@@ -154,6 +154,7 @@ F: include/exec/exec-all.h
F: include/exec/tb-flush.h
F: include/exec/target_long.h
F: include/exec/helper*.h
+F: include/exec/helper-info.c.inc
F: include/sysemu/cpus.h
F: include/sysemu/tcg.h
F: include/hw/core/tcg-cpu-ops.h
@@ -1,81 +1,96 @@
-/* Helper file for declaring TCG helper functions.
- This one expands generation functions for tcg opcodes. */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Helper file for declaring TCG helper functions.
+ * This one expands generation functions for tcg opcodes.
+ * Define HELPER_H for the header file to be expanded,
+ * and static inline to change from global file scope.
+ */
#ifndef HELPER_GEN_H
#define HELPER_GEN_H
+#include "tcg/tcg.h"
+#include "tcg/helper-info.h"
#include "exec/helper-head.h"
#define DEF_HELPER_FLAGS_0(name, flags, ret) \
+extern TCGHelperInfo glue(helper_info_, name); \
static inline void glue(gen_helper_, name)(dh_retvar_decl0(ret)) \
{ \
- tcg_gen_callN(HELPER(name), dh_retvar(ret), 0, NULL); \
+ tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 0, NULL); \
}
#define DEF_HELPER_FLAGS_1(name, flags, ret, t1) \
+extern TCGHelperInfo glue(helper_info_, name); \
static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \
dh_arg_decl(t1, 1)) \
{ \
- TCGTemp *args[1] = { dh_arg(t1, 1) }; \
- tcg_gen_callN(HELPER(name), dh_retvar(ret), 1, args); \
+ TCGTemp *args[1] = { dh_arg(t1, 1) }; \
+ tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 1, args); \
}
#define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \
+extern TCGHelperInfo glue(helper_info_, name); \
static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \
dh_arg_decl(t1, 1), dh_arg_decl(t2, 2)) \
{ \
- TCGTemp *args[2] = { dh_arg(t1, 1), dh_arg(t2, 2) }; \
- tcg_gen_callN(HELPER(name), dh_retvar(ret), 2, args); \
+ TCGTemp *args[2] = { dh_arg(t1, 1), dh_arg(t2, 2) }; \
+ tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 2, args); \
}
#define DEF_HELPER_FLAGS_3(name, flags, ret, t1, t2, t3) \
+extern TCGHelperInfo glue(helper_info_, name); \
static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \
dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3)) \
{ \
- TCGTemp *args[3] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3) }; \
- tcg_gen_callN(HELPER(name), dh_retvar(ret), 3, args); \
+ TCGTemp *args[3] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3) }; \
+ tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 3, args); \
}
#define DEF_HELPER_FLAGS_4(name, flags, ret, t1, t2, t3, t4) \
+extern TCGHelperInfo glue(helper_info_, name); \
static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \
dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), \
dh_arg_decl(t3, 3), dh_arg_decl(t4, 4)) \
{ \
- TCGTemp *args[4] = { dh_arg(t1, 1), dh_arg(t2, 2), \
- dh_arg(t3, 3), dh_arg(t4, 4) }; \
- tcg_gen_callN(HELPER(name), dh_retvar(ret), 4, args); \
+ TCGTemp *args[4] = { dh_arg(t1, 1), dh_arg(t2, 2), \
+ dh_arg(t3, 3), dh_arg(t4, 4) }; \
+ tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 4, args); \
}
#define DEF_HELPER_FLAGS_5(name, flags, ret, t1, t2, t3, t4, t5) \
+extern TCGHelperInfo glue(helper_info_, name); \
static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \
- dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \
+ dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \
dh_arg_decl(t4, 4), dh_arg_decl(t5, 5)) \
{ \
- TCGTemp *args[5] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \
- dh_arg(t4, 4), dh_arg(t5, 5) }; \
- tcg_gen_callN(HELPER(name), dh_retvar(ret), 5, args); \
+ TCGTemp *args[5] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \
+ dh_arg(t4, 4), dh_arg(t5, 5) }; \
+ tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 5, args); \
