diff options
Diffstat (limited to 'devel/gdb66/files/patch-gdb_config_i386_tm-fbsd.h')
| -rw-r--r-- | devel/gdb66/files/patch-gdb_config_i386_tm-fbsd.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/devel/gdb66/files/patch-gdb_config_i386_tm-fbsd.h b/devel/gdb66/files/patch-gdb_config_i386_tm-fbsd.h new file mode 100644 index 000000000000..3013085bb6f7 --- /dev/null +++ b/devel/gdb66/files/patch-gdb_config_i386_tm-fbsd.h @@ -0,0 +1,80 @@ +--- gdb/config/i386/tm-fbsd.h Sat Jul 28 10:03:38 2001 ++++ gdb/config/i386/tm-fbsd.h Mon Jun 3 10:08:22 2002 +@@ -24,6 +24,10 @@ + #define HAVE_I387_REGS + #include "i386/tm-i386.h" + ++#ifndef _SYS_PARAM_H_ ++#include <sys/param.h> ++#endif ++ + /* FreeBSD/ELF uses stabs-in-ELF with the DWARF register numbering + scheme by default, so we must redefine STAB_REG_TO_REGNUM. This + messes up the floating-point registers for a.out, but there is not +@@ -41,38 +45,44 @@ + /* 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 0 /* Array index of saved PC. */ +- +-/* Figure out where the longjmp will land. Store the address that +- longjmp will jump to in *ADDR, and return non-zero if successful. */ +- ++#undef NUM_REGS ++#define NUM_REGS 16 + #define GET_LONGJMP_TARGET(addr) get_longjmp_target (addr) +-extern int get_longjmp_target (CORE_ADDR *addr); + + +-/* Support for signal handlers. */ ++/* On FreeBSD, sigtramp has size 0x18 and is immediately below the ++ ps_strings struct which has size 0x10 and is at the top of the ++ user stack. */ ++ ++#undef SIGTRAMP_START ++#undef SIGTRAMP_END ++#define SIGTRAMP_START(pc) 0xbfbfdfd8 ++#define SIGTRAMP_END(pc) 0xbfbfdff0 + +-#define IN_SIGTRAMP(pc, name) i386bsd_in_sigtramp (pc, name) +-extern int i386bsd_in_sigtramp (CORE_ADDR pc, char *name); +- +-/* These defines allow the recognition of sigtramps as a function name +- <sigtramp>. +- +- FIXME: kettenis/2001-07-13: These should be added to the target +- vector and turned into functions when we go "multi-arch". */ +- +-#define SIGTRAMP_START(pc) i386bsd_sigtramp_start +-#define SIGTRAMP_END(pc) i386bsd_sigtramp_end + extern CORE_ADDR i386bsd_sigtramp_start; + extern CORE_ADDR i386bsd_sigtramp_end; ++extern CORE_ADDR fbsd_kern_frame_saved_pc(struct frame_info *fr); + + /* Override FRAME_SAVED_PC to enable the recognition of signal handlers. */ + + #undef FRAME_SAVED_PC +-#define FRAME_SAVED_PC(frame) i386bsd_frame_saved_pc (frame) +-extern CORE_ADDR i386bsd_frame_saved_pc (struct frame_info *frame); ++#if __FreeBSD_version >= 500032 ++#define FRAME_SAVED_PC(FRAME) \ ++ (kernel_debugging ? fbsd_kern_frame_saved_pc(FRAME) : \ ++ (((FRAME)->signal_handler_caller \ ++ ? sigtramp_saved_pc (FRAME) \ ++ : read_memory_integer ((FRAME)->frame + 4, 4)) \ ++ )) ++#else ++#define FRAME_SAVED_PC(FRAME) \ ++ (((FRAME)->signal_handler_caller \ ++ ? sigtramp_saved_pc (FRAME) \ ++ : read_memory_integer ((FRAME)->frame + 4, 4)) \ ++ ) ++#endif ++ ++/* Offset to saved PC in sigcontext, from <sys/signal.h>. */ ++#define SIGCONTEXT_PC_OFFSET 20 + + + /* Shared library support. */ |