diff options
Diffstat (limited to 'gdb/gdbarch.h')
| -rw-r--r-- | gdb/gdbarch.h | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h index edb8adedcac..d973fa30eeb 100644 --- a/gdb/gdbarch.h +++ b/gdb/gdbarch.h @@ -1987,17 +1987,29 @@ extern void set_gdbarch_frame_chain (struct gdbarch *gdbarch, gdbarch_frame_chai #endif #endif -/* Define a default FRAME_CHAIN_VALID, in the form that is suitable for - most targets. If FRAME_CHAIN_VALID returns zero it means that the - given frame is the outermost one and has no caller. - - XXXX - both default and alternate frame_chain_valid functions are - deprecated. New code should use dummy frames and one of the generic - functions. */ +#if defined (FRAME_CHAIN_VALID) +/* Legacy for systems yet to multi-arch FRAME_CHAIN_VALID */ +#if !defined (FRAME_CHAIN_VALID_P) +#define FRAME_CHAIN_VALID_P() (1) +#endif +#endif + +/* Default predicate for non- multi-arch targets. */ +#if (!GDB_MULTI_ARCH) && !defined (FRAME_CHAIN_VALID_P) +#define FRAME_CHAIN_VALID_P() (0) +#endif + +extern int gdbarch_frame_chain_valid_p (struct gdbarch *gdbarch); +#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (FRAME_CHAIN_VALID_P) +#error "Non multi-arch definition of FRAME_CHAIN_VALID" +#endif +#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FRAME_CHAIN_VALID_P) +#define FRAME_CHAIN_VALID_P() (gdbarch_frame_chain_valid_p (current_gdbarch)) +#endif /* Default (function) for non- multi-arch platforms. */ #if (!GDB_MULTI_ARCH) && !defined (FRAME_CHAIN_VALID) -#define FRAME_CHAIN_VALID(chain, thisframe) (generic_func_frame_chain_valid (chain, thisframe)) +#define FRAME_CHAIN_VALID(chain, thisframe) (internal_error (__FILE__, __LINE__, "FRAME_CHAIN_VALID"), 0) #endif typedef int (gdbarch_frame_chain_valid_ftype) (CORE_ADDR chain, struct frame_info *thisframe); |