#include "php_psi.h"
#include "libjit.h"
+#include "engine.h"
#include <jit/jit.h>
static void psi_jit_handler(jit_type_t _sig, void *result, void **_args, void *_data);
+static inline jit_type_t psi_jit_decl_arg_type(decl_arg *darg);
static inline jit_abi_t psi_jit_abi(const char *convention) {
return jit_abi_cdecl;
}
static inline jit_type_t psi_jit_token_type(token_t t) {
switch (t) {
+ default:
+ ZEND_ASSERT(0);
+ /* no break */
case PSI_T_VOID:
return jit_type_void;
case PSI_T_INT8:
return jit_type_ulong;
case PSI_T_BOOL:
return jit_type_sys_bool;
+ case PSI_T_INT:
+ return jit_type_sys_int;
+ case PSI_T_LONG:
+ return jit_type_sys_long;
case PSI_T_FLOAT:
return jit_type_sys_float;
case PSI_T_DOUBLE:
return jit_type_sys_double;
+#ifdef HAVE_LONG_DOUBLE
+ case PSI_T_LONG_DOUBLE:
+ return jit_type_sys_long_double;
+#endif
+ case PSI_T_POINTER:
+ return jit_type_void_ptr;
+ }
+}
+static inline jit_type_t psi_jit_impl_type(token_t impl_type) {
+ switch (impl_type) {
+ case PSI_T_BOOL:
+ return jit_type_sbyte;
+ case PSI_T_INT:
+ return jit_type_long;
+ case PSI_T_STRING:
+ return jit_type_void_ptr;
+ case PSI_T_FLOAT:
+ case PSI_T_DOUBLE:
+ return jit_type_sys_double;
EMPTY_SWITCH_DEFAULT_CASE();
}
+ return NULL;
+}
+
+static void psi_jit_struct_type_dtor(void *type) {
+ jit_type_t strct = type;
+
+ jit_type_free(strct);
+}
+
+static size_t psi_jit_struct_type_pad(jit_type_t *els, size_t padding) {
+ size_t i;
+
+ for (i = 0; i < padding; ++i) {
+ *els++ = jit_type_copy(jit_type_sys_char);
+ }
+
+ return padding;
+}
+
+static unsigned psi_jit_struct_type_elements(decl_struct *strct, jit_type_t **fields) {
+ size_t i, argc = strct->args->count, nels = 0, offset = 0, maxalign;
+ *fields = calloc(argc + 1, sizeof(*fields));
+
+ for (i = 0; i < strct->args->count; ++i) {
+ decl_arg *darg = strct->args->args[i];
+ jit_type_t type = jit_type_copy(psi_jit_decl_arg_type(darg));
+ size_t padding, alignment;
+
+ ZEND_ASSERT(jit_type_get_size(type) == darg->layout->len);
+
+ if ((alignment = jit_type_get_alignment(type)) > maxalign) {
+ maxalign = alignment;
+ }
+
+ if ((padding = psi_offset_padding(darg->layout->pos - offset, alignment))) {
+ if (nels + padding > argc) {
+ argc += padding;
+ *fields = realloc(*fields, (argc + 1) * sizeof(*fields));
+ }
+ psi_jit_struct_type_pad(&(*fields)[nels], padding);
+ nels += padding;
+ offset += padding;
+ }
+ ZEND_ASSERT(offset == darg->layout->pos);
+
+ offset = (offset + darg->layout->len + alignment - 1) & ~(alignment - 1);
+ (*fields)[nels++] = type;
+ }
+
+ /* apply struct alignment padding */
+ offset = (offset + maxalign - 1) & ~(maxalign - 1);
+
+ ZEND_ASSERT(offset <= strct->size);
+ if (offset < strct->size) {
+ nels += psi_jit_struct_type_pad(&(*fields)[nels], strct->size - offset);
+ }
+
+ return nels;
}
static inline jit_type_t psi_jit_decl_type(decl_type *type) {
- return psi_jit_token_type(real_decl_type(type)->type);
+ decl_type *real = real_decl_type(type);
+
+ if (real->type == PSI_T_STRUCT) {
+ if (!real->strct->engine.type) {
+ unsigned count;
+ jit_type_t strct, *fields = NULL;
+
+ count = psi_jit_struct_type_elements(real->strct, &fields);
+ strct = jit_type_create_struct(fields, count, 0);
+
+ real->strct->engine.type = strct;
+ real->strct->engine.dtor = psi_jit_struct_type_dtor;
+ }
+
+ return real->strct->engine.type;
+ }
+ return psi_jit_token_type(real->type);
}
static inline jit_type_t psi_jit_decl_arg_type(decl_arg *darg) {
if (darg->var->pointer_level) {
typedef struct PSI_LibjitCall {
void *closure;
jit_type_t signature;
- jit_type_t params[1]; /* [type1, type2, NULL, arg1, arg2] ... */
+ void *params[1]; /* [type1, type2, NULL, arg1, arg2] ... */
} PSI_LibjitCall;
typedef struct PSI_LibjitData {
call->params[c] = NULL;
decl->call.info = call;
- decl->call.rval = decl->func->ptr;
+ decl->call.rval = &decl->func->ptr;
decl->call.argc = c;
decl->call.args = (void **) &call->params[c+1];
call->signature = jit_type_create_signature(
psi_jit_abi(decl->abi->convention),
psi_jit_decl_arg_type(decl->func),
- call->params, c, 1);
+ (jit_type_t *) call->params, c, 1);
return call;
}
static inline void PSI_LibjitCallFree(PSI_LibjitCall *call) {
jit_type_free(call->signature);
+ free(call);
}
static inline PSI_LibjitContext *PSI_LibjitContextInit(PSI_LibjitContext *L) {
return zfe;
}
-static void psi_jit_call(PSI_Context *C, decl_callinfo *decl_call) {
+static void psi_jit_call(PSI_Context *C, decl_callinfo *decl_call, impl_vararg *va) {
PSI_LibjitCall *call = decl_call->info;
- jit_apply(call->signature, decl_call->sym, decl_call->args,
- decl_call->argc, decl_call->rval);
+ if (va) {
+ jit_type_t signature;
+ size_t i, nfixedargs = decl_call->argc, ntotalargs = nfixedargs + va->args->count;
+ void **params = calloc(2 * ntotalargs + 2, sizeof(void *));
+
+ for (i = 0; i < nfixedargs; ++i) {
+ params[i] = call->params[i];
+ params[i + ntotalargs + 1] = call->params[i + nfixedargs + 1];
+ }
+ for (i = 0; i < va->args->count; ++i) {
+ params[nfixedargs + i] = psi_jit_impl_type(va->types[i]);
+ params[nfixedargs + i + ntotalargs + 1] = &va->values[i];
+ }
+
+ signature = jit_type_create_signature(
+ jit_type_get_abi(call->signature),
+ jit_type_get_return(call->signature),
+ (jit_type_t *) params, ntotalargs, 1);
+ ZEND_ASSERT(signature);
+
+ jit_apply(signature, decl_call->sym, ¶ms[ntotalargs + 1],
+ nfixedargs, *decl_call->rval);
+ jit_type_free(signature);
+ free(params);
+ } else {
+ jit_apply(call->signature, decl_call->sym, decl_call->args,
+ decl_call->argc, *decl_call->rval);
+ }
}
static PSI_ContextOps ops = {