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- /*
- * Assembler macros for Meta.
- *
- * Licensed under LGPL v2.1 or later, see the file COPYING.LIB in this tarball.
- */
- #include <common/sysdep.h>
- #include <features.h>
- #include <libc-internal.h>
- #ifdef __ASSEMBLER__
- #ifdef SHARED
- #define PLTJMP(_x) _x##@PLT
- #else
- #define PLTJMP(_x) _x
- #endif
- #undef PSEUDO_END
- #define PSEUDO_END(name) \
- SYSCALL_ERROR_HANDLER \
- END (name)
- #if defined NOT_IN_libc
- # define SYSCALL_ERROR __local_syscall_error
- # ifdef RTLD_PRIVATE_ERRNO
- # define SYSCALL_ERROR_HANDLER \
- __local_syscall_error: \
- NEG D0Re0, D0Re0; \
- ADDT D1Re0, CPC1, #HI(_rtld_errno); \
- ADD D1Re0, D1Re0, #LO(_rtld_errno) + 4; \
- SETD [D1Re0], D0Re0; \
- NEG D0Re0, #0x1; \
- MOV PC, D1RtP;
- # else
- # define SYSCALL_ERROR_HANDLER \
- __local_syscall_error: \
- MOV D1Re0, D1RtP; \
- SETL [A0StP++], D0Re0, D1Re0; \
- CALLR D1RtP, PLTJMP(___errno_location); \
- GETD D1Re0, [A0StP+#-8]; \
- NEG D1Re0, D1Re0; \
- SETD [D0Re0], D1Re0; \
- NEG D0Re0, #0x1; \
- GETD D1RtP, [A0StP+#-4]; \
- SUB A0StP, A0StP, #0x8; \
- MOV PC, D1RtP;
- # endif
- #else
- # define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */
- # define SYSCALL_ERROR ___syscall_error
- #endif
- #endif /* __ASSEMBLER __*/
- /* Pointer mangling is not yet supported for META. */
- #define PTR_MANGLE(var) (void) (var)
- #define PTR_DEMANGLE(var) (void) (var)
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