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Diffstat (limited to 'gdb/common/signals.c')
| -rw-r--r-- | gdb/common/signals.c | 851 |
1 files changed, 851 insertions, 0 deletions
diff --git a/gdb/common/signals.c b/gdb/common/signals.c new file mode 100644 index 0000000..ae8032f --- /dev/null +++ b/gdb/common/signals.c @@ -0,0 +1,851 @@ +/* Target signal translation functions for GDB. + Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, + 2000, 2001, 2002, 2003, 2006, 2007, 2008, 2009 + Free Software Foundation, Inc. + Contributed by Cygnus Support. + + 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 3 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. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#ifdef GDBSERVER +#include "server.h" +#else +#include "defs.h" +#include "gdb_string.h" +#endif + +#ifdef HAVE_SIGNAL_H +#include <signal.h> +#endif + +#include "gdb_signals.h" + +struct gdbarch; + +/* Always use __SIGRTMIN if it's available. SIGRTMIN is the lowest + _available_ realtime signal, not the lowest supported; glibc takes + several for its own use. */ + +#ifndef REALTIME_LO +# if defined(__SIGRTMIN) +# define REALTIME_LO __SIGRTMIN +# define REALTIME_HI (__SIGRTMAX + 1) +# elif defined(SIGRTMIN) +# define REALTIME_LO SIGRTMIN +# define REALTIME_HI (SIGRTMAX + 1) +# endif +#endif + +/* This table must match in order and size the signals in enum target_signal + in src/include/gdb/signals.h. */ +/* *INDENT-OFF* */ +static const struct { + const char *name; + const char *string; + } signals [] = +{ + {"0", "Signal 0"}, + {"SIGHUP", "Hangup"}, + {"SIGINT", "Interrupt"}, + {"SIGQUIT", "Quit"}, + {"SIGILL", "Illegal instruction"}, + {"SIGTRAP", "Trace/breakpoint trap"}, + {"SIGABRT", "Aborted"}, + {"SIGEMT", "Emulation trap"}, + {"SIGFPE", "Arithmetic exception"}, + {"SIGKILL", "Killed"}, + {"SIGBUS", "Bus error"}, + {"SIGSEGV", "Segmentation fault"}, + {"SIGSYS", "Bad system call"}, + {"SIGPIPE", "Broken pipe"}, + {"SIGALRM", "Alarm clock"}, + {"SIGTERM", "Terminated"}, + {"SIGURG", "Urgent I/O condition"}, + {"SIGSTOP", "Stopped (signal)"}, + {"SIGTSTP", "Stopped (user)"}, + {"SIGCONT", "Continued"}, + {"SIGCHLD", "Child status changed"}, + {"SIGTTIN", "Stopped (tty input)"}, + {"SIGTTOU", "Stopped (tty output)"}, + {"SIGIO", "I/O possible"}, + {"SIGXCPU", "CPU time limit exceeded"}, + {"SIGXFSZ", "File size limit exceeded"}, + {"SIGVTALRM", "Virtual timer expired"}, + {"SIGPROF", "Profiling timer expired"}, + {"SIGWINCH", "Window size changed"}, + {"SIGLOST", "Resource lost"}, + {"SIGUSR1", "User defined signal 1"}, + {"SIGUSR2", "User defined signal 2"}, + {"SIGPWR", "Power fail/restart"}, + {"SIGPOLL", "Pollable event occurred"}, + {"SIGWIND", "SIGWIND"}, + {"SIGPHONE", "SIGPHONE"}, + {"SIGWAITING", "Process's LWPs are blocked"}, + {"SIGLWP", "Signal LWP"}, + {"SIGDANGER", "Swap space dangerously low"}, + {"SIGGRANT", "Monitor mode granted"}, + {"SIGRETRACT", "Need to relinquish monitor mode"}, + {"SIGMSG", "Monitor mode data available"}, + {"SIGSOUND", "Sound completed"}, + {"SIGSAK", "Secure attention"}, + {"SIGPRIO", "SIGPRIO"}, + {"SIG33", "Real-time event 33"}, + {"SIG34", "Real-time event 34"}, + {"SIG35", "Real-time event 35"}, + {"SIG36", "Real-time event 36"}, + {"SIG37", "Real-time event 37"}, + {"SIG38", "Real-time event 38"}, + {"SIG39", "Real-time event 