}
#define DEF_HELPER_FLAGS_6(name, flags, ret, t1, t2, t3, t4, t5, t6) \
+extern TCGHelperInfo glue(helper_info_, name); \
static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \
- dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \
+ dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \
dh_arg_decl(t4, 4), dh_arg_decl(t5, 5), dh_arg_decl(t6, 6)) \
{ \
- TCGTemp *args[6] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \
- dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6) }; \
- tcg_gen_callN(HELPER(name), dh_retvar(ret), 6, args); \
+ TCGTemp *args[6] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \
+ dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6) }; \
+ tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 6, args); \
}
#define DEF_HELPER_FLAGS_7(name, flags, ret, t1, t2, t3, t4, t5, t6, t7)\
+extern TCGHelperInfo glue(helper_info_, name); \
static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \
- dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \
+ dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \
dh_arg_decl(t4, 4), dh_arg_decl(t5, 5), dh_arg_decl(t6, 6), \
dh_arg_decl(t7, 7)) \
{ \
- TCGTemp *args[7] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \
- dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6), \
- dh_arg(t7, 7) }; \
- tcg_gen_callN(HELPER(name), dh_retvar(ret), 7, args); \
+ TCGTemp *args[7] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \
+ dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6), \
+ dh_arg(t7, 7) }; \
+ tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 7, args); \
}
#include "helper.h"
@@ -90,6 +105,5 @@ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \
#undef DEF_HELPER_FLAGS_5
#undef DEF_HELPER_FLAGS_6
#undef DEF_HELPER_FLAGS_7
-#undef GEN_HELPER
#endif /* HELPER_GEN_H */
deleted file mode 100644
@@ -1,75 +0,0 @@
-/* Helper file for declaring TCG helper functions.
- This one defines data structures private to tcg.c. */
-
-#ifndef HELPER_TCG_H
-#define HELPER_TCG_H
-
-#include "exec/helper-head.h"
-
-/* Need one more level of indirection before stringification
- to get all the macros expanded first. */
-#define str(s) #s
-
-#define DEF_HELPER_FLAGS_0(NAME, FLAGS, ret) \
- { .func = HELPER(NAME), .name = str(NAME), \
- .flags = FLAGS | dh_callflag(ret), \
- .typemask = dh_typemask(ret, 0) },
-
-#define DEF_HELPER_FLAGS_1(NAME, FLAGS, ret, t1) \
- { .func = HELPER(NAME), .name = str(NAME), \
- .flags = FLAGS | dh_callflag(ret), \
- .typemask = dh_typemask(ret, 0) | dh_typemask(t1, 1) },
-
-#define DEF_HELPER_FLAGS_2(NAME, FLAGS, ret, t1, t2) \
- { .func = HELPER(NAME), .name = str(NAME), \
- .flags = FLAGS | dh_callflag(ret), \
- .typemask = dh_typemask(ret, 0) | dh_typemask(t1, 1) \
- | dh_typemask(t2, 2) },
-
-#define DEF_HELPER_FLAGS_3(NAME, FLAGS, ret, t1, t2, t3) \
- { .func = HELPER(NAME), .name = str(NAME), \
- .flags = FLAGS | dh_callflag(ret), \
- .typemask = dh_typemask(ret, 0) | dh_typemask(t1, 1) \
- | dh_typemask(t2, 2) | dh_typemask(t3, 3) },
-
-#define DEF_HELPER_FLAGS_4(NAME, FLAGS, ret, t1, t2, t3, t4) \
- { .func = HELPER(NAME), .name = str(NAME), \
- .flags = FLAGS | dh_callflag(ret), \
- .typemask = dh_typemask(ret, 0) | dh_typemask(t1, 1) \
- | dh_typemask(t2, 2) | dh_typemask(t3, 3) | dh_typemask(t4, 4) },
-
-#define DEF_HELPER_FLAGS_5(NAME, FLAGS, ret, t1, t2, t3, t4, t5) \
- { .func = HELPER(NAME), .name = str(NAME), \
- .flags = FLAGS | dh_callflag(ret), \
- .typemask = dh_typemask(ret, 0) | dh_typemask(t1, 1) \
- | dh_typemask(t2, 2) | dh_typemask(t3, 3) | dh_typemask(t4, 4) \
- | dh_typemask(t5, 5) },
-
-#define DEF_HELPER_FLAGS_6(NAME, FLAGS, ret, t1, t2, t3, t4, t5, t6) \
- { .func = HELPER(NAME), .name = str(NAME), \
