Message ID | 20221213212541.1820840-14-richard.henderson@linaro.org |
---|---|
State | New |
Headers | show |
Series | tcg misc patches | expand |
Richard Henderson <richard.henderson@linaro.org> writes: > Prepare to replace a bunch of separate ifdefs with a > consistent way to describe the ABI of a function call. > > Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
diff --git a/tcg/tcg-internal.h b/tcg/tcg-internal.h index 2c06b5116a..f574743ff8 100644 --- a/tcg/tcg-internal.h +++ b/tcg/tcg-internal.h @@ -27,6 +27,21 @@ #define TCG_HIGHWATER 1024 +/* + * Describe the calling convention of a given argument type. + */ +typedef enum { + TCG_CALL_RET_NORMAL, /* by registers */ +} TCGCallReturnKind; + +typedef enum { + TCG_CALL_ARG_NORMAL, /* by registers (continuing onto stack) */ + TCG_CALL_ARG_EVEN, /* like normal, but skipping odd slots */ + TCG_CALL_ARG_EXTEND, /* for i32, as a sign/zero-extended i64 */ + TCG_CALL_ARG_EXTEND_U, /* ... as a zero-extended i64 */ + TCG_CALL_ARG_EXTEND_S, /* ... as a sign-extended i64 */ +} TCGCallArgumentKind; + typedef struct TCGHelperInfo { void *func; const char *name;