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| author | Peter Schauer <Peter.Schauer@mytum.de> | 1994-04-08 00:36:08 +0000 |
|---|---|---|
| committer | Peter Schauer <Peter.Schauer@mytum.de> | 1994-04-08 00:36:08 +0000 |
| commit | a9617bd573d81d06293e1ce641b598956639f7c4 (patch) | |
| tree | 809b1de50444863e655f9376ba96e70f46d0e395 /gdb | |
| parent | 2fe3b329f69ca294a8ad3f1f655df7db33a6eb65 (diff) | |
| download | gdb-a9617bd573d81d06293e1ce641b598956639f7c4.zip gdb-a9617bd573d81d06293e1ce641b598956639f7c4.tar.gz gdb-a9617bd573d81d06293e1ce641b598956639f7c4.tar.bz2 | |
* 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.
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/config/tm-sunos.h | 11 | ||||
| -rw-r--r-- | gdb/config/tm-sysv4.h | 12 |
2 files changed, 20 insertions, 3 deletions
diff --git a/gdb/config/tm-sunos.h b/gdb/config/tm-sunos.h index 2559efc..1a1ee10 100644 --- 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 51c65e9..58ae568 100644 --- 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 |