unicorn/qemu/include/exec/helper-head.h
Markus Armbruster 9ae2fc4d9e
Clean up header guards that don't match their file name
Header guard symbols should match their file name to make guard
collisions less likely. Offenders found with
scripts/clean-header-guards.pl -vn.

Cleaned up with scripts/clean-header-guards.pl, followed by some
renaming of new guard symbols picked by the script to better ones.

Backports commit 121d07125bb6d7079c7ebafdd3efe8c3a01cc440 from qemu
2018-02-25 04:18:42 -05:00

135 lines
4.4 KiB
C

/* Helper file for declaring TCG helper functions.
Used by other helper files.
Targets should use DEF_HELPER_N and DEF_HELPER_FLAGS_N to declare helper
functions. Names should be specified without the helper_ prefix, and
the return and argument types specified. 3 basic types are understood
(i32, i64 and ptr). Additional aliases are provided for convenience and
to match the types used by the C helper implementation.
The target helper.h should be included in all files that use/define
helper functions. THis will ensure that function prototypes are
consistent. In addition it should be included an extra two times for
helper.c, defining:
GEN_HELPER 1 to produce op generation functions (gen_helper_*)
GEN_HELPER 2 to do runtime registration helper functions.
*/
#ifndef EXEC_HELPER_HEAD_H
#define EXEC_HELPER_HEAD_H
#include "qemu/osdep.h"
#define HELPER(name) glue(helper_, name)
#define GET_TCGV_i32 GET_TCGV_I32
#define GET_TCGV_i64 GET_TCGV_I64
#define GET_TCGV_ptr GET_TCGV_PTR
/* Some types that make sense in C, but not for TCG. */
#define dh_alias_i32 i32
#define dh_alias_s32 i32
#define dh_alias_int i32
#define dh_alias_i64 i64
#define dh_alias_s64 i64
#define dh_alias_f32 i32
#define dh_alias_f64 i64
#ifdef TARGET_LONG_BITS
# if TARGET_LONG_BITS == 32
# define dh_alias_tl i32
# else
# define dh_alias_tl i64
# endif
#endif
#define dh_alias_ptr ptr
#define dh_alias_void void
#define dh_alias_noreturn noreturn
#define dh_alias_env ptr
#define dh_alias(t) glue(dh_alias_, t)
#define dh_ctype_i32 uint32_t
#define dh_ctype_s32 int32_t
#define dh_ctype_int int
#define dh_ctype_i64 uint64_t
#define dh_ctype_s64 int64_t
#define dh_ctype_f32 float32
#define dh_ctype_f64 float64
#define dh_ctype_tl target_ulong
#define dh_ctype_ptr void *
#define dh_ctype_void void
#define dh_ctype_noreturn void QEMU_NORETURN
#define dh_ctype_env CPUArchState *
#define dh_ctype(t) dh_ctype_##t
/* We can't use glue() here because it falls foul of C preprocessor
recursive expansion rules. */
#define dh_retvar_decl0_void void
#define dh_retvar_decl0_noreturn void
#define dh_retvar_decl0_i32 TCGv_i32 retval
#define dh_retvar_decl0_i64 TCGv_i64 retval
#define dh_retvar_decl0_ptr TCGv_ptr retval
#define dh_retvar_decl0(t) glue(dh_retvar_decl0_, dh_alias(t))
#define dh_retvar_decl_void
#define dh_retvar_decl_noreturn
#define dh_retvar_decl_i32 TCGv_i32 retval,
#define dh_retvar_decl_i64 TCGv_i64 retval,
#define dh_retvar_decl_ptr TCGv_ptr retval,
#define dh_retvar_decl(t) glue(dh_retvar_decl_, dh_alias(t))
#define dh_retvar_void TCG_CALL_DUMMY_ARG
#define dh_retvar_noreturn TCG_CALL_DUMMY_ARG
#define dh_retvar_i32 GET_TCGV_i32(retval)
#define dh_retvar_i64 GET_TCGV_i64(retval)
#define dh_retvar_ptr GET_TCGV_ptr(retval)
#define dh_retvar(t) glue(dh_retvar_, dh_alias(t))
#define dh_is_64bit_void 0
#define dh_is_64bit_noreturn 0
#define dh_is_64bit_i32 0
#define dh_is_64bit_i64 1
#define dh_is_64bit_ptr (sizeof(void *) == 8)
#define dh_is_64bit(t) glue(dh_is_64bit_, dh_alias(t))
#define dh_is_signed_void 0
#define dh_is_signed_noreturn 0
#define dh_is_signed_i32 0
#define dh_is_signed_s32 1
#define dh_is_signed_i64 0
#define dh_is_signed_s64 1
#define dh_is_signed_f32 0
#define dh_is_signed_f64 0
#define dh_is_signed_tl 0
#define dh_is_signed_int 1
/* ??? This is highly specific to the host cpu. There are even special
extension instructions that may be required, e.g. ia64's addp4. But
for now we don't support any 64-bit targets with 32-bit pointers. */
#define dh_is_signed_ptr 0
#define dh_is_signed_env dh_is_signed_ptr
#define dh_is_signed(t) dh_is_signed_##t
#define dh_sizemask(t, n) \
((dh_is_64bit(t) << (n*2)) | (dh_is_signed(t) << (n*2+1)))
#define dh_arg(t, n) \
glue(GET_TCGV_, dh_alias(t))(glue(arg, n))
#define dh_arg_decl(t, n) glue(TCGv_, dh_alias(t)) glue(arg, n)
#define DEF_HELPER_0(name, ret) \
DEF_HELPER_FLAGS_0(name, 0, ret)
#define DEF_HELPER_1(name, ret, t1) \
DEF_HELPER_FLAGS_1(name, 0, ret, t1)
#define DEF_HELPER_2(name, ret, t1, t2) \
DEF_HELPER_FLAGS_2(name, 0, ret, t1, t2)
#define DEF_HELPER_3(name, ret, t1, t2, t3) \
DEF_HELPER_FLAGS_3(name, 0, ret, t1, t2, t3)
#define DEF_HELPER_4(name, ret, t1, t2, t3, t4) \
DEF_HELPER_FLAGS_4(name, 0, ret, t1, t2, t3, t4)
#define DEF_HELPER_5(name, ret, t1, t2, t3, t4, t5) \
DEF_HELPER_FLAGS_5(name, 0, ret, t1, t2, t3, t4, t5)
/* MAX_OPC_PARAM_IARGS must be set to n if last entry is DEF_HELPER_FLAGS_n. */
#endif /* EXEC_HELPER_HEAD_H */