diff options
Diffstat (limited to 'gdb/sparc-linux-tdep.c')
| -rw-r--r-- | gdb/sparc-linux-tdep.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/gdb/sparc-linux-tdep.c b/gdb/sparc-linux-tdep.c index 02c4137..75d40a6 100644 --- a/gdb/sparc-linux-tdep.c +++ b/gdb/sparc-linux-tdep.c @@ -90,6 +90,31 @@ static const struct tramp_frame sparc32_linux_rt_sigframe = sparc32_linux_sigframe_init }; +/* This enum represents the signals' numbers on the SPARC + architecture. It just contains the signal definitions which are + different from the generic implementation. + + It is derived from the file <arch/sparc/include/uapi/asm/signal.h>, + from the Linux kernel tree. */ + +enum + { + SPARC_LINUX_SIGEMT = 7, + SPARC_LINUX_SIGBUS = 10, + SPARC_LINUX_SIGSYS = 12, + SPARC_LINUX_SIGURG = 16, + SPARC_LINUX_SIGSTOP = 17, + SPARC_LINUX_SIGTSTP = 18, + SPARC_LINUX_SIGCONT = 19, + SPARC_LINUX_SIGCHLD = 20, + SPARC_LINUX_SIGIO = 23, + SPARC_LINUX_SIGPOLL = SPARC_LINUX_SIGIO, + SPARC_LINUX_SIGLOST = 29, + SPARC_LINUX_SIGPWR = SPARC_LINUX_SIGLOST, + SPARC_LINUX_SIGUSR1 = 30, + SPARC_LINUX_SIGUSR2 = 31, + }; + static void sparc32_linux_sigframe_init (const struct tramp_frame *self, struct frame_info *this_frame, @@ -268,6 +293,114 @@ sparc32_linux_get_syscall_number (struct gdbarch *gdbarch, return ret; } +/* Implementation of `gdbarch_gdb_signal_from_target', as defined in + gdbarch.h. */ + +static enum gdb_signal +sparc32_linux_gdb_signal_from_target (struct gdbarch *gdbarch, + int signal) +{ + switch (signal) + { + case SPARC_LINUX_SIGEMT: + return GDB_SIGNAL_EMT; + + case SPARC_LINUX_SIGBUS: + return GDB_SIGNAL_BUS; + + case SPARC_LINUX_SIGSYS: + return GDB_SIGNAL_SYS; + + case SPARC_LINUX_SIGURG: + return GDB_SIGNAL_URG; + + case SPARC_LINUX_SIGSTOP: + return GDB_SIGNAL_STOP; + + case SPARC_LINUX_SIGTSTP: + return GDB_SIGNAL_TSTP; + + case SPARC_LINUX_SIGCONT: + return GDB_SIGNAL_CONT; + + case SPARC_LINUX_SIGCHLD: + return GDB_SIGNAL_CHLD; + + /* No way to differentiate between SIGIO and SIGPOLL. + Therefore, we just handle the first one. */ + case SPARC_LINUX_SIGIO: + return GDB_SIGNAL_IO; + + /* No way to differentiate between SIGLOST and SIGPWR. + Therefore, we just handle the first one. */ + case SPARC_LINUX_SIGLOST: + return GDB_SIGNAL_LOST; + + case SPARC_LINUX_SIGUSR1: + return GDB_SIGNAL_USR1; + + case SPARC_LINUX_SIGUSR2: + return GDB_SIGNAL_USR2; + } + + return linux_gdb_signal_from_target (gdbarch, signal); +} + +/* Implementation of `gdbarch_gdb_signal_to_target', as defined in + gdbarch.h. */ + +static int +sparc32_linux_gdb_signal_to_target (struct gdbarch *gdbarch, + enum gdb_signal signal) +{ + switch (signal) + { + case GDB_SIGNAL_EMT: + return SPARC_LINUX_SIGEMT; + + case GDB_SIGNAL_BUS: + return SPARC_LINUX_SIGBUS; + + case GDB_SIGNAL_SYS: + return SPARC_LINUX_SIGSYS; + + case GDB_SIGNAL_URG: + return SPARC_LINUX_SIGURG; + + case GDB_SIGNAL_STOP: + return SPARC_LINUX_SIGSTOP; + + case GDB_SIGNAL_TSTP: + return SPARC_LINUX_SIGTSTP; + + case GDB_SIGNAL_CONT: + return SPARC_LINUX_SIGCONT; + + case GDB_SIGNAL_CHLD: + return SPARC_LINUX_SIGCHLD; + + case GDB_SIGNAL_IO: + return SPARC_LINUX_SIGIO; + + case GDB_SIGNAL_POLL: + return SPARC_LINUX_SIGPOLL; + + case GDB_SIGNAL_LOST: + return SPARC_LINUX_SIGLOST; + + case GDB_SIGNAL_PWR: + return SPARC_LINUX_SIGPWR; + + case GDB_SIGNAL_USR1: + return SPARC_LINUX_SIGUSR1; + + case GDB_SIGNAL_USR2: + return SPARC_LINUX_SIGUSR2; + } + + return linux_gdb_signal_to_target (gdbarch, signal); +} + static void @@ -313,6 +446,11 @@ sparc32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) set_xml_syscall_file_name (XML_SYSCALL_FILENAME_SPARC32); set_gdbarch_get_syscall_number (gdbarch, sparc32_linux_get_syscall_number); + + set_gdbarch_gdb_signal_from_target (gdbarch, + sparc32_linux_gdb_signal_from_target); + set_gdbarch_gdb_signal_to_target (gdbarch, + sparc32_linux_gdb_signal_to_target); } /* Provide a prototype to silence -Wmissing-prototypes. */ |