diff options
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/mips-linux-tdep.c | 94 | ||||
| -rw-r--r-- | gdb/mips-linux-tdep.h | 42 |
3 files changed, 141 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 4690790ae16..b902a419a8f 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2012-06-11 Michael Eager <eager@eagercon.com> + + * mips-linux-tdep.c (mips_gdb_signal_from_target): New + * mips-linux-tdep.h (mips_signals): New + 2012-06-11 Tom Tromey <tromey@redhat.com> * infrun.c (handle_inferior_event) diff --git a/gdb/mips-linux-tdep.c b/gdb/mips-linux-tdep.c index c6512af7b1b..272e8d99aca 100644 --- a/gdb/mips-linux-tdep.c +++ b/gdb/mips-linux-tdep.c @@ -40,6 +40,7 @@ #include "glibc-tdep.h" #include "linux-tdep.h" #include "xml-syscall.h" +#include "gdb_signals.h" static struct target_so_ops mips_svr4_so_ops; @@ -1330,6 +1331,96 @@ mips_linux_get_syscall_number (struct gdbarch *gdbarch, return ret; } +/* Translate signals based on MIPS signal values. + Adapted from gdb/common/signals.c. */ + +static enum gdb_signal +mips_gdb_signal_from_target (struct gdbarch *gdbarch, int signo) +{ + switch (signo) + { + case 0: + return GDB_SIGNAL_0; + case MIPS_SIGHUP: + return GDB_SIGNAL_HUP; + case MIPS_SIGINT: + return GDB_SIGNAL_INT; + case MIPS_SIGQUIT: + return GDB_SIGNAL_QUIT; + case MIPS_SIGILL: + return GDB_SIGNAL_ILL; + case MIPS_SIGTRAP: + return GDB_SIGNAL_TRAP; + case MIPS_SIGABRT: + return GDB_SIGNAL_ABRT; + case MIPS_SIGEMT: + return GDB_SIGNAL_EMT; + case MIPS_SIGFPE: + return GDB_SIGNAL_FPE; + case MIPS_SIGKILL: + return GDB_SIGNAL_KILL; + case MIPS_SIGBUS: + return GDB_SIGNAL_BUS; + case MIPS_SIGSEGV: + return GDB_SIGNAL_SEGV; + case MIPS_SIGSYS: + return GDB_SIGNAL_SYS; + case MIPS_SIGPIPE: + return GDB_SIGNAL_PIPE; + case MIPS_SIGALRM: + return GDB_SIGNAL_ALRM; + case MIPS_SIGTERM: + return GDB_SIGNAL_TERM; + case MIPS_SIGUSR1: + return GDB_SIGNAL_USR1; + case MIPS_SIGUSR2: + return GDB_SIGNAL_USR2; + case MIPS_SIGCHLD: + return GDB_SIGNAL_CHLD; + case MIPS_SIGPWR: + return GDB_SIGNAL_PWR; + case MIPS_SIGWINCH: + return GDB_SIGNAL_WINCH; + case MIPS_SIGURG: + return GDB_SIGNAL_URG; + case MIPS_SIGPOLL: + return GDB_SIGNAL_POLL; + case MIPS_SIGSTOP: + return GDB_SIGNAL_STOP; + case MIPS_SIGTSTP: + return GDB_SIGNAL_TSTP; + case MIPS_SIGCONT: + return GDB_SIGNAL_CONT; + case MIPS_SIGTTIN: + return GDB_SIGNAL_TTIN; + case MIPS_SIGTTOU: + return GDB_SIGNAL_TTOU; + case MIPS_SIGVTALRM: + return GDB_SIGNAL_VTALRM; + case MIPS_SIGPROF: + return GDB_SIGNAL_PROF; + case MIPS_SIGXCPU: + return GDB_SIGNAL_XCPU; + case MIPS_SIGXFSZ: + return GDB_SIGNAL_XFSZ; + } + + if (signo >= MIPS_SIGRTMIN && signo <= MIPS_SIGRTMAX) + { + /* GDB_SIGNAL_REALTIME values are not contiguous, map parts of + the MIPS block to the respective GDB_SIGNAL_REALTIME blocks. */ + signo -= MIPS_SIGRTMIN; + if (signo == 0) + return GDB_SIGNAL_REALTIME_32; + else