39"}, + {"SIG40", "Real-time event 40"}, + {"SIG41", "Real-time event 41"}, + {"SIG42", "Real-time event 42"}, + {"SIG43", "Real-time event 43"}, + {"SIG44", "Real-time event 44"}, + {"SIG45", "Real-time event 45"}, + {"SIG46", "Real-time event 46"}, + {"SIG47", "Real-time event 47"}, + {"SIG48", "Real-time event 48"}, + {"SIG49", "Real-time event 49"}, + {"SIG50", "Real-time event 50"}, + {"SIG51", "Real-time event 51"}, + {"SIG52", "Real-time event 52"}, + {"SIG53", "Real-time event 53"}, + {"SIG54", "Real-time event 54"}, + {"SIG55", "Real-time event 55"}, + {"SIG56", "Real-time event 56"}, + {"SIG57", "Real-time event 57"}, + {"SIG58", "Real-time event 58"}, + {"SIG59", "Real-time event 59"}, + {"SIG60", "Real-time event 60"}, + {"SIG61", "Real-time event 61"}, + {"SIG62", "Real-time event 62"}, + {"SIG63", "Real-time event 63"}, + {"SIGCANCEL", "LWP internal signal"}, + {"SIG32", "Real-time event 32"}, + {"SIG64", "Real-time event 64"}, + {"SIG65", "Real-time event 65"}, + {"SIG66", "Real-time event 66"}, + {"SIG67", "Real-time event 67"}, + {"SIG68", "Real-time event 68"}, + {"SIG69", "Real-time event 69"}, + {"SIG70", "Real-time event 70"}, + {"SIG71", "Real-time event 71"}, + {"SIG72", "Real-time event 72"}, + {"SIG73", "Real-time event 73"}, + {"SIG74", "Real-time event 74"}, + {"SIG75", "Real-time event 75"}, + {"SIG76", "Real-time event 76"}, + {"SIG77", "Real-time event 77"}, + {"SIG78", "Real-time event 78"}, + {"SIG79", "Real-time event 79"}, + {"SIG80", "Real-time event 80"}, + {"SIG81", "Real-time event 81"}, + {"SIG82", "Real-time event 82"}, + {"SIG83", "Real-time event 83"}, + {"SIG84", "Real-time event 84"}, + {"SIG85", "Real-time event 85"}, + {"SIG86", "Real-time event 86"}, + {"SIG87", "Real-time event 87"}, + {"SIG88", "Real-time event 88"}, + {"SIG89", "Real-time event 89"}, + {"SIG90", "Real-time event 90"}, + {"SIG91", "Real-time event 91"}, + {"SIG92", "Real-time event 92"}, + {"SIG93", "Real-time event 93"}, + {"SIG94", "Real-time event 94"}, + {"SIG95", "Real-time event 95"}, + {"SIG96", "Real-time event 96"}, + {"SIG97", "Real-time event 97"}, + {"SIG98", "Real-time event 98"}, + {"SIG99", "Real-time event 99"}, + {"SIG100", "Real-time event 100"}, + {"SIG101", "Real-time event 101"}, + {"SIG102", "Real-time event 102"}, + {"SIG103", "Real-time event 103"}, + {"SIG104", "Real-time event 104"}, + {"SIG105", "Real-time event 105"}, + {"SIG106", "Real-time event 106"}, + {"SIG107", "Real-time event 107"}, + {"SIG108", "Real-time event 108"}, + {"SIG109", "Real-time event 109"}, + {"SIG110", "Real-time event 110"}, + {"SIG111", "Real-time event 111"}, + {"SIG112", "Real-time event 112"}, + {"SIG113", "Real-time event 113"}, + {"SIG114", "Real-time event 114"}, + {"SIG115", "Real-time event 115"}, + {"SIG116", "Real-time event 116"}, + {"SIG117", "Real-time event 117"}, + {"SIG118", "Real-time event 118"}, + {"SIG119", "Real-time event 119"}, + {"SIG120", "Real-time event 120"}, + {"SIG121", "Real-time event 121"}, + {"SIG122", "Real-time event 122"}, + {"SIG123", "Real-time event 123"}, + {"SIG124", "Real-time event 124"}, + {"SIG125", "Real-time event 125"}, + {"SIG126", "Real-time event 126"}, + {"SIG127", "Real-time event 127"}, + + {"SIGINFO", "Information request"}, + + {NULL, "Unknown signal"}, + {NULL, "Internal error: printing TARGET_SIGNAL_DEFAULT"}, + + /* 