- .flags = FLAGS | dh_callflag(ret), \
- .typemask = dh_typemask(ret, 0) | dh_typemask(t1, 1) \
- | dh_typemask(t2, 2) | dh_typemask(t3, 3) | dh_typemask(t4, 4) \
- | dh_typemask(t5, 5) | dh_typemask(t6, 6) },
-
-#define DEF_HELPER_FLAGS_7(NAME, FLAGS, ret, t1, t2, t3, t4, t5, t6, t7) \
- { .func = HELPER(NAME), .name = str(NAME), .flags = FLAGS, \
- .typemask = dh_typemask(ret, 0) | dh_typemask(t1, 1) \
- | dh_typemask(t2, 2) | dh_typemask(t3, 3) | dh_typemask(t4, 4) \
- | dh_typemask(t5, 5) | dh_typemask(t6, 6) | dh_typemask(t7, 7) },
-
-#include "helper.h"
-#include "accel/tcg/tcg-runtime.h"
-#include "accel/tcg/plugin-helpers.h"
-
-#undef str
-#undef DEF_HELPER_FLAGS_0
-#undef DEF_HELPER_FLAGS_1
-#undef DEF_HELPER_FLAGS_2
-#undef DEF_HELPER_FLAGS_3
-#undef DEF_HELPER_FLAGS_4
-#undef DEF_HELPER_FLAGS_5
-#undef DEF_HELPER_FLAGS_6
-#undef DEF_HELPER_FLAGS_7
-
-#endif /* HELPER_TCG_H */
@@ -131,6 +131,7 @@ typedef struct ReservedRegion ReservedRegion;
typedef struct SavedIOTLB SavedIOTLB;
typedef struct SHPCDevice SHPCDevice;
typedef struct SSIBus SSIBus;
+typedef struct TCGHelperInfo TCGHelperInfo;
typedef struct TranslationBlock TranslationBlock;
typedef struct VirtIODevice VirtIODevice;
typedef struct Visitor Visitor;
@@ -40,12 +40,17 @@ typedef struct TCGCallArgumentLoc {
unsigned tmp_subindex : 2;
} TCGCallArgumentLoc;
-typedef struct TCGHelperInfo {
+struct TCGHelperInfo {
void *func;
const char *name;
+
+ /* Used with g_once_init_enter. */
#ifdef CONFIG_TCG_INTERPRETER
ffi_cif *cif;
+#else
+ uintptr_t init;
#endif
+
unsigned typemask : 32;
unsigned flags : 8;
unsigned nr_in : 8;
@@ -54,6 +59,6 @@ typedef struct TCGHelperInfo {
/* Maximum physical arguments are constrained by TCG_TYPE_I128. */
TCGCallArgumentLoc in[MAX_CALL_IARGS * (128 / TCG_TARGET_REG_BITS)];
-} TCGHelperInfo;
+};
#endif /* TCG_HELPER_INFO_H */
@@ -937,7 +937,7 @@ typedef struct TCGTargetOpDef {
bool tcg_op_supported(TCGOpcode op);
-void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args);
+void tcg_gen_callN(TCGHelperInfo *, TCGTemp *ret, int nargs, TCGTemp **args);
TCGOp *tcg_emit_op(TCGOpcode opc, unsigned nargs);
void tcg_op_remove(TCGContext *s, TCGOp *op);
@@ -49,6 +49,11 @@
#include "exec/exec-all.h"
#include "exec/plugin-gen.h"
#include "exec/translator.h"
+#include "exec/helper-proto.h"
+
+#define HELPER_H "accel/tcg/plugin-helpers.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
#ifdef CONFIG_SOFTMMU
# define CONFIG_SOFTMMU_GATE 1
@@ -31,6 +31,10 @@
#include "exec/log.h"
#include "tcg/tcg.h"
+#define HELPER_H "accel/tcg/tcg-runtime.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
/* 32-bit helpers */
int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2)
@@ -30,6 +30,9 @@
#include "exec/translator.h"
#include "exec/log.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
#undef ALPHA_DEBUG_DISAS
#define CONFIG_SOFTFLOAT_INLINE
@@ -33,6 +33,9 @@
#include "exec/log.h"
#include "cpregs.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
#define ENABLE_ARCH_4T arm_dc_feature(s, ARM_FEATURE_V4T)
#define ENABLE_ARCH_5 arm_dc_feature(s, ARM_FEATURE_V5)
@@ -31,6 +31,11 @@
#include "exec/translator.h"
#include "exec/gen-icount.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
+
/*
* Define if you want a BREAK instruction translated to a breakpoint
* Active debugging connection is assumed
@@ -34,11 +34,13 @@
#include "exec/translator.h"
#include "crisv32-decode.h"
#include "qemu/qemu-print.h"
-
#include "exec/helper-gen.h"
-
#include "exec/log.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
#define DISAS_CRIS 0
#if DISAS_CRIS
@@ -31,6 +31,10 @@
#include "genptr.h"
#include "printinsn.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
