blob: 4e15c6ec6f299e13199d499ad65e088aa5e38a9c [file] [log] [blame]
/* APPLE LOCAL file CW asm blocks */
#ifndef CONFIG_ASM_H
#define CONFIG_ASM_H
#include "cpplib.h"
/* We use a small state machine to inform the lexer when to start
returning tokens marking the beginning of each asm line. */
enum iasm_states {
/* Normal code. */
iasm_none,
/* '{' of asm block seen, decls may appear. */
iasm_decls,
/* No more decls, in asm block proper, '}' not seen yet. */
iasm_asm
};
/* Nonzero means that CodeWarrior-style inline assembler is to be parsed. */
extern int flag_iasm_blocks;
extern enum iasm_states iasm_state;
extern bool iasm_in_decl;
extern bool inside_iasm_block;
extern bool iasm_at_bol;
extern int iasm_in_operands;
extern const cpp_token *iasm_split_next;
void iasm_insert_saved_token (void);
extern tree iasm_do_id (tree);
/* Maximum number of arguments. */
#define IASM_MAX_ARG 11
#ifndef TARGET_IASM_EXTRA_INFO
#define TARGET_IASM_EXTRA_INFO
#endif
struct iasm_md_Extra_info {
/* Number of operands to the ASM_expr. Note, this can be different
from the number of operands to the instruction, in cases like:
mov 0(foo,bar,4), $42
where foo and bar are C expressions. */
int num;
struct {
/* Constraints for operand to the ASM_EXPR. */
const char *constraint;
tree var;
unsigned int argnum;
bool must_be_reg;
bool was_output;
} dat[IASM_MAX_ARG];
int num_rewrites;
struct {
int dat_index;
char *arg_p;
} rewrite[IASM_MAX_ARG];
bool no_label_map;
const char *modifier;
TARGET_IASM_EXTRA_INFO
};
typedef struct iasm_md_Extra_info iasm_md_extra_info;
void iasm_print_operand (char *buf, tree arg, unsigned argnum, tree *uses,
bool must_be_reg, bool must_not_be_reg, iasm_md_extra_info *e);
extern tree iasm_stmt (tree, tree, int);
extern tree iasm_build_register_offset (tree, tree);
extern tree iasm_label (tree, int);
extern tree prepend_char_identifier (tree, char);
extern void iasm_clear_labels (void);
extern tree iasm_reg_name (tree);
extern tree iasm_entry (tree, tree, tree);
extern int iasm_typename_or_reserved (tree);
extern tree iasm_c_build_component_ref (tree, tree);
extern tree iasm_get_identifier (tree, const char *);
extern tree iasm_build_bracket (tree, tree);
extern bool iasm_is_prefix (tree);
extern void iasm_skip_to_eol (void);
extern bool iasm_memory_clobber (const char *);
extern void iasm_force_constraint (const char *c, iasm_md_extra_info *e);
extern tree iasm_ptr_conv (tree type, tree exp);
extern void iasm_get_register_var (tree var, const char *modifier, char *buf,
unsigned argnum, bool must_be_reg, iasm_md_extra_info *e);
extern bool iasm_is_pseudo (const char *);
extern tree iasm_addr (tree);
extern void iasm_end_block (void);
#endif