diff options
Diffstat (limited to 'gcc/opts.c')
| -rw-r--r-- | gcc/opts.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/opts.c b/gcc/opts.c index 8dd8b8265fd..7d582297eb6 100644 --- a/gcc/opts.c +++ b/gcc/opts.c @@ -26,6 +26,7 @@ along with GCC; see the file COPYING3. If not see #include "tm.h" #include "tree.h" #include "rtl.h" +#include "expr.h" #include "ggc.h" #include "output.h" #include "langhooks.h" @@ -1900,6 +1901,37 @@ common_handle_option (size_t scode, const char *arg, int value, flag_sched_stalled_insns_dep = value; break; + case OPT_fstack_check_: + if (!strcmp (arg, "no")) + flag_stack_check = NO_STACK_CHECK; + else if (!strcmp (arg, "generic")) + /* This is the old stack checking method. */ + flag_stack_check = STACK_CHECK_BUILTIN + ? FULL_BUILTIN_STACK_CHECK + : GENERIC_STACK_CHECK; + else if (!strcmp (arg, "specific")) + /* This is the new stack checking method. */ + flag_stack_check = STACK_CHECK_BUILTIN + ? FULL_BUILTIN_STACK_CHECK + : STACK_CHECK_STATIC_BUILTIN + ? STATIC_BUILTIN_STACK_CHECK + : GENERIC_STACK_CHECK; + else + warning (0, "unknown stack check parameter \"%s\"", arg); + break; + + case OPT_fstack_check: + /* This is the same as the "specific" mode above. */ + if (value) + flag_stack_check = STACK_CHECK_BUILTIN + ? FULL_BUILTIN_STACK_CHECK + : STACK_CHECK_STATIC_BUILTIN + ? STATIC_BUILTIN_STACK_CHECK + : GENERIC_STACK_CHECK; + else + flag_stack_check = NO_STACK_CHECK; + break; + case OPT_fstack_limit: /* The real switch is -fno-stack-limit. */ if (value) |