#include "analyze_funcs_generated.c.inc"
typedef void (*AnalyzeInsn)(DisasContext *ctx);
@@ -29,6 +29,11 @@
#include "exec/translator.h"
#include "exec/log.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
+
/* Since we have a distinction between register size and address size,
we need to redefine all of these. */
@@ -34,6 +34,11 @@
#include "exec/log.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
+
#define PREFIX_REPZ 0x01
#define PREFIX_REPNZ 0x02
#define PREFIX_LOCK 0x04
@@ -26,6 +26,10 @@ static TCGv cpu_lladdr, cpu_llval;
#include "exec/gen-icount.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
#define DISAS_STOP DISAS_TARGET_0
#define DISAS_EXIT DISAS_TARGET_1
#define DISAS_EXIT_UPDATE DISAS_TARGET_2
@@ -34,6 +34,9 @@
#include "exec/log.h"
#include "fpu/softfloat.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
//#define DEBUG_DISPATCH 1
@@ -31,6 +31,10 @@
#include "exec/log.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
#define EXTRACT_FIELD(src, start, end) \
(((src) >> start) & ((1 << (end - start + 1)) - 1))
@@ -37,6 +37,11 @@
#include "fpu_helper.h"
#include "translate.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
+
/*
* Many sysemu-only helpers are not reachable for user-only.
* Define stub generators here, so that we need not either sprinkle
@@ -35,6 +35,11 @@
#include "exec/gen-icount.h"
#include "semihosting/semihost.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
+
/* is_jmp field values */
#define DISAS_UPDATE DISAS_TARGET_1 /* cpu state was modified dynamically */
@@ -35,6 +35,11 @@
#include "exec/log.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
+
/* is_jmp field values */
#define DISAS_EXIT DISAS_TARGET_0 /* force exit to main loop */
#define DISAS_JUMP DISAS_TARGET_1 /* exit via jmp_pc/jmp_pc_imm */
@@ -41,6 +41,10 @@
#include "qemu/qemu-print.h"
#include "qapi/error.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
#define CPU_SINGLE_STEP 0x1
#define CPU_BRANCH_STEP 0x2
@@ -33,6 +33,10 @@
#include "instmap.h"
#include "internals.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
/* global register indices */
static TCGv cpu_gpr[32], cpu_gprh[32], cpu_pc, cpu_vl, cpu_vstart;
static TCGv_i64 cpu_fpr[32]; /* assume F and D extensions */
@@ -28,6 +28,11 @@
#include "exec/translator.h"
#include "exec/log.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
+
typedef struct DisasContext {
DisasContextBase base;
CPURXState *env;
@@ -46,6 +46,10 @@
#include "exec/log.h"
#include "qemu/atomic128.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
/* Information that (most) every instruction needs to manipulate. */
typedef struct DisasContext DisasContext;
@@ -29,6 +29,10 @@
#include "exec/log.h"
#include "qemu/qemu-print.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
typedef struct DisasContext {
DisasContextBase base;
@@ -33,6 +33,9 @@
#include "exec/log.h"
#include "asi.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
#define DYNAMIC_PC 1 /* dynamic pc value */
#define JUMP_PC 2 /* dynamic pc value which takes only two values
@@ -33,6 +33,11 @@
#include "exec/translator.h"
#include "exec/log.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
+
/*
* TCG registers
*/
@@ -45,6 +45,10 @@
#include "exec/log.h"
+#define HELPER_H "helper.h"
+#include "exec/helper-info.c.inc"
+#undef HELPER_H
+
struct DisasContext {
DisasContextBase base;
@@ -848,13 +848,6 @@ void tcg_pool_reset(TCGContext *s)
s->pool_current = NULL;
}
-#include "exec/helper-proto.h"
-
-static TCGHelperInfo all_helpers[] = {
-#include "exec/helper-tcg.h"
-};
-static GHashTable *helper_table;
-
/*
* Create TCGHelperInfo structures for "tcg/tcg-ldst.h" functions,
* akin to what "exec/helper-tcg.h" does with DEF_HELPER_FLAGS_N.
