+/* Implementation of `gdbarch_gdb_signal_to_target', as defined in
+ gdbarch.h. */
+
+static int
+mips_gdb_signal_to_target (struct gdbarch *gdbarch,
+ enum gdb_signal signal)
+{
+ switch (signal)
+ {
+ case GDB_SIGNAL_EMT:
+ return MIPS_LINUX_SIGEMT;
+
+ case GDB_SIGNAL_BUS:
+ return MIPS_LINUX_SIGBUS;
+
+ case GDB_SIGNAL_SYS:
+ return MIPS_LINUX_SIGSYS;
+
+ case GDB_SIGNAL_USR1:
+ return MIPS_LINUX_SIGUSR1;
+
+ case GDB_SIGNAL_USR2:
+ return MIPS_LINUX_SIGUSR2;
+
+ case GDB_SIGNAL_CHLD:
+ return MIPS_LINUX_SIGCHLD;
+
+ case GDB_SIGNAL_PWR:
+ return MIPS_LINUX_SIGPWR;
+
+ case GDB_SIGNAL_WINCH:
+ return MIPS_LINUX_SIGWINCH;
+
+ case GDB_SIGNAL_URG:
+ return MIPS_LINUX_SIGURG;
+
+ case GDB_SIGNAL_IO:
+ return MIPS_LINUX_SIGIO;
+
+ case GDB_SIGNAL_POLL:
+ return MIPS_LINUX_SIGPOLL;
+
+ case GDB_SIGNAL_STOP:
+ return MIPS_LINUX_SIGSTOP;
+
+ case GDB_SIGNAL_TSTP:
+ return MIPS_LINUX_SIGTSTP;
+
+ case GDB_SIGNAL_CONT:
+ return MIPS_LINUX_SIGCONT;
+
+ case GDB_SIGNAL_TTIN:
+ return MIPS_LINUX_SIGTTIN;
+
+ case GDB_SIGNAL_TTOU:
+ return MIPS_LINUX_SIGTTOU;
+
+ case GDB_SIGNAL_VTALRM:
+ return MIPS_LINUX_SIGVTALRM;
+
+ case GDB_SIGNAL_PROF:
+ return MIPS_LINUX_SIGPROF;
+
+ case GDB_SIGNAL_XCPU:
+ return MIPS_LINUX_SIGXCPU;
+
+ case GDB_SIGNAL_XFSZ:
+ return MIPS_LINUX_SIGXFSZ;
+
+ /* GDB_SIGNAL_REALTIME_32 is not continuous in <gdb/signals.def>,
+ therefore we have to handle it here. */
+ case GDB_SIGNAL_REALTIME_32:
+ return MIPS_LINUX_SIGRTMIN;
+ }
+
+ if (signal >= GDB_SIGNAL_REALTIME_33
+ && signal <= GDB_SIGNAL_REALTIME_63)
+ {
+ int offset = signal - GDB_SIGNAL_REALTIME_33;
+
+ return MIPS_LINUX_SIGRTMIN + 1 + offset;
+ }
+ else if (signal >= GDB_SIGNAL_REALTIME_64
+ && signal <= GDB_SIGNAL_REALTIME_127)
+ {
+ int offset = signal - GDB_SIGNAL_REALTIME_64;
+
+ return MIPS_LINUX_SIGRT64 + offset;
+ }
+
+ return linux_gdb_signal_to_target (gdbarch, signal);
+}
+
+/* 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 signal)
+{
+ switch (signal)
+ {
+ case MIPS_LINUX_SIGEMT:
+ return GDB_SIGNAL_EMT;
+
+ case MIPS_LINUX_SIGBUS:
+ return GDB_SIGNAL_BUS;
+
+ case MIPS_LINUX_SIGSYS:
+ return GDB_SIGNAL_SYS;
+
+ case MIPS_LINUX_SIGUSR1:
+ return GDB_SIGNAL_USR1;
+
+ case MIPS_LINUX_SIGUSR2:
+ return GDB_SIGNAL_USR2;
+
+ case MIPS_LINUX_SIGCHLD:
+ return GDB_SIGNAL_CHLD;
+
+ case MIPS_LINUX_SIGPWR:
+ return GDB_SIGNAL_PWR;
+
+ case MIPS_LINUX_SIGWINCH:
+ return GDB_SIGNAL_WINCH;
+
+ case MIPS_LINUX_SIGURG:
+ return GDB_SIGNAL_URG;
+
+ /* No way to differentiate between SIGIO and SIGPOLL.
+ Therefore, we just handle the first one. */
+ case MIPS_LINUX_SIGIO:
+ return GDB_SIGNAL_IO;
+
+ case MIPS_LINUX_SIGSTOP:
+ return GDB_SIGNAL_STOP;
+
+ case MIPS_LINUX_SIGTSTP:
+ return GDB_SIGNAL_TSTP;
+
+ case MIPS_LINUX_SIGCONT:
+ return GDB_SIGNAL_CONT;
+
+ case MIPS_LINUX_SIGTTIN:
+ return GDB_SIGNAL_TTIN;
+
+ case MIPS_LINUX_SIGTTOU:
+ return GDB_SIGNAL_TTOU;
+
+ case MIPS_LINUX_SIGVTALRM:
+ return GDB_SIGNAL_VTALRM;
+
+ case MIPS_LINUX_SIGPROF:
+ return GDB_SIGNAL_PROF;
+
+ case MIPS_LINUX_SIGXCPU:
+ return GDB_SIGNAL_XCPU;
+
+ case MIPS_LINUX_SIGXFSZ:
+ return GDB_SIGNAL_XFSZ;
+ }
+
+ if (signal >= MIPS_LINUX_SIGRTMIN && signal <= MIPS_LINUX_SIGRTMAX)
+ {
+ /* GDB_SIGNAL_REALTIME values are not contiguous, map parts of
+ the MIPS block to the respective GDB_SIGNAL_REALTIME blocks. */
+ int offset = signal - MIPS_LINUX_SIGRTMIN;
+
+ if (offset == 0)
+ return GDB_SIGNAL_REALTIME_32;
+ else if (offset < 32)
+ return (enum gdb_signal) (offset - 1
+ + (int) GDB_SIGNAL_REALTIME_33);
+ else
+ return (enum gdb_signal) (offset - 32
+ + (int) GDB_SIGNAL_REALTIME_64);
+ }
+
+ return linux_gdb_signal_from_target (gdbarch, signal);
+}