From 46654a5bcc3430a7219b2a8430578b4a5473214c Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Sun, 4 May 2003 17:34:51 +0000 Subject: 2003-05-02 Andrew Cagney * sentinel-frame.c (sentinel_frame_prev_register): Replace REGISTER_BYTE with register_offset_hack. * regcache.c (init_regcache_descr): When REGISTER_BYTE_P, check that REGISTER_BYTE is consistent with the regcache. * gdbarch.sh (REGISTER_BYTE): Add a predicate. * gdbarch.h, gdbarch.c: Regenerate. --- gdb/gdbarch.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'gdb/gdbarch.h') diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h index f00cc34..7cbb19c 100644 --- a/gdb/gdbarch.h +++ b/gdb/gdbarch.h @@ -739,6 +739,32 @@ extern void set_gdbarch_register_bytes (struct gdbarch *gdbarch, int register_by #define REGISTER_BYTES (gdbarch_register_bytes (current_gdbarch)) #endif +/* NOTE: cagney/2002-05-02: This function with predicate has a valid + (callable) initial value. As a consequence, even when the predicate + is false, the corresponding function works. This simplifies the + migration process - old code, calling REGISTER_BYTE, doesn't need to + be modified. */ + +#if defined (REGISTER_BYTE) +/* Legacy for systems yet to multi-arch REGISTER_BYTE */ +#if !defined (REGISTER_BYTE_P) +#define REGISTER_BYTE_P() (1) +#endif +#endif + +/* Default predicate for non- multi-arch targets. */ +#if (!GDB_MULTI_ARCH) && !defined (REGISTER_BYTE_P) +#define REGISTER_BYTE_P() (0) +#endif + +extern int gdbarch_register_byte_p (struct gdbarch *gdbarch); +#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (REGISTER_BYTE_P) +#error "Non multi-arch definition of REGISTER_BYTE" +#endif +#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (REGISTER_BYTE_P) +#define REGISTER_BYTE_P() (gdbarch_register_byte_p (current_gdbarch)) +#endif + /* Default (function) for non- multi-arch platforms. */ #if (!GDB_MULTI_ARCH) && !defined (REGISTER_BYTE) #define REGISTER_BYTE(reg_nr) (generic_register_byte (reg_nr)) -- cgit v1.1