@@ -964,57 +957,45 @@ static ffi_type *typecode_to_ffi(int argmask)
g_assert_not_reached();
}
-static void init_ffi_layouts(void)
+static ffi_cif *init_ffi_layout(TCGHelperInfo *info)
{
- /* g_direct_hash/equal for direct comparisons on uint32_t. */
- GHashTable *ffi_table = g_hash_table_new(NULL, NULL);
+ unsigned typemask = info->typemask;
+ struct {
+ ffi_cif cif;
+ ffi_type *args[];
+ } *ca;
+ ffi_status status;
+ int nargs;
- for (int i = 0; i < ARRAY_SIZE(all_helpers); ++i) {
- TCGHelperInfo *info = &all_helpers[i];
- unsigned typemask = info->typemask;
- gpointer hash = (gpointer)(uintptr_t)typemask;
- struct {
- ffi_cif cif;
- ffi_type *args[];
- } *ca;
- ffi_status status;
- int nargs;
- ffi_cif *cif;
+ /* Ignoring the return type, find the last non-zero field. */
+ nargs = 32 - clz32(typemask >> 3);
+ nargs = DIV_ROUND_UP(nargs, 3);
+ assert(nargs <= MAX_CALL_IARGS);
- cif = g_hash_table_lookup(ffi_table, hash);
- if (cif) {
- info->cif = cif;
- continue;
+ ca = g_malloc0(sizeof(*ca) + nargs * sizeof(ffi_type *));
+ ca->cif.rtype = typecode_to_ffi(typemask & 7);
+ ca->cif.nargs = nargs;
+
+ if (nargs != 0) {
+ ca->cif.arg_types = ca->args;
+ for (int j = 0; j < nargs; ++j) {
+ int typecode = extract32(typemask, (j + 1) * 3, 3);
+ ca->args[j] = typecode_to_ffi(typecode);
}
-
- /* Ignoring the return type, find the last non-zero field. */
- nargs = 32 - clz32(typemask >> 3);
- nargs = DIV_ROUND_UP(nargs, 3);
- assert(nargs <= MAX_CALL_IARGS);
-
- ca = g_malloc0(sizeof(*ca) + nargs * sizeof(ffi_type *));
- ca->cif.rtype = typecode_to_ffi(typemask & 7);
- ca->cif.nargs = nargs;
-
- if (nargs != 0) {
- ca->cif.arg_types = ca->args;
- for (int j = 0; j < nargs; ++j) {
- int typecode = extract32(typemask, (j + 1) * 3, 3);
- ca->args[j] = typecode_to_ffi(typecode);
- }
- }
-
- status = ffi_prep_cif(&ca->cif, FFI_DEFAULT_ABI, nargs,
- ca->cif.rtype, ca->cif.arg_types);
- assert(status == FFI_OK);
-
- cif = &ca->cif;
- info->cif = cif;
- g_hash_table_insert(ffi_table, hash, (gpointer)cif);
}
- g_hash_table_destroy(ffi_table);
+ status = ffi_prep_cif(&ca->cif, FFI_DEFAULT_ABI, nargs,
+ ca->cif.rtype, ca->cif.arg_types);
+ assert(status == FFI_OK);
+
+ return &ca->cif;
}
+
+#define HELPER_INFO_INIT(I) (&(I)->cif)
+#define HELPER_INFO_INIT_VAL(I) init_ffi_layout(I)
+#else
+#define HELPER_INFO_INIT(I) (&(I)->init)
