Author: leo
Date: Sun Feb 5 04:52:51 2006
New Revision: 11422
Modified:
trunk/include/parrot/jit.h
Log:
JIT - stub in an architecture specific info structure
* jit_arch_info will replace various defines and interface
functions now scattered inside $arch/jit_emit.h
Modified: trunk/include/parrot/jit.h
==============================================================================
--- trunk/include/parrot/jit.h (original)
+++ trunk/include/parrot/jit.h Sun Feb 5 04:52:51 2006
@@ -185,6 +185,7 @@ typedef struct {
Parrot_jit_constant_pool_t *constant_pool;
char *intval_map;
char *floatval_map;
+ struct jit_arch_info_t *arch_info;
# if EXEC_CAPABLE
Parrot_exec_objfile_t *objfile;
# else
@@ -258,10 +259,58 @@ void Parrot_jit_emit_mov_rm_offs(
typedef enum {
JIT_CODE_FILE,
JIT_CODE_SUB,
- JIT_CODE_SUB_REGS_ONLY
+ JIT_CODE_SUB_REGS_ONLY,
+
+ /* size */
+ JIT_CODE_TYPES
} enum_jit_code_type;
/*
+ * interface to architecture specific details
+ */
+typedef void (*jit_arch_f)(Parrot_jit_info_t *, Interp *);
+
+typedef struct {
+ /*
+ * begin function - emit ABI call prologue
+ */
+ jit_arch_f jit_begin;
+
+ int n_mapped_I;
+ int n_preserved_I;
+ const char *map_I;
+ int n_mapped_F;
+ int n_preserved_F;
+ const char *map_F;
+} jit_arch_regs;
+
+typedef void (*mov_RM_f)(Parrot_jit_info_t *,
+ int cpu_reg, int base_reg, INTVAL offs);
+typedef void (*mov_MR_f)(Parrot_jit_info_t *,
+ int base_reg, INTVAL offs, int cpu_reg);
+
+typedef struct jit_arch_info_t {
+ /* CPU <- Parrot reg move functions */
+ mov_RM_f mov_RM_i;
+ mov_RM_f mov_RM_n;
+ /* Parrot <- CPU reg move functions */
+ mov_MR_f mov_MR_i;
+ mov_MR_f mov_MR_n;
+
+ /* fixup branches and calls after codegen */
+ jit_arch_f jit_dofixup;
+ /* flush caches */
+ jit_arch_f jit_flush_cache;
+ /* register mapping info */
+ jit_arch_regs regs[JIT_CODE_TYPES];
+} jit_arch_info;
+
+/*
+ * return the jit_arch_info for the given JIT_CODE type
+ */
+jit_arch_info * Parrot_jit_init(Interp *, enum_jit_code_type);
+
+/*
* interface to create JIT code
*/
Parrot_jit_info_t *
