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cleanup: stop abuse of sym->r for inline functions

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This commit is contained in:
grischka 2009-06-29 20:14:53 +01:00 committed by unknown
parent 5e83b64dae
commit d0b432ab38
2 changed files with 30 additions and 27 deletions
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12
tcc.h
View File

@ -262,7 +262,6 @@ typedef struct {
#define FUNC_CALL(r) (((func_attr_t*)&(r))->func_call)
#define FUNC_EXPORT(r) (((func_attr_t*)&(r))->func_export)
#define FUNC_ARGS(r) (((func_attr_t*)&(r))->func_args)
#define INLINE_DEF(r) (*(int **)&(r))
/* -------------------------------------------------- */
#define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */
@ -331,6 +330,13 @@ typedef struct TokenString {
int last_line_num;
} TokenString;
/* inline functions */
typedef struct InlineFunc {
int *token_str;
Sym *sym;
char filename[1];
} InlineFunc;
/* include file cache, used to find files faster and also to eliminate
inclusion if the include file is protected by #ifndef ... #endif */
typedef struct CachedInclude {
@ -362,7 +368,6 @@ typedef struct ASMOperand {
int is_memory; /* true if memory operand */
int is_rw; /* for '+' modifier */
} ASMOperand;
#endif
struct TCCState {
@ -479,6 +484,9 @@ struct TCCState {
/* for tcc_relocate */
int runtime_added;
struct InlineFunc **inline_fns;
int nb_inline_fns;
#ifdef TCC_TARGET_X86_64
/* write PLT and GOT here */
char *runtime_plt_and_got;

45
tccgen.c
View File

@ -4914,21 +4914,22 @@ static void gen_function(Sym *sym)
static void gen_inline_functions(void)
{
Sym *sym;
CType *type;
int *str, inline_generated;
int *str, inline_generated, i;
struct InlineFunc *fn;
/* iterate while inline function are referenced */
for(;;) {
inline_generated = 0;
for(sym = global_stack; sym != NULL; sym = sym->prev) {
type = &sym->type;
if (((type->t & VT_BTYPE) == VT_FUNC) &&
(type->t & (VT_STATIC | VT_INLINE)) ==
(VT_STATIC | VT_INLINE) &&
sym->c != 0) {
for (i = 0; i < tcc_state->nb_inline_fns; ++i) {
fn = tcc_state->inline_fns[i];
sym = fn->sym;
if (sym && sym->c) {
/* the function was used: generate its code and
convert it to a normal function */
str = INLINE_DEF(sym->r);
str = fn->token_str;
fn->sym = NULL;
if (file)
strcpy(file->filename, fn->filename);
sym->r = VT_SYM | VT_CONST;
sym->type.t &= ~VT_INLINE;
@ -4945,21 +4946,7 @@ static void gen_inline_functions(void)
if (!inline_generated)
break;
}
/* free all remaining inline function tokens */
for(sym = global_stack; sym != NULL; sym = sym->prev) {
type = &sym->type;
if (((type->t & VT_BTYPE) == VT_FUNC) &&
(type->t & (VT_STATIC | VT_INLINE)) ==
(VT_STATIC | VT_INLINE)) {
//gr printf("sym %d %s\n", sym->r, get_tok_str(sym->v, NULL));
if (sym->r == (VT_SYM | VT_CONST)) //gr beware!
continue;
str = INLINE_DEF(sym->r);
tok_str_free(str);
sym->r = 0; /* fail safe */
}
}
dynarray_reset(&tcc_state->inline_fns, &tcc_state->nb_inline_fns);
}
/* 'l' is VT_LOCAL or VT_CONST to define default storage type */
@ -5070,6 +5057,8 @@ static void decl(int l)
(VT_INLINE | VT_STATIC)) {
TokenString func_str;
int block_level;
struct InlineFunc *fn;
const char *filename;
tok_str_new(&func_str);
@ -5091,7 +5080,13 @@ static void decl(int l)
}
tok_str_add(&func_str, -1);
tok_str_add(&func_str, 0);
INLINE_DEF(sym->r) = func_str.str;
filename = file ? file->filename : "";
fn = tcc_malloc(sizeof *fn + strlen(filename));
strcpy(fn->filename, filename);
fn->sym = sym;
fn->token_str = func_str.str;
dynarray_add((void ***)&tcc_state->inline_fns, &tcc_state->nb_inline_fns, fn);
} else {
/* compute text section */
cur_text_section = ad.section;