+#define HELPER_INFO_INIT_VAL(I) 1
#endif /* CONFIG_TCG_INTERPRETER */
static inline bool arg_slot_reg_p(unsigned arg_slot)
@@ -1327,16 +1308,6 @@ static void tcg_context_init(unsigned max_cpus)
args_ct += n;
}
- /* Register helpers. */
- /* Use g_direct_hash/equal for direct pointer comparisons on func. */
- helper_table = g_hash_table_new(NULL, NULL);
-
- for (i = 0; i < ARRAY_SIZE(all_helpers); ++i) {
- init_call_layout(&all_helpers[i]);
- g_hash_table_insert(helper_table, (gpointer)all_helpers[i].func,
- (gpointer)&all_helpers[i]);
- }
-
init_call_layout(&info_helper_ld32_mmu);
init_call_layout(&info_helper_ld64_mmu);
init_call_layout(&info_helper_ld128_mmu);
@@ -1344,10 +1315,6 @@ static void tcg_context_init(unsigned max_cpus)
init_call_layout(&info_helper_st64_mmu);
init_call_layout(&info_helper_st128_mmu);
-#ifdef CONFIG_TCG_INTERPRETER
- init_ffi_layouts();
-#endif
-
tcg_target_init(s);
process_op_defs(s);
@@ -2141,15 +2108,18 @@ bool tcg_op_supported(TCGOpcode op)
static TCGOp *tcg_op_alloc(TCGOpcode opc, unsigned nargs);
-void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args)
+void tcg_gen_callN(TCGHelperInfo *info, TCGTemp *ret, int nargs, TCGTemp **args)
{
- const TCGHelperInfo *info;
TCGv_i64 extend_free[MAX_CALL_IARGS];
int n_extend = 0;
TCGOp *op;
int i, n, pi = 0, total_args;
- info = g_hash_table_lookup(helper_table, (gpointer)func);
+ if (unlikely(g_once_init_enter(HELPER_INFO_INIT(info)))) {
+ init_call_layout(info);
+ g_once_init_leave(HELPER_INFO_INIT(info), HELPER_INFO_INIT_VAL(info));
+ }
+
total_args = info->nr_out + info->nr_in + 2;
op = tcg_op_alloc(INDEX_op_call, total_args);
@@ -2216,7 +2186,7 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args)
g_assert_not_reached();
}
}
- op->args[pi++] = (uintptr_t)func;
+ op->args[pi++] = (uintptr_t)info->func;
op->args[pi++] = (uintptr_t)info;
tcg_debug_assert(pi == total_args);
new file mode 100644
@@ -0,0 +1,96 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Helper file for declaring TCG helper functions.
+ * This one expands info structures for tcg helpers.
+ * Define HELPER_H for the header file to be expanded.
+ */
+
+#include "tcg/tcg.h"
+#include "tcg/helper-info.h"
+#include "exec/helper-head.h"
+
+/*
+ * Need one more level of indirection before stringification
+ * to get all the macros expanded first.
