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* infrun.c (wait_for_inferior): Add support for dynamic function

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trampolines.  These are pieces of code between the caller and the
	callee that figure out the address of the callee's code at run
	time.  Upon entry, we can't figure out the callee's address, so we
	set a breakpoint within the trampoline where the address will be
	known, and continue the target.  Once we hit the breakpoint, we
	break at the callee's address and proceed as usual.
start-sanitize-gm
	* config/tm-magic.h:  Define DYNAMIC_TRAMPOLINE_NEXTPC.  Turn off
	IN_SOLIB_CALL_TRAMPOLINE and IN_SOLIB_RETURN_TRAMPOLINE.
end-sanitize-gm
This commit is contained in:
Stu Grossman 1995-11-20 22:40:34 +00:00
parent 520dd8d5d9
commit 78570d35b6
2 changed files with 17 additions and 1 deletions
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14
gdb/ChangeLog
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@ -1,3 +1,17 @@
Mon Nov 20 14:13:53 1995 Stu Grossman (grossman@cygnus.com)
* infrun.c (wait_for_inferior): Add support for dynamic function
trampolines. These are pieces of code between the caller and the
callee that figure out the address of the callee's code at run
time. Upon entry, we can't figure out the callee's address, so we
set a breakpoint within the trampoline where the address will be
known, and continue the target. Once we hit the breakpoint, we
break at the callee's address and proceed as usual.
start-sanitize-gm
* config/tm-magic.h: Define DYNAMIC_TRAMPOLINE_NEXTPC. Turn off
IN_SOLIB_CALL_TRAMPOLINE and IN_SOLIB_RETURN_TRAMPOLINE.
end-sanitize-gm
Mon Nov 20 11:12:34 1995 Fred Fish <fnf@cygnus.com> Mon Nov 20 11:12:34 1995 Fred Fish <fnf@cygnus.com>
* objfiles.c (allocate_objfile): Change warning message about mapped * objfiles.c (allocate_objfile): Change warning message about mapped

4
gdb/config/tm-magic.h
View file

@ -30,11 +30,13 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
entry point to the dispatcher exit site, or from the exit site to the entry point to the dispatcher exit site, or from the exit site to the
first instruction of the dispatched-to method. */ first instruction of the dispatched-to method. */
#define SKIP_TRAMPOLINE_CODE(pc) \ #define DYNAMIC_TRAMPOLINE_NEXTPC(pc) \
magic_skip_dispatcher(pc) magic_skip_dispatcher(pc)
#if 0
#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) \ #define IN_SOLIB_CALL_TRAMPOLINE(pc, name) \
magic_in_dispatcher(pc, name) magic_in_dispatcher(pc, name)
#define IN_SOLIB_RETURN_TRAMPOLINE(pc, name) \ #define IN_SOLIB_RETURN_TRAMPOLINE(pc, name) \
magic_in_dispatcher(pc, name) magic_in_dispatcher(pc, name)
#endif