diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 7 | ||||
| -rw-r--r-- | gdb/libunwind-frame.c | 24 |
2 files changed, 28 insertions, 3 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index cb9ebaf..2da944d 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,10 @@ +2012-03-05 Jan Kratochvil <jan.kratochvil@redhat.com> + + * libunwind-frame.c (LIBUNWIND_SO): Change .7 to .8. + [!LIBUNWIND_SO] (LIBUNWIND_SO_7): New #define. + (libunwind_load): New variable so_error, use it for dlerror. Try to + load also LIBUNWIND_SO_7. + 2012-03-05 Pedro Alves <palves@redhat.com> * i387-tdep.c (i387_supply_xsave): Assert the xsave section buffer diff --git a/gdb/libunwind-frame.c b/gdb/libunwind-frame.c index babdecc..1421d92 100644 --- a/gdb/libunwind-frame.c +++ b/gdb/libunwind-frame.c @@ -95,7 +95,11 @@ struct libunwind_frame_cache #ifndef LIBUNWIND_SO /* Use the stable ABI major version number. `libunwind-ia64.so' is a link time only library, not a runtime one. */ -#define LIBUNWIND_SO "libunwind-" STRINGIFY(UNW_TARGET) ".so.7" +#define LIBUNWIND_SO "libunwind-" STRINGIFY(UNW_TARGET) ".so.8" + +/* Provide also compatibility with older .so. The two APIs are compatible, .8 + is only extended a bit, GDB does not use the extended API at all. */ +#define LIBUNWIND_SO_7 "libunwind-" STRINGIFY(UNW_TARGET) ".so.7" #endif static char *get_reg_name = STRINGIFY(UNW_OBJ(get_reg)); @@ -491,14 +495,28 @@ static int libunwind_load (void) { void *handle; + char *so_error = NULL; handle = dlopen (LIBUNWIND_SO, RTLD_NOW); if (handle == NULL) { + so_error = xstrdup (dlerror ()); +#ifdef LIBUNWIND_SO_7 + handle = dlopen (LIBUNWIND_SO_7, RTLD_NOW); +#endif /* LIBUNWIND_SO_7 */ + } + if (handle == NULL) + { fprintf_unfiltered (gdb_stderr, _("[GDB failed to load %s: %s]\n"), - LIBUNWIND_SO, dlerror ()); - return 0; + LIBUNWIND_SO, so_error); +#ifdef LIBUNWIND_SO_7 + fprintf_unfiltered (gdb_stderr, _("[GDB failed to load %s: %s]\n"), + LIBUNWIND_SO_7, dlerror ()); +#endif /* LIBUNWIND_SO_7 */ } + xfree (so_error); + if (handle == NULL) + return 0; /* Initialize pointers to the dynamic library functions we will use. */ |