+ */
+#define str(s) #s
+
+#define DEF_HELPER_FLAGS_0(NAME, FLAGS, RET) \
+ TCGHelperInfo glue(helper_info_, NAME) = { \
+ .func = HELPER(NAME), .name = str(NAME), \
+ .flags = FLAGS | dh_callflag(RET), \
+ .typemask = dh_typemask(RET, 0) \
+ };
+
+#define DEF_HELPER_FLAGS_1(NAME, FLAGS, RET, T1) \
+ TCGHelperInfo glue(helper_info_, NAME) = { \
+ .func = HELPER(NAME), .name = str(NAME), \
+ .flags = FLAGS | dh_callflag(RET), \
+ .typemask = dh_typemask(RET, 0) | dh_typemask(T1, 1) \
+ };
+
+#define DEF_HELPER_FLAGS_2(NAME, FLAGS, RET, T1, T2) \
+ TCGHelperInfo glue(helper_info_, NAME) = { \
+ .func = HELPER(NAME), .name = str(NAME), \
+ .flags = FLAGS | dh_callflag(RET), \
+ .typemask = dh_typemask(RET, 0) | dh_typemask(T1, 1) \
+ | dh_typemask(T2, 2) \
+ };
+
+#define DEF_HELPER_FLAGS_3(NAME, FLAGS, RET, T1, T2, T3) \
+ TCGHelperInfo glue(helper_info_, NAME) = { \
+ .func = HELPER(NAME), .name = str(NAME), \
+ .flags = FLAGS | dh_callflag(RET), \
+ .typemask = dh_typemask(RET, 0) | dh_typemask(T1, 1) \
+ | dh_typemask(T2, 2) | dh_typemask(T3, 3) \
+ };
+
+#define DEF_HELPER_FLAGS_4(NAME, FLAGS, RET, T1, T2, T3, T4) \
+ TCGHelperInfo glue(helper_info_, NAME) = { \
+ .func = HELPER(NAME), .name = str(NAME), \
+ .flags = FLAGS | dh_callflag(RET), \
+ .typemask = dh_typemask(RET, 0) | dh_typemask(T1, 1) \
+ | dh_typemask(T2, 2) | dh_typemask(T3, 3) \
+ | dh_typemask(T4, 4) \
+ };
+
+#define DEF_HELPER_FLAGS_5(NAME, FLAGS, RET, T1, T2, T3, T4, T5) \
+ TCGHelperInfo glue(helper_info_, NAME) = { \
+ .func = HELPER(NAME), .name = str(NAME), \
+ .flags = FLAGS | dh_callflag(RET), \
+ .typemask = dh_typemask(RET, 0) | dh_typemask(T1, 1) \
+ | dh_typemask(T2, 2) | dh_typemask(T3, 3) \
+ | dh_typemask(T4, 4) | dh_typemask(T5, 5) \
+ };
+
+#define DEF_HELPER_FLAGS_6(NAME, FLAGS, RET, T1, T2, T3, T4, T5, T6) \
+ TCGHelperInfo glue(helper_info_, NAME) = { \
+ .func = HELPER(NAME), .name = str(NAME), \
+ .flags = FLAGS | dh_callflag(RET), \
+ .typemask = dh_typemask(RET, 0) | dh_typemask(T1, 1) \
+ | dh_typemask(T2, 2) | dh_typemask(T3, 3) \
+ | dh_typemask(T4, 4) | dh_typemask(T5, 5) \
+ | dh_typemask(T6, 6) \
+ };
+
+#define DEF_HELPER_FLAGS_7(NAME, FLAGS, RET, T1, T2, T3, T4, T5, T6, T7) \
+ TCGHelperInfo glue(helper_info_, NAME) = { \
+ .func = HELPER(NAME), .name = str(NAME), \
+ .flags = FLAGS | dh_callflag(RET), \
+ .typemask = dh_typemask(RET, 0) | dh_typemask(T1, 1) \
+ | dh_typemask(T2, 2) | dh_typemask(T3, 3) \
+ | dh_typemask(T4, 4) | dh_typemask(T5, 5) \
+ | dh_typemask(T6, 6) | dh_typemask(T7, 7) \
+ };
+
+#include HELPER_H
+
+#undef str
+#undef DEF_HELPER_FLAGS_0
+#undef DEF_HELPER_FLAGS_1
+#undef DEF_HELPER_FLAGS_2
+#undef DEF_HELPER_FLAGS_3
+#undef DEF_HELPER_FLAGS_4
+#undef DEF_HELPER_FLAGS_5
+#undef DEF_HELPER_FLAGS_6
+#undef DEF_HELPER_FLAGS_7