* config/tm-sunos.h (IN_SOLIB_TRAMPOLINE, SKIP_TRAMPOLINE_CODE):

	Define to handle stepping into  -g compiled shared libraries.
	* config/tm-sysv4.h (SKIP_TRAMPOLINE_CODE):  Define to handle
	stepping into  -g compiled shared libraries.

diff --git a/gdb/config/tm-sunos.h b/gdb/config/tm-sunos.h
index 2559efc91231e5183090f441b4a1f596ba43266a..1a1ee10f27acbc075c563b5d216faac9a98b3113 100644 (file)
--- a/gdb/config/tm-sunos.h
+++ b/gdb/config/tm-sunos.h
@@ -1,6 +1,6 @@
 /* Target machine sub-description for SunOS version 4.
    This is included by other tm-*.h files to specify SunOS-specific stuff.
-   Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
+   Copyright 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
 
 This file is part of GDB.
 
@@ -19,3 +19,12 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #include "solib.h"     /* Support for shared libraries. */
+
+/* Return non-zero if we are in a shared library trampoline code stub. */
+
+#define IN_SOLIB_TRAMPOLINE(pc, name) lookup_solib_trampoline_symbol_by_pc (pc)
+
+/* If PC is in a shared library trampoline code, return the PC
+   where the function itself actually starts.  If not, return 0.  */
+
+#define SKIP_TRAMPOLINE_CODE(pc)  find_solib_trampoline_target (pc)

diff --git a/gdb/config/tm-sysv4.h b/gdb/config/tm-sysv4.h
index 51c65e9d637699b58543f74576cb09e1b7ba7787..58ae5682131dbfe5bf42fad798ada65682cab748 100644 (file)
--- a/gdb/config/tm-sysv4.h
+++ b/gdb/config/tm-sysv4.h
@@ -1,5 +1,5 @@
 /* Macro definitions for GDB on all SVR4 target systems.
-   Copyright 1991, 1992, 1993 Free Software Foundation, Inc.
+   Copyright 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
    Written by Fred Fish at Cygnus Support (fnf@cygnus.com).
 
 This file is part of GDB.
@@ -21,11 +21,19 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 /* For SVR4 shared libraries, each call to a library routine goes through
    a small piece of trampoline code in the ".plt" section.
    The horribly ugly wait_for_inferior() routine uses this macro to detect
-   when we have stepped into one of these fragments. */
+   when we have stepped into one of these fragments.
+   We do not use lookup_solib_trampoline_symbol_by_pc, because
+   we cannot always find the shared library trampoline symbols
+   (e.g. on Irix5).  */
 
 #define IN_SOLIB_TRAMPOLINE(pc, name) in_plt_section((pc), (name))
 extern int in_plt_section PARAMS ((CORE_ADDR, char *));
 
+/* If PC is in a shared library trampoline code, return the PC
+   where the function itself actually starts.  If not, return 0.  */
+
+#define SKIP_TRAMPOLINE_CODE(pc)  find_solib_trampoline_target (pc)
+
 /* It is unknown which, if any, SVR4 assemblers do not accept dollar signs
    in identifiers.  The default in G++ is to use dots instead, for all SVR4
    systems, so we make that our default also.  FIXME: There should be some