X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Flynx-nat.c;h=37edc2bcb5cc3a7fb55f5f772cc4cdfcca3c2554;hb=bde581776ee3d20d2fcd52c8bbc943abf3e4ca89;hp=28ef6b6cb6e5e31a1aebd7f22de4cc83d4423630;hpb=b6ba6518e9254bc25f88088228e93ac966ebccd1;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/lynx-nat.c b/gdb/lynx-nat.c index 28ef6b6cb6..37edc2bcb5 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)"); @@ -296,10 +296,10 @@ fetch_inferior_registers (int regno) supply_register (G0_REGNUM, buf); supply_register (TBR_REGNUM, (char *) &ec.tbr); - memcpy (®isters[REGISTER_BYTE (G1_REGNUM)], &ec.g1, + memcpy (&deprecated_registers[REGISTER_BYTE (G1_REGNUM)], &ec.g1, 4 * REGISTER_RAW_SIZE (G1_REGNUM)); for (i = G1_REGNUM; i <= G1_REGNUM + 3; i++) - register_valid[i] = 1; + deprecated_register_valid[i] = 1; supply_register (PS_REGNUM, (char *) &ec.psr); supply_register (Y_REGNUM, (char *) &ec.y); @@ -307,10 +307,10 @@ fetch_inferior_registers (int regno) supply_register (NPC_REGNUM, (char *) &ec.npc); supply_register (WIM_REGNUM, (char *) &ec.wim); - memcpy (®isters[REGISTER_BYTE (O0_REGNUM)], ec.o, + memcpy (&deprecated_registers[REGISTER_BYTE (O0_REGNUM)], ec.o, 8 * REGISTER_RAW_SIZE (O0_REGNUM)); for (i = O0_REGNUM; i <= O0_REGNUM + 7; i++) - register_valid[i] = 1; + deprecated_register_valid[i] = 1; } if (whatregs & WHATREGS_STACK) @@ -321,16 +321,16 @@ fetch_inferior_registers (int regno) sp = read_register (SP_REGNUM); target_read_memory (sp + FRAME_SAVED_I0, - ®isters[REGISTER_BYTE (I0_REGNUM)], + &deprecated_registers[REGISTER_BYTE (I0_REGNUM)], 8 * REGISTER_RAW_SIZE (I0_REGNUM)); for (i = I0_REGNUM; i <= I7_REGNUM; i++) - register_valid[i] = 1; + deprecated_register_valid[i] = 1; target_read_memory (sp + FRAME_SAVED_L0, - ®isters[REGISTER_BYTE (L0_REGNUM)], + &deprecated_registers[REGISTER_BYTE (L0_REGNUM)], 8 * REGISTER_RAW_SIZE (L0_REGNUM)); for (i = L0_REGNUM; i <= L0_REGNUM + 7; i++) - register_valid[i] = 1; + deprecated_register_valid[i] = 1; } if (whatregs & WHATREGS_FLOAT) @@ -340,15 +340,15 @@ 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)"); - memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], fc.f.fregs, + memcpy (&deprecated_registers[REGISTER_BYTE (FP0_REGNUM)], fc.f.fregs, 32 * REGISTER_RAW_SIZE (FP0_REGNUM)); for (i = FP0_REGNUM; i <= FP0_REGNUM + 31; i++) - register_valid[i] = 1; + deprecated_register_valid[i] = 1; supply_register (FPS_REGNUM, (char *) &fc.fsr); } @@ -383,7 +383,7 @@ store_inferior_registers (int regno) int retval; ec.tbr = read_register (TBR_REGNUM); - memcpy (&ec.g1, ®isters[REGISTER_BYTE (G1_REGNUM)], + memcpy (&ec.g1, &deprecated_registers[REGISTER_BYTE (G1_REGNUM)], 4 * REGISTER_RAW_SIZE (G1_REGNUM)); ec.psr = read_register (PS_REGNUM); @@ -392,12 +392,12 @@ store_inferior_registers (int regno) ec.npc = read_register (NPC_REGNUM); ec.wim = read_register (WIM_REGNUM); - memcpy (ec.o, ®isters[REGISTER_BYTE (O0_REGNUM)], + memcpy (ec.o, &deprecated_registers[REGISTER_BYTE (O0_REGNUM)], 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)"); } @@ -411,19 +411,19 @@ store_inferior_registers (int regno) if (regno == -1 || regno == SP_REGNUM) { - if (!register_valid[L0_REGNUM + 5]) + if (!deprecated_register_valid[L0_REGNUM + 5]) internal_error (__FILE__, __LINE__, "failed internal consistency check"); target_write_memory (sp + FRAME_SAVED_I0, - ®isters[REGISTER_BYTE (I0_REGNUM)], + &deprecated_registers[REGISTER_BYTE (I0_REGNUM)], 8 * REGISTER_RAW_SIZE (I0_REGNUM)); target_write_memory (sp + FRAME_SAVED_L0, - ®isters[REGISTER_BYTE (L0_REGNUM)], + &deprecated_registers[REGISTER_BYTE (L0_REGNUM)], 8 * REGISTER_RAW_SIZE (L0_REGNUM)); } else if (regno >= L0_REGNUM && regno <= I7_REGNUM) { - if (!register_valid[regno]) + if (!deprecated_register_valid[regno]) internal_error (__FILE__, __LINE__, "failed internal consistency check"); if (regno >= L0_REGNUM && regno <= L0_REGNUM + 7) regoffset = REGISTER_BYTE (regno) - REGISTER_BYTE (L0_REGNUM) @@ -432,7 +432,7 @@ store_inferior_registers (int regno) regoffset = REGISTER_BYTE (regno) - REGISTER_BYTE (I0_REGNUM) + FRAME_SAVED_I0; target_write_memory (sp + regoffset, - ®isters[REGISTER_BYTE (regno)], + &deprecated_registers[REGISTER_BYTE (regno)], REGISTER_RAW_SIZE (regno)); } } @@ -444,19 +444,19 @@ 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)"); - memcpy (fc.f.fregs, ®isters[REGISTER_BYTE (FP0_REGNUM)], + memcpy (fc.f.fregs, &deprecated_registers[REGISTER_BYTE (FP0_REGNUM)], 32 * REGISTER_RAW_SIZE (FP0_REGNUM)); 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)"); @@ -539,11 +539,6 @@ fetch_inferior_registers (int regno) If REGNO is -1, do this for all registers. Otherwise, REGNO specifies which register (so we can save time). */ -/* Registers we shouldn't try to store. */ -#if !defined (CANNOT_STORE_REGISTER) -#define CANNOT_STORE_REGISTER(regno) 0 -#endif - void store_inferior_registers (int regno) { @@ -559,7 +554,7 @@ 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++) { @@ -576,10 +571,10 @@ store_inferior_registers (int regno) { unsigned int reg; - reg = *(unsigned int *) ®isters[REGISTER_BYTE (regno) + i]; + reg = *(unsigned int *) &deprecated_registers[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 +586,13 @@ 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 +618,7 @@ 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 +626,27 @@ 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 +654,7 @@ 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 +663,16 @@ 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 +703,16 @@ 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 +730,10 @@ 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 +741,7 @@ 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 +767,11 @@ 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; }