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This patch isn't needed with gdb-5.3.

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This commit is contained in:
Mark Peek 2002-10-15 21:26:29 +00:00
parent 0fbb9b40dd
commit 0eb8d8a412
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=68123
3 changed files with 0 additions and 201 deletions
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67
devel/gdb53/files/patch-gdb_config_i386_tm-fbsd.h
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@ -1,67 +0,0 @@
--- gdb/config/i386/tm-fbsd.h Sat Jul 28 10:03:38 2001
+++ gdb/config/i386/tm-fbsd.h Fri Jun 7 08:32:14 2002
@@ -41,38 +45,42 @@
/* 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. */
-
#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. */

67
devel/gdb6/files/patch-gdb_config_i386_tm-fbsd.h
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@ -1,67 +0,0 @@
--- gdb/config/i386/tm-fbsd.h Sat Jul 28 10:03:38 2001
+++ gdb/config/i386/tm-fbsd.h Fri Jun 7 08:32:14 2002
@@ -41,38 +45,42 @@
/* 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. */
-
#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. */

67
devel/gdb66/files/patch-gdb_config_i386_tm-fbsd.h
View File

@ -1,67 +0,0 @@
--- gdb/config/i386/tm-fbsd.h Sat Jul 28 10:03:38 2001
+++ gdb/config/i386/tm-fbsd.h Fri Jun 7 08:32:14 2002
@@ -41,38 +45,42 @@
/* 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. */
-
#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. */