if (signo < 32) + return ((enum gdb_signal) (signo - 1 + (int) GDB_SIGNAL_REALTIME_33)); + else + return ((enum gdb_signal) (signo - 32 + (int) GDB_SIGNAL_REALTIME_64)); + } + + return GDB_SIGNAL_UNKNOWN; +} + /* Initialize one of the GNU/Linux OS ABIs. */ static void @@ -1414,6 +1505,9 @@ mips_linux_init_abi (struct gdbarch_info info, set_gdbarch_regset_from_core_section (gdbarch, mips_linux_regset_from_core_section); + set_gdbarch_gdb_signal_from_target (gdbarch, + mips_gdb_signal_from_target); + tdep->syscall_next_pc = mips_linux_syscall_next_pc; if (tdesc_data) diff --git a/gdb/mips-linux-tdep.h b/gdb/mips-linux-tdep.h index d9ee88286f8..0a1a161da26 100644 --- a/gdb/mips-linux-tdep.h +++ b/gdb/mips-linux-tdep.h @@ -105,3 +105,45 @@ enum { /* Return 1 if MIPS_RESTART_REGNUM is usable. */ int mips_linux_restart_reg_p (struct gdbarch *gdbarch); + +/* MIPS Signals -- adapted from linux/arch/mips/include/asm/signal.h. */ + +enum mips_signals + { + MIPS_SIGHUP = 1, /* Hangup (POSIX). */ + MIPS_SIGINT = 2, /* Interrupt (ANSI). */ + MIPS_SIGQUIT = 3, /* Quit (POSIX). */ + MIPS_SIGILL = 4, /* Illegal instruction (ANSI). */ + MIPS_SIGTRAP = 5, /* Trace trap (POSIX). */ + MIPS_SIGIOT = 6, /* IOT trap (4.2 BSD). */ + MIPS_SIGABRT = MIPS_SIGIOT, /* Abort (ANSI). */ + MIPS_SIGEMT = 7, + MIPS_SIGFPE = 8, /* Floating-point exception (ANSI). */ + MIPS_SIGKILL = 9, /* Kill, unblockable (POSIX). */ + MIPS_SIGBUS = 10, /* BUS error (4.2 BSD). */ + MIPS_SIGSEGV = 11, /* Segmentation violation (ANSI). */ + MIPS_SIGSYS = 12, + MIPS_SIGPIPE = 13, /* Broken pipe (POSIX). */ + MIPS_SIGALRM = 14, /* Alarm clock (POSIX). */ + MIPS_SIGTERM = 15, /* Termination (ANSI). */ + MIPS_SIGUSR1 = 16, /* User-defined signal 1 (POSIX). */ + MIPS_SIGUSR2 = 17, /* User-defined signal 2 (POSIX). */ + MIPS_SIGCHLD = 18, /* Child status has changed (POSIX). */ + MIPS_SIGCLD = MIPS_SIGCHLD, /* Same as SIGCHLD (System V). */ + MIPS_SIGPWR = 19, /* Power failure restart (System V). */ + MIPS_SIGWINCH = 20, /* Window size change (4.3 BSD, Sun). */ + MIPS_SIGURG = 21, /* Urgent condition on socket (4.2 BSD). */ + MIPS_SIGIO = 22, /* I/O now possible (4.2 BSD). */ + MIPS_SIGPOLL = MIPS_SIGIO, /* Pollable event occurred (System V). */ + MIPS_SIGSTOP = 23, /* Stop, unblockable (POSIX). */ + MIPS_SIGTSTP = 24, /* Keyboard stop (POSIX). */ + MIPS_SIGCONT = 25, /* Continue (POSIX). */ + MIPS_SIGTTIN = 26, /* Background read from tty (POSIX). */ + MIPS_SIGTTOU = 27, /* Background write to tty (POSIX). */ + MIPS_SIGVTALRM = 28, /* Virtual alarm clock (4.2 BSD). */ + MIPS_SIGPROF = 29, /* Profiling alarm clock (4.2 BSD). */ + MIPS_SIGXCPU = 30, /* CPU limit exceeded (4.2 BSD). */ + MIPS_SIGXFSZ = 31, /* File size limit exceeded (4.2 BSD). */ + MIPS_SIGRTMIN = 32, /* Minimum RT signal. */ + MIPS_SIGRTMAX = 128 - 1 /* Maximum RT signal. */ + }; 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