Build unavailable-stack frames for tracepoint.

[deliverable/binutils-gdb.git] / gdb / proc-events.c

diff --git a/gdb/proc-events.c b/gdb/proc-events.c
index 31812a9360022223081d212f7f2c4791c48d5eb1..b291d317fe454b85d4486e4f7c8d542a72f9216b 100644 (file)
--- a/gdb/proc-events.c
+++ b/gdb/proc-events.c
@@ -1,6 +1,6 @@
 /* Machine-independent support for SVR4 /proc (process file system)
 
-   Copyright (C) 1999-2014 Free Software Foundation, Inc.
+   Copyright (C) 1999-2016 Free Software Foundation, Inc.
 
    Written by Michael Snyder at Cygnus Solutions.
    Based on work by Fred Fish, Stu Grossman, Geoff Noer, and others.
@@ -34,7 +34,6 @@
 #define _STRUCTURED_PROC 1
 #endif
 
-#include <stdio.h>
 #include <sys/types.h>
 #include <sys/procfs.h>
 #ifdef HAVE_SYS_SYSCALL_H
@@ -1396,47 +1395,47 @@ proc_prettyprint_syscalls (sysset_t *sysset, int verbose)
 \f
 /* Prettyprint signals.  */
 
-/* Signal translation table.  */
+/* Signal translation table, ordered ANSI-standard signals first,
+   other signals second, with signals in each block ordered by their
+   numerical values on a typical POSIX platform.  */
 
 static struct trans signal_table[] = 
 {
   { 0,      "<no signal>", "no signal" }, 
+
+  /* SIGINT, SIGILL, SIGABRT, SIGFPE, SIGSEGV and SIGTERM
+     are ANSI-standard signals and are always available.  */
+
+  { SIGINT, "SIGINT", "Interrupt (rubout)" },
+  { SIGILL, "SIGILL", "Illegal instruction" }, /* not reset when caught */
+  { SIGABRT, "SIGABRT", "used by abort()" },   /* replaces SIGIOT */
+  { SIGFPE, "SIGFPE", "Floating point exception" },
+  { SIGSEGV, "SIGSEGV", "Segmentation violation" },
+  { SIGTERM, "SIGTERM", "Software termination signal from kill" },
+
+  /* All other signals need preprocessor conditionals.  */
+
 #ifdef SIGHUP
   { SIGHUP, "SIGHUP", "Hangup" },
 #endif
-#ifdef SIGINT
-  { SIGINT, "SIGINT", "Interrupt (rubout)" },
-#endif
 #ifdef SIGQUIT
   { SIGQUIT, "SIGQUIT", "Quit (ASCII FS)" },
 #endif
-#ifdef SIGILL
-  { SIGILL, "SIGILL", "Illegal instruction" }, /* not reset when caught */
-#endif
 #ifdef SIGTRAP
   { SIGTRAP, "SIGTRAP", "Trace trap" },                /* not reset when caught */
 #endif
-#ifdef SIGABRT
-  { SIGABRT, "SIGABRT", "used by abort()" },   /* replaces SIGIOT */
-#endif
 #ifdef SIGIOT
   { SIGIOT, "SIGIOT", "IOT instruction" },
 #endif
 #ifdef SIGEMT
   { SIGEMT, "SIGEMT", "EMT instruction" },
 #endif
-#ifdef SIGFPE
-  { SIGFPE, "SIGFPE", "Floating point exception" },
-#endif
 #ifdef SIGKILL
   { SIGKILL, "SIGKILL", "Kill" },      /* Solaris: cannot be caught/ignored */
 #endif
 #ifdef SIGBUS
   { SIGBUS, "SIGBUS", "Bus error" },
 #endif
-#ifdef SIGSEGV
-  { SIGSEGV, "SIGSEGV", "Segmentation violation" },
-#endif
 #ifdef SIGSYS
   { SIGSYS, "SIGSYS", "Bad argument to system call" },
 #endif
@@ -1446,9 +1445,6 @@ static struct trans signal_table[] =
 #ifdef SIGALRM
   { SIGALRM, "SIGALRM", "Alarm clock" },
 #endif
-#ifdef SIGTERM
-  { SIGTERM, "SIGTERM", "Software termination signal from kill" },
-#endif
 #ifdef SIGUSR1
   { SIGUSR1, "SIGUSR1", "User defined signal 1" },
 #endif