diff options
| -rw-r--r-- | gdb/ChangeLog | 8 | ||||
| -rw-r--r-- | gdb/NEWS | 2 | ||||
| -rw-r--r-- | gdb/config/i386/tm-go32.h | 16 |
3 files changed, 26 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 9bda34e..0c59dbe 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,11 @@ +2001-07-29 Eli Zaretskii <eliz@is.elta.co.il> + + Support for stepping through longjmp in DJGPP programs: + + * config/i386/tm-go32.h (JB_ELEMENT_SIZE, JB_PC): New macros. + (GET_LONGJMP_TARGET): Define to call get_longjmp_target. + (get_longjmp_target): Add prototype. + 2001-07-28 Andrew Cagney <ac131313@redhat.com> Fix some PID/TPID fallout for HP/UX. @@ -165,6 +165,8 @@ which is part of the DJGPP development kit). DWARF2 debug info is now supported. +It is now possible to `step' and `next' through calls to `longjmp'. + * Changes in documentation. All GDB documentation was converted to GFDL, the GNU Free 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 */ |