diff options
Diffstat (limited to 'gdb/target.c')
| -rw-r--r-- | gdb/target.c | 68 |
1 files changed, 63 insertions, 5 deletions
diff --git a/gdb/target.c b/gdb/target.c index c959b73..8e87aaf 100644 --- a/gdb/target.c +++ b/gdb/target.c @@ -1028,6 +1028,14 @@ static struct { {"SIG62", "Real-time event 62"}, {"SIG63", "Real-time event 63"}, + /* Mach exceptions */ + {"EXC_BAD_ACCESS", "Could not access memory"}, + {"EXC_BAD_INSTRUCTION", "Illegal instruction/operand"}, + {"EXC_ARITHMETIC", "Arithmetic exception"}, + {"EXC_EMULATION", "Emulation instruction"}, + {"EXC_SOFTWARE", "Software generated exception"}, + {"EXC_BREAKPOINT", "Breakpoint"}, + {NULL, "Unknown signal"}, {NULL, "Internal error: printing TARGET_SIGNAL_DEFAULT"}, @@ -1225,6 +1233,27 @@ target_signal_from_host (hostsig) #if defined (SIGPRIO) if (hostsig == SIGPRIO) return TARGET_SIGNAL_PRIO; #endif + + /* Mach exceptions. Assumes that the values for EXC_ are positive! */ +#if defined (EXC_BAD_ACCESS) && defined (_NSIG) + if (hostsig == _NSIG + EXC_BAD_ACCESS) return TARGET_EXC_BAD_ACCESS; +#endif +#if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG) + if (hostsig == _NSIG + EXC_BAD_INSTRUCTION) return TARGET_EXC_BAD_INSTRUCTION; +#endif +#if defined (EXC_ARITHMETIC) && defined (_NSIG) + if (hostsig == _NSIG + EXC_ARITHMETIC) return TARGET_EXC_ARITHMETIC; +#endif +#if defined (EXC_EMULATION) && defined (_NSIG) + if (hostsig == _NSIG + EXC_EMULATION) return TARGET_EXC_EMULATION; +#endif +#if defined (EXC_SOFTWARE) && defined (_NSIG) + if (hostsig == _NSIG + EXC_SOFTWARE) return TARGET_EXC_SOFTWARE; +#endif +#if defined (EXC_BREAKPOINT) && defined (_NSIG) + if (hostsig == _NSIG + EXC_BREAKPOINT) return TARGET_EXC_BREAKPOINT; +#endif + #if defined (REALTIME_LO) if (hostsig >= REALTIME_LO && hostsig < REALTIME_HI) return (enum target_signal) @@ -1378,6 +1407,27 @@ target_signal_to_host (oursig) #if defined (SIGPRIO) case TARGET_SIGNAL_PRIO: return SIGPRIO; #endif + + /* Mach exceptions. Assumes that the values for EXC_ are positive! */ +#if defined (EXC_BAD_ACCESS) && defined (_NSIG) + case TARGET_EXC_BAD_ACCESS: return _NSIG + EXC_BAD_ACCESS; +#endif +#if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG) + case TARGET_EXC_BAD_INSTRUCTION: return _NSIG + EXC_BAD_INSTRUCTION; +#endif +#if defined (EXC_ARITHMETIC) && defined (_NSIG) + case TARGET_EXC_ARITHMETIC: return _NSIG + EXC_ARITHMETIC; +#endif +#if defined (EXC_EMULATION) && defined (_NSIG) + case TARGET_EXC_EMULATION: return _NSIG + EXC_EMULATION; +#endif +#if defined (EXC_SOFTWARE) && defined (_NSIG) + case TARGET_EXC_SOFTWARE: return _NSIG + EXC_SOFTWARE; +#endif +#if defined (EXC_BREAKPOINT) && defined (_NSIG) + case TARGET_EXC_BREAKPOINT: return _NSIG + EXC_BREAKPOINT; +#endif + default: #if defined (REALTIME_LO) if (oursig >= TARGET_SIGNAL_REALTIME_33 @@ -1609,7 +1659,8 @@ debug_to_xfer_memory (memaddr, myaddr, len, write, target) retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, target); - fprintf_unfiltered (stderr, "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", + fprintf_unfiltered (stderr, + "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", memaddr, len, write ? "write" : "read", retval); if (retval > 0) @@ -1618,7 +1669,11 @@ debug_to_xfer_memory (memaddr, myaddr, len, write, target) fputs_unfiltered (", bytes =", gdb_stderr); for (i = 0; i < retval; i++) - fprintf_unfiltered (stderr, " %02x", myaddr[i] & 0xff); + { + if ((((long) &(myaddr[i])) & 0xf) == 0) + fprintf_unfiltered (stderr, "\n"); + fprintf_unfiltered (stderr, " %02x", myaddr[i] & 0xff); + } } fputc_unfiltered ('\n', gdb_stderr); @@ -1783,10 +1838,13 @@ static int debug_to_thread_alive (pid) int pid; { - debug_target.to_thread_alive (pid); + int retval; + + retval = debug_target.to_thread_alive (pid); - fprintf_unfiltered (stderr, "target_thread_alive (%d)\n", pid); - return (0); + fprintf_unfiltered (stderr, "target_thread_alive (%d) = %d\n", pid, retval); + + return retval; } static void |