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c stack overflow checked for, once more

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* libguile/stackchk.h: Include private-options.h if we are building
  guile.

* libguile/vm.c (scm_c_vm_run): Check for C stack overflow before
  entering the engine.
This commit is contained in:
Andy Wingo 2010-10-01 16:47:39 +02:00
parent 138bf22d82
commit b95d76fcf2
2 changed files with 2 additions and 0 deletions
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1
libguile/stackchk.h
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@ -35,6 +35,7 @@
#define SCM_STACK_CHECKING_P SCM_STACK_LIMIT #define SCM_STACK_CHECKING_P SCM_STACK_LIMIT
#if defined BUILDING_LIBGUILE && defined STACK_CHECKING #if defined BUILDING_LIBGUILE && defined STACK_CHECKING
#include "libguile/private-options.h"
# if SCM_STACK_GROWS_UP # if SCM_STACK_GROWS_UP
# define SCM_STACK_OVERFLOW_P(s)\ # define SCM_STACK_OVERFLOW_P(s)\
((SCM_STACK_PTR (s) - SCM_I_CURRENT_THREAD->base) > SCM_STACK_LIMIT) ((SCM_STACK_PTR (s) - SCM_I_CURRENT_THREAD->base) > SCM_STACK_LIMIT)

1
libguile/vm.c
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@ -560,6 +560,7 @@ SCM
scm_c_vm_run (SCM vm, SCM program, SCM *argv, int nargs) scm_c_vm_run (SCM vm, SCM program, SCM *argv, int nargs)
{ {
struct scm_vm *vp = SCM_VM_DATA (vm); struct scm_vm *vp = SCM_VM_DATA (vm);
SCM_CHECK_STACK;
return vm_engines[vp->engine](vm, program, argv, nargs); return vm_engines[vp->engine](vm, program, argv, nargs);
} }