRAP. */ ourstatus->kind = TARGET_WAITKIND_SPURIOUS; ourstatus->value.sig = TARGET_SIGNAL_0; - return pid; + return ptid; } else error ("Signal for unknown thread was not SIGNEWTHREAD"); @@ -666,15 +668,16 @@ child_wait (int pid, struct target_waitstatus *ourstatus) /* Check for thread termination. */ else if (WIFSTOPPED (status) && WSTOPSIG (status) == SIGTRAP - && in_thread_list (pid)) + && in_thread_list (ptid)) { int realsig; - realsig = ptrace (PTRACE_GETTRACESIG, pid, (PTRACE_ARG3_TYPE) 0, 0); + realsig = ptrace (PTRACE_GETTRACESIG, PIDGET (ptid), + (PTRACE_ARG3_TYPE) 0, 0); if (realsig == SIGTHREADEXIT) { - ptrace (PTRACE_CONT, PIDGET (pid), (PTRACE_ARG3_TYPE) 0, 0); + ptrace (PTRACE_CONT, PIDGET (ptid), (PTRACE_ARG3_TYPE) 0, 0); continue; } } @@ -705,14 +708,16 @@ child_wait (int pid, struct target_waitstatus *ourstatus) store_waitstatus (ourstatus, status.w_status); #endif - return pid; + return ptid; } } /* Return nonzero if the given thread is still alive. */ int -child_thread_alive (int pid) +child_thread_alive (ptid_t ptid) { + int pid = PIDGET (ptid); + /* Arggh. Apparently pthread_kill only works for threads within the process that calls pthread_kill. @@ -730,9 +735,10 @@ child_thread_alive (int pid) If SIGNAL is nonzero, give it that signal. */ void -child_resume (int pid, int step, enum target_signal signal) +child_resume (ptid_t ptid, int step, enum target_signal signal) { int func; + int pid = PIDGET (ptid); errno = 0; @@ -740,7 +746,7 @@ child_resume (int pid, int step, enum target_signal signal) we only want to step/continue a single thread. */ if (pid == -1) { - pid = inferior_pid; + pid = PIDGET (inferior_ptid); func = step ? PTRACE_SINGLESTEP : PTRACE_CONT; } else @@ -766,11 +772,11 @@ child_resume (int pid, int step, enum target_signal signal) buffer. */ char * -child_pid_to_str (int pid) +child_pid_to_str (ptid_t ptid) { static char buf[40]; - sprintf (buf, "process %d thread %d", PIDGET (pid), TIDGET (pid)); + sprintf (buf, "process %d thread %d", PIDGET (ptid), TIDGET (ptid)); return buf; } |