diff options
Diffstat (limited to 'gcc/ggc.h')
| -rw-r--r-- | gcc/ggc.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/gcc/ggc.h b/gcc/ggc.h index 8796fd1a830..1a5b4d886af 100644 --- a/gcc/ggc.h +++ b/gcc/ggc.h @@ -142,8 +142,15 @@ void *ggc_alloc_cleared PARAMS ((size_t)); #define ggc_alloc_tree(LENGTH) ((union tree_node *) ggc_alloc (LENGTH)) +/* Allocate a gc-able string. If CONTENTS is null, then the memory will + be uninitialized. If LENGTH is -1, then CONTENTS is assumed to be a + null-terminated string and the memory sized accordingly. Otherwise, + the memory is filled with LENGTH bytes from CONTENTS. */ char *ggc_alloc_string PARAMS ((const char *contents, int length)); +/* Make a copy of S, in GC-able memory. */ +#define ggc_strdup(S) ggc_alloc_string((S), -1) + /* Invoke the collector. This is really just a hint, but in the case of the simple collector, the only time it will happen. */ void ggc_collect PARAMS ((void)); @@ -161,10 +168,11 @@ int ggc_set_mark PARAMS ((const void *)); the lang_specific hooks in the tree. */ void lang_mark_tree PARAMS ((union tree_node *)); -/* The FALSE_LABEL_STACK, declared in except.h, has - language-dependent semantics. Each front-end should define this - function appropriately. */ -void lang_mark_false_label_stack PARAMS ((struct label_node *)); +/* The FALSE_LABEL_STACK, declared in except.h, has language-dependent + semantics. If a front-end needs to mark the false label stack, it + should set this pointer to a non-NULL value. Otherwise, no marking + will be done. */ +extern void (*lang_mark_false_label_stack) PARAMS ((struct label_node *)); /* Mark functions for various structs scattered about. */ |