2000-03-08 Mark Kettenis <kettenis@gnu.org>

	* i386-tdep.c (i386_linux_saved_pc_after_call): New function.
	* config/i386/tm-linux.h (SAVED_PC_AFTER_CALL): Define to call
	i386_linux_saved_pc_after_call.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 75e29b18351c104dede34f37af3845fbb6906fac..71b307de1bdac3a3f652e0fc14a82f2b50e1b14b 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2000-03-08  Mark Kettenis  <kettenis@gnu.org>
+
+       * i386-tdep.c (i386_linux_saved_pc_after_call): New function.
+       * config/i386/tm-linux.h (SAVED_PC_AFTER_CALL): Define to call
+       i386_linux_saved_pc_after_call.
+
 2000-03-06  Jim Blandy  <jimb@redhat.com>
 
        From Tom Tromey <tromey@cygnus.com> and Keith Seitz <?>:

diff --git a/gdb/config/i386/tm-linux.h b/gdb/config/i386/tm-linux.h
index 391d5c08aad7d869cad0b5afb23a82afbc6135d4..3c557f04fc60fbe554bbed7e18af715573a8ce9c 100644 (file)
--- a/gdb/config/i386/tm-linux.h
+++ b/gdb/config/i386/tm-linux.h
@@ -154,6 +154,10 @@ extern CORE_ADDR i386_linux_sigtramp_saved_pc (struct frame_info *);
 
 extern CORE_ADDR i386_linux_sigtramp_saved_sp (struct frame_info *);
 
+#undef SAVED_PC_AFTER_CALL
+#define SAVED_PC_AFTER_CALL(frame) i386_linux_saved_pc_after_call (frame)
+extern CORE_ADDR i386_linux_saved_pc_after_call (struct frame_info *);
+
 /* When we call a function in a shared library, and the PLT sends us
    into the dynamic linker to find the function's real address, we
    need to skip over the dynamic linker call.  This function decides

diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c
index 10011f671b617e561ac4b78b75ef25b4b443694c..e940e2ff3c25d7d39ac7df60eebf531d72961951 100644 (file)
--- a/gdb/i386-tdep.c
+++ b/gdb/i386-tdep.c
@@ -1024,6 +1024,17 @@ i386_linux_sigtramp_saved_sp (struct frame_info *frame)
   return read_memory_integer (addr + LINUX_SIGCONTEXT_SP_OFFSET, 4);
 }
 
+/* Immediately after a function call, return the saved pc.  */
+
+CORE_ADDR
+i386_linux_saved_pc_after_call (struct frame_info *frame)
+{
+  if (frame->signal_handler_caller)
+    return i386_linux_sigtramp_saved_pc (frame);
+
+  return read_memory_integer (read_register (SP_REGNUM), 4);
+}
+
 #endif /* I386_LINUX_SIGTRAMP */
 
 #ifdef STATIC_TRANSFORM_NAME