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"}, + + /* Last entry, used to check whether the table is the right size. */ + {NULL, "TARGET_SIGNAL_MAGIC"} +}; +/* *INDENT-ON* */ + + + +/* Return the string for a signal. */ +const char * +target_signal_to_string (enum target_signal sig) +{ + if ((int) sig >= TARGET_SIGNAL_FIRST && (int) sig <= TARGET_SIGNAL_LAST) + return signals[sig].string; + else + return signals[TARGET_SIGNAL_UNKNOWN].string; +} + +/* Return the name for a signal. */ +const char * +target_signal_to_name (enum target_signal sig) +{ + if ((int) sig >= TARGET_SIGNAL_FIRST && (int) sig <= TARGET_SIGNAL_LAST + && signals[sig].name != NULL) + return signals[sig].name; + else + /* I think the code which prints this will always print it along + with the string, so no need to be verbose (very old comment). */ + return "?"; +} + +/* Given a name, return its signal. */ +enum target_signal +target_signal_from_name (const char *name) +{ + enum target_signal sig; + + /* It's possible we also should allow "SIGCLD" as well as "SIGCHLD" + for TARGET_SIGNAL_SIGCHLD. SIGIOT, on the other hand, is more + questionable; seems like by now people should call it SIGABRT + instead. */ + + /* This ugly cast brought to you by the native VAX compiler. */ + for (sig = TARGET_SIGNAL_HUP; + sig < TARGET_SIGNAL_LAST; + sig = (enum target_signal) ((int) sig + 1)) + if (signals[sig].name != NULL + && strcmp (name, signals[sig].name) == 0) + return sig; + return TARGET_SIGNAL_UNKNOWN; +} + +/* The following functions are to help certain targets deal + with the signal/waitstatus stuff. They could just as well be in + a file called native-utils.c or unixwaitstatus-utils.c or whatever. */ + +/* Convert host signal to our signals. */ +enum target_signal +target_signal_from_host (int hostsig) +{ + /* A switch statement would make sense but would require special kludges + to deal with the cases where more than one signal has the same number. */ + + if (hostsig == 0) + return TARGET_SIGNAL_0; + +#if defined (SIGHUP) + if (hostsig == SIGHUP) + return TARGET_SIGNAL_HUP; +#endif +#if defined (SIGINT) + if (hostsig == SIGINT) + return TARGET_SIGNAL_INT; +#endif +#if defined (SIGQUIT) + if (hostsig == SIGQUIT) + return TARGET_SIGNAL_QUIT; +#endif +#if defined (SIGILL) + if (hostsig == SIGILL) + return TARGET_SIGNAL_ILL; +#endif +#if defined (SIGTRAP) + if (hostsig == SIGTRAP) + return TARGET_SIGNAL_TRAP; +#endif +#if defined (SIGABRT) + if (hostsig == SIGABRT) + return TARGET_SIGNAL_ABRT; +#endif +#if defined (SIGEMT) + if (hostsig == SIGEMT) + return TARGET_SIGNAL_EMT; +#endif +#if defined (SIGFPE) + if (hostsig == SIGFPE) + return TARGET_SIGNAL_FPE; +#endif +#if defined (SIGKILL) + if (hostsig == SIGKILL) + return TARGET_SIGNAL_KILL; +#endif +#if defined (SIGBUS) + if (hostsig == SIGBUS) + return TARGET_SIGNAL_BUS; +#endif +#if defined (SIGSEGV) + if (hostsig == SIGSEGV) + return TARGET_SIGNAL_SEGV; +#endif +#if defined (SIGSYS) + if (hostsig == SIGSYS) + return TARGET_SIGNAL_SYS; +#endif +#if defined (SIGPIPE) + if (hostsig == SIGPIPE) + return TARGET_SIGNAL_PIPE; +#endif +#if defined (SIGALRM) + if (hostsig == SIGALRM) + return TARGET_SIGNAL_ALRM; +#endif +#if defined (SIGTERM) + if (hostsig == SIGTERM) + return TARGET_SIGNAL_TERM; +#endif +#if defined (SIGUSR1) + if (hostsig == SIGUSR1) + return TARGET_SIGNAL_USR1; +#endif +#if defined (SIGUSR2) + if (hostsig == SIGUSR2) + return TARGET_SIGNAL_USR2; +#endif +#if defined (SIGCLD) + if (hostsig == SIGCLD) + return TARGET_SIGNAL_CHLD; +#endif +#if defined (SIGCHLD) + if (hostsig == SIGCHLD) + return TARGET_SIGNAL_CHLD; +#endif +#if defined (SIGPWR) + if (hostsig == SIGPWR) + return TARGET_SIGNAL_PWR; +#endif +#if defined (SIGWINCH) + if (hostsig == SIGWINCH) + return TARGET_SIGNAL_WINCH; +#endif +#if defined (SIGURG) + if (hostsig == SIGURG) + return TARGET_SIGNAL_URG; +#endif +#if defined (SIGIO) + if (hostsig == SIGIO) + return TARGET_SIGNAL_IO; +#endif +#if defined (SIGPOLL) + if (hostsig == SIGPOLL) + return TARGET_SIGNAL_POLL; +#endif +#if defined (SIGSTOP) + if (hostsig == SIGSTOP) + return TARGET_SIGNAL_STOP; +#endif +#if defined (SIGTSTP) + if (hostsig == SIGTSTP) + return TARGET_SIGNAL_TSTP; +#endif +#if defined (SIGCONT) + if (hostsig == SIGCONT) + return TARGET_SIGNAL_CONT; +#endif +#if defined (SIGTTIN) + if (hostsig == SIGTTIN) + return TARGET_SIGNAL_TTIN; +#endif +#if defined (SIGTTOU) + if (hostsig == SIGTTOU) + return TARGET_SIGNAL_TTOU; +#endif +#if defined (SIGVTALRM) + if (hostsig == SIGVTALRM) + return TARGET_SIGNAL_VTALRM; +#endif +#if defined (SIGPROF) + if (hostsig == SIGPROF) + return TARGET_SIGNAL_PROF; +#endif +#if defined (SIGXCPU) + if (hostsig == SIGXCPU) + return TARGET_SIGNAL_XCPU; +#endif +#if defined (SIGXFSZ) + if (hostsig == SIGXFSZ) + return TARGET_SIGNAL_XFSZ; +#endif +#if defined (SIGWIND) + if (hostsig == SIGWIND) + return TARGET_SIGNAL_WIND; +#endif +#if defined (SIGPHONE) + if (hostsig == SIGPHONE) + return TARGET_SIGNAL_PHONE; +#endif +#if defined (SIGLOST) + if (hostsig == SIGLOST) + return TARGET_SIGNAL_LOST; +#endif +#if defined (SIGWAITING) + if (hostsig == SIGWAITING) + return TARGET_SIGNAL_WAITING; +#endif +#if defined (SIGCANCEL) + if (hostsig == SIGCANCEL) + return TARGET_SIGNAL_CANCEL; +#endif +#if defined (SIGLWP) + if (hostsig == SIGLWP) + return TARGET_SIGNAL_LWP; +#endif +#if defined (SIGDANGER) + if (hostsig == SIGDANGER) + return TARGET_SIGNAL_DANGER; +#endif +#if defined (SIGGRANT) + if (hostsig == SIGGRANT) + return TARGET_SIGNAL_GRANT; +#endif +#if defined (SIGRETRACT) + if (hostsig == SIGRETRACT) + return TARGET_SIGNAL_RETRACT; +#endif +#if defined (SIGMSG) + if (hostsig == SIGMSG) + return TARGET_SIGNAL_MSG; +#endif +#if defined (SIGSOUND) + if (hostsig == SIGSOUND) + return TARGET_SIGNAL_SOUND; +#endif +#if defined (SIGSAK) + if (hostsig == SIGSAK) + return TARGET_SIGNAL_SAK; +#endif +#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 (SIGINFO) + if (hostsig == SIGINFO) + return TARGET_SIGNAL_INFO; +#endif + +#if defined (REALTIME_LO) + if (hostsig >= REALTIME_LO && hostsig < REALTIME_HI) + { + /* This block of TARGET_SIGNAL_REALTIME value is in order. */ + if (33 <= hostsig && hostsig <= 63) + return (enum target_signal) + (hostsig - 33 + (int) TARGET_SIGNAL_REALTIME_33); + else if (hostsig == 32) + return TARGET_SIGNAL_REALTIME_32; + else if (64 <= hostsig && hostsig <= 127) + return (enum target_signal) + (hostsig - 64 + (int) TARGET_SIGNAL_REALTIME_64); + else + error ("GDB bug: target.c (target_signal_from_host): unrecognized real-time signal"); + } +#endif + + return TARGET_SIGNAL_UNKNOWN; +} + +/* Convert a OURSIG (an enum target_signal) to the form used by the + target operating system (refered