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authorRichard Earnshaw <richard.earnshaw@arm.com>2002-02-18 13:35:31 +0000
committerRichard Earnshaw <richard.earnshaw@arm.com>2002-02-18 13:35:31 +0000
commit8db11bb6fa35920ef8547162d7d8fac8c9b0d65c (patch)
tree7216fa2f51357e46f1159366e62a2a7d63632ad9 /gdb/gdbarch.h
parentc33f5d0e2add5a7c65178843f1b05164fa211f7c (diff)
downloadgdb-8db11bb6fa35920ef8547162d7d8fac8c9b0d65c.tar.gz
* gdbarch.sh (GET_LONGJMP_TARGET): Add rule.
* gdbarch.c gdbarch.h: Regenerate. * breakpoint.c (create_longjmp_breakpoint): Always compile this function. (breakpoint_reset): Test GET_LONGJMP_TARGET_P(). * infrun.c (GET_LONGJMP_TARGET): Delete default definition. (handle_inferior_event): Test GET_LONGJMP_TARGET_P(). * arm-tdep.h (struct gdbarch_tdep): Add jb_pc and jb_elt_size fields. * arm-tdep.c (arm_get_longjmp_target): New function. (arm_gdbarch_init): Initialize jb_pc to -1. If ABI handler changes this to a positive value register arm_get_longjmp_target as the longjmp handler. * arm-linux-tdep.c (arm_get_longjmp_target): Delete. (arm_linux_init_abi): Set up longjmp description in tdep. * armnbsd-nat.c (get_longjmp_target): Delete. * armnbsd-tdep.c (arm_netbsd_init_abi_common): Set up longjmp description in tdep. * config/arm/tm-nbsd.h (JB_ELEMENT_SIZE, JB_PC): Delete. (get_longjmp_target): Delete declaration. (GET_LONGJMP_TARGET): Delete. * config/arm/tm-linux.h (arm_get_longjmp_target): Delete declaration. (GET_LONGJMP_TARGET): Delete.
Diffstat (limited to 'gdb/gdbarch.h')
-rw-r--r--gdb/gdbarch.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h
index da5156cbf41..2dba00f3ee1 100644
--- a/gdb/gdbarch.h
+++ b/gdb/gdbarch.h
@@ -883,6 +883,45 @@ extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_
#endif
#endif
+/* setjmp/longjmp support. */
+
+#if defined (GET_LONGJMP_TARGET)
+/* Legacy for systems yet to multi-arch GET_LONGJMP_TARGET */
+#if !defined (GET_LONGJMP_TARGET_P)
+#define GET_LONGJMP_TARGET_P() (1)
+#endif
+#endif
+
+/* Default predicate for non- multi-arch targets. */
+#if (!GDB_MULTI_ARCH) && !defined (GET_LONGJMP_TARGET_P)
+#define GET_LONGJMP_TARGET_P() (0)
+#endif
+
+extern int gdbarch_get_longjmp_target_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (GET_LONGJMP_TARGET_P)
+#error "Non multi-arch definition of GET_LONGJMP_TARGET"
+#endif
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (GET_LONGJMP_TARGET_P)
+#define GET_LONGJMP_TARGET_P() (gdbarch_get_longjmp_target_p (current_gdbarch))
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (GET_LONGJMP_TARGET)
+#define GET_LONGJMP_TARGET(pc) (internal_error (__FILE__, __LINE__, "GET_LONGJMP_TARGET"), 0)
+#endif
+
+typedef int (gdbarch_get_longjmp_target_ftype) (CORE_ADDR *pc);
+extern int gdbarch_get_longjmp_target (struct gdbarch *gdbarch, CORE_ADDR *pc);
+extern void set_gdbarch_get_longjmp_target (struct gdbarch *gdbarch, gdbarch_get_longjmp_target_ftype *get_longjmp_target);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (GET_LONGJMP_TARGET)
+#error "Non multi-arch definition of GET_LONGJMP_TARGET"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (GET_LONGJMP_TARGET)
+#define GET_LONGJMP_TARGET(pc) (gdbarch_get_longjmp_target (current_gdbarch, pc))
+#endif
+#endif
+
/* Non multi-arch DUMMY_FRAMES are a mess (multi-arch ones are not that
much better but at least they are vaguely consistent). The headers
and body contain convoluted #if/#else sequences for determine how