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Diffstat (limited to 'gdb/config/i386/tm-go32.h')
-rw-r--r--gdb/config/i386/tm-go32.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/gdb/config/i386/tm-go32.h b/gdb/config/i386/tm-go32.h
index f416396..024f4fb 100644
--- a/gdb/config/i386/tm-go32.h
+++ b/gdb/config/i386/tm-go32.h
@@ -48,4 +48,20 @@
#undef FRAME_SAVED_PC
#define FRAME_SAVED_PC(FRAME) (read_memory_integer ((FRAME)->frame + 4, 4))
+/* Support for longjmp. */
+
+/* Details about jmp_buf. It's supposed to be an array of integers. */
+
+#define JB_ELEMENT_SIZE 4 /* Size of elements in jmp_buf. */
+#define JB_PC 8 /* Array index of saved PC inside jmp_buf. */
+
+/* Figure out where the longjmp will land. Slurp the args out of the
+ stack. We expect the first arg to be a pointer to the jmp_buf
+ structure from which we extract the pc (JB_PC) that we will land
+ at. The pc is copied into ADDR. This routine returns true on
+ success. */
+
+#define GET_LONGJMP_TARGET(addr) get_longjmp_target (addr)
+extern int get_longjmp_target (CORE_ADDR *addr);
+
#endif /* TM_GO32_H */