sim: callback: generate signal map

We've been generating the syscall/errno/open maps, but not the signal
map, even though we've been including them in the source constants.

3 files changed, 36 insertions, 0 deletions

diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog
index 5545771..5ce1a66 100644
--- a/sim/common/ChangeLog
+++ b/sim/common/ChangeLog
@@ -1,5 +1,14 @@
 2021-06-22  Mike Frysinger  <vapier@gentoo.org>
 
+	* callback.c: Include signal.h.
+	(cb_init_signal_map): New prototype.
+	(os_init): Assign signal_map.
+	* gentmap.c (signal_tdefs): New array.
+	(gen_targ_vals_h): Output signal_tdefs.
+	(gen_targ_map_c): Likewise.
+
+2021-06-22  Mike Frysinger  <vapier@gentoo.org>
+
 	* callback.c (os_getpid): New function.
 	(default_callback): Add os_getpid.
 	* syscall.c (cb_syscall): Change getpid to cb->getpid.
diff --git a/sim/common/callback.c b/sim/common/callback.c
index 071e7b1..aca0112 100644
--- a/sim/common/callback.c
+++ b/sim/common/callback.c
@@ -32,6 +32,7 @@
 #include <limits.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <signal.h>
 #include <time.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -56,6 +57,7 @@ void sim_cb_eprintf (host_callback *, const char *, ...);
 
 extern CB_TARGET_DEFS_MAP cb_init_syscall_map[];
 extern CB_TARGET_DEFS_MAP cb_init_errno_map[];
+extern CB_TARGET_DEFS_MAP cb_init_signal_map[];
 extern CB_TARGET_DEFS_MAP cb_init_open_map[];
 
 /* Make sure the FD provided is ok.  If not, return non-zero
@@ -676,6 +678,7 @@ os_init (host_callback *p)
 
   p->syscall_map = cb_init_syscall_map;
   p->errno_map = cb_init_errno_map;
+  p->signal_map = cb_init_signal_map;
   p->open_map = cb_init_open_map;
 
   return 1;
diff --git a/sim/common/gentmap.c b/sim/common/gentmap.c
index 254ec3f..f1f1bc2 100644
--- a/sim/common/gentmap.c
+++ b/sim/common/gentmap.c
@@ -23,6 +23,13 @@ static struct tdefs errno_tdefs[] =  {
   { 0, 0 }
 };
 
+static struct tdefs signal_tdefs[] = {
+#define signal_defs
+#include "nltvals.def"
+#undef signal_defs
+  { 0, 0 }
+};
+
 static struct tdefs open_tdefs[] = {
 #define open_defs
 #include "nltvals.def"
@@ -51,6 +58,11 @@ gen_targ_vals_h (void)
     printf ("#define TARGET_%s %d\n", t->symbol, t->value);
   printf ("\n");
 
+  printf ("/* signal values */\n");
+  for (t = &signal_tdefs[0]; t->symbol; ++t)
+    printf ("#define TARGET_%s %d\n", t->symbol, t->value);
+  printf ("\n");
+
   printf ("/* open flag values */\n");
   for (t = &open_tdefs[0]; t->symbol; ++t)
     printf ("#define TARGET_%s 0x%x\n", t->symbol, t->value);
@@ -70,6 +82,7 @@ gen_targ_map_c (void)
   printf ("#include \"defs.h\"\n");
   printf ("#include <errno.h>\n");
   printf ("#include <fcntl.h>\n");
+  printf ("#include <signal.h>\n");
   printf ("#include \"ansidecl.h\"\n");
   printf ("#include \"sim/callback.h\"\n");
   printf ("#include \"targ-vals.h\"\n");
@@ -98,6 +111,17 @@ gen_targ_map_c (void)
   printf ("  { 0, 0, 0 }\n");
   printf ("};\n\n");
 
+  printf ("/* signals mapping table */\n");
+  printf ("CB_TARGET_DEFS_MAP cb_init_signal_map[] = {\n");
+  for (t = &signal_tdefs[0]; t->symbol; ++t)
+    {
+      printf ("#ifdef %s\n", t->symbol);
+      printf ("  { \"%s\", %s, TARGET_%s },\n", t->symbol, t->symbol, t->symbol);
+      printf ("#endif\n");
+    }
+  printf ("  { 0, -1, -1 }\n");
+  printf ("};\n\n");
+
   printf ("/* open flags mapping table */\n");
   printf ("CB_TARGET_DEFS_MAP cb_init_open_map[] = {\n");
   for (t = &open_tdefs[0]; t->symbol; ++t)