to as the ``host'') or zero if the + equivalent host signal is not available. Set/clear OURSIG_OK + accordingly. */ + +static int +do_target_signal_to_host (enum target_signal oursig, + int *oursig_ok) +{ + int retsig; + /* Silence the 'not used' warning, for targets that + do not support signals. */ + (void) retsig; + + *oursig_ok = 1; + switch (oursig) + { + case TARGET_SIGNAL_0: + return 0; + +#if defined (SIGHUP) + case TARGET_SIGNAL_HUP: + return SIGHUP; +#endif +#if defined (SIGINT) + case TARGET_SIGNAL_INT: + return SIGINT; +#endif +#if defined (SIGQUIT) + case TARGET_SIGNAL_QUIT: + return SIGQUIT; +#endif +#if defined (SIGILL) + case TARGET_SIGNAL_ILL: + return SIGILL; +#endif +#if defined (SIGTRAP) + case TARGET_SIGNAL_TRAP: + return SIGTRAP; +#endif +#if defined (SIGABRT) + case TARGET_SIGNAL_ABRT: + return SIGABRT; +#endif +#if defined (SIGEMT) + case TARGET_SIGNAL_EMT: + return SIGEMT; +#endif +#if defined (SIGFPE) + case TARGET_SIGNAL_FPE: + return SIGFPE; +#endif +#if defined (SIGKILL) + case TARGET_SIGNAL_KILL: + return SIGKILL; +#endif +#if defined (SIGBUS) + case TARGET_SIGNAL_BUS: + return SIGBUS; +#endif +#if defined (SIGSEGV) + case TARGET_SIGNAL_SEGV: + return SIGSEGV; +#endif +#if defined (SIGSYS) + case TARGET_SIGNAL_SYS: + return SIGSYS; +#endif +#if defined (SIGPIPE) + case TARGET_SIGNAL_PIPE: + return SIGPIPE; +#endif +#if defined (SIGALRM) + case TARGET_SIGNAL_ALRM: + return SIGALRM; +#endif +#if defined (SIGTERM) + case TARGET_SIGNAL_TERM: + return SIGTERM; +#endif +#if defined (SIGUSR1) + case TARGET_SIGNAL_USR1: + return SIGUSR1; +#endif +#if defined (SIGUSR2) + case TARGET_SIGNAL_USR2: + return SIGUSR2; +#endif +#if defined (SIGCHLD) || defined (SIGCLD) + case TARGET_SIGNAL_CHLD: +#if defined (SIGCHLD) + return SIGCHLD; +#else + return SIGCLD; +#endif +#endif /* SIGCLD or SIGCHLD */ +#if defined (SIGPWR) + case TARGET_SIGNAL_PWR: + return SIGPWR; +#endif +#if defined (SIGWINCH) + case TARGET_SIGNAL_WINCH: + return SIGWINCH; +#endif +#if defined (SIGURG) + case TARGET_SIGNAL_URG: + return SIGURG; +#endif +#if defined (SIGIO) + case TARGET_SIGNAL_IO: + return SIGIO; +#endif +#if defined (SIGPOLL) + case TARGET_SIGNAL_POLL: + return SIGPOLL; +#endif +#if defined (SIGSTOP) + case TARGET_SIGNAL_STOP: + return SIGSTOP; +#endif +#if defined (SIGTSTP) + case TARGET_SIGNAL_TSTP: + return SIGTSTP; +#endif +#if defined (SIGCONT) + case TARGET_SIGNAL_CONT: + return SIGCONT; +#endif +#if defined (SIGTTIN) + case TARGET_SIGNAL_TTIN: + return SIGTTIN; +#endif +#if defined (SIGTTOU) + case TARGET_SIGNAL_TTOU: + return SIGTTOU; +#endif +#if defined (SIGVTALRM) + case TARGET_SIGNAL_VTALRM: + return SIGVTALRM; +#endif +#if defined (SIGPROF) + case TARGET_SIGNAL_PROF: + return SIGPROF; +#endif +#if defined (SIGXCPU) + case TARGET_SIGNAL_XCPU: + return SIGXCPU; +#endif +#if defined (SIGXFSZ) + case TARGET_SIGNAL_XFSZ: + return SIGXFSZ; +#endif +#if defined (SIGWIND) + case TARGET_SIGNAL_WIND: + return SIGWIND; +#endif +#if defined (SIGPHONE) + case TARGET_SIGNAL_PHONE: + return SIGPHONE; +#endif +#if defined (SIGLOST) + case TARGET_SIGNAL_LOST: + return SIGLOST; +#endif +#if defined (SIGWAITING) + case TARGET_SIGNAL_WAITING: + return SIGWAITING; +#endif +#if defined (SIGCANCEL) + case TARGET_SIGNAL_CANCEL: + return SIGCANCEL; +#endif +#if defined (SIGLWP) + case TARGET_SIGNAL_LWP: + return SIGLWP; +#endif +#if defined (SIGDANGER) + case TARGET_SIGNAL_DANGER: + return SIGDANGER; +#endif +#if defined (SIGGRANT) + case TARGET_SIGNAL_GRANT: + return SIGGRANT; +#endif +#if defined (SIGRETRACT) + case TARGET_SIGNAL_RETRACT: + return SIGRETRACT; +#endif +#if defined (SIGMSG) + case TARGET_SIGNAL_MSG: + return SIGMSG; +#endif +#if defined (SIGSOUND) + case TARGET_SIGNAL_SOUND: + return SIGSOUND; +#endif +#if defined (SIGSAK) + case TARGET_SIGNAL_SAK: + return SIGSAK; +#endif +#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 + +#if defined (SIGINFO) + case TARGET_SIGNAL_INFO: + return SIGINFO; +#endif + + default: +#if defined (REALTIME_LO) + retsig = 0; + + if (oursig >= TARGET_SIGNAL_REALTIME_33 + && oursig <= TARGET_SIGNAL_REALTIME_63) + { + /* This block of signals is continuous, and + TARGET_SIGNAL_REALTIME_33 is 33 by definition. */ + retsig = (int) oursig - (int) TARGET_SIGNAL_REALTIME_33 + 33; + } + else if (oursig == TARGET_SIGNAL_REALTIME_32) + { + /* TARGET_SIGNAL_REALTIME_32 isn't contiguous with + TARGET_SIGNAL_REALTIME_33. It is 32 by definition. */ + retsig = 32; + } + else if (oursig >= TARGET_SIGNAL_REALTIME_64 + && oursig <= TARGET_SIGNAL_REALTIME_127) + { + /* This block of signals is continuous, and + TARGET_SIGNAL_REALTIME_64 is 64 by definition. */ + retsig = (int) oursig - (int) TARGET_SIGNAL_REALTIME_64 + 64; + } + + if (retsig >= REALTIME_LO && retsig < REALTIME_HI) + return retsig; +#endif + + *oursig_ok = 0; + return 0; + } +} + +int +target_signal_to_host_p (enum target_signal oursig) +{ + int oursig_ok; + do_target_signal_to_host (oursig, &oursig_ok); + return oursig_ok; +} + +int +target_signal_to_host (enum target_signal oursig) +{ + int oursig_ok; + int targ_signo = do_target_signal_to_host (oursig, &oursig_ok); + if (!oursig_ok) + { + /* The user might be trying to do "signal SIGSAK" where this system + doesn't have SIGSAK. */ + warning ("Signal %s does not exist on this system.\n", + target_signal_to_name (oursig)); + return 0; + } + else + return targ_signo; +} + +#ifndef GDBSERVER + +/* In some circumstances we allow a command to specify a numeric + signal. The idea is to keep these circumstances limited so that + users (and scripts) develop portable habits. For comparison, + POSIX.2 `kill' requires that 1,2,3,6,9,14, and 15 work (and using a + numeric signal at all is obsolescent. We are slightly more + lenient and allow 1-15 which should match host signal numbers on + most systems. Use of symbolic signal names is strongly encouraged. */ + +enum target_signal +target_signal_from_command (int num) +{ + if (num >= 1 && num <= 15) + return (enum target_signal) num; + error ("Only signals 1-15 are valid as numeric signals.\n\ +Use \"info signals\" for a list of symbolic signals."); +} + +extern initialize_file_ftype _initialize_signals; /* -Wmissing-prototype */ + +void +_initialize_signals (void) +{ + if (strcmp (signals[TARGET_SIGNAL_LAST].string, "TARGET_SIGNAL_MAGIC") != 0) + internal_error (__FILE__, __LINE__, "failed internal consistency check"); +} + +int +default_target_signal_to_host (struct gdbarch *gdbarch, enum target_signal ts) +{ + return target_signal_to_host (ts); +} + +enum target_signal +default_target_signal_from_host (struct gdbarch *gdbarch, int signo) +{ + return target_signal_from_host (signo); +} + +#endif /* ! GDBSERVER */ |