diff options
Diffstat (limited to 'sysdeps/aarch64/sysdep.h')
| -rw-r--r-- | sysdeps/aarch64/sysdep.h | 39 |
1 files changed, 30 insertions, 9 deletions
diff --git a/sysdeps/aarch64/sysdep.h b/sysdeps/aarch64/sysdep.h index e0457593fc..0a7dccbdac 100644 --- a/sysdeps/aarch64/sysdep.h +++ b/sysdeps/aarch64/sysdep.h @@ -16,8 +16,25 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ +#ifndef _AARCH64_SYSDEP_H +#define _AARCH64_SYSDEP_H + #include <sysdeps/generic/sysdep.h> +#ifdef __LP64__ +# define AARCH64_R(NAME) R_AARCH64_ ## NAME +# define PTR_REG(n) x##n +# define PTR_LOG_SIZE 3 +# define DELOUSE(n) +#else +# define AARCH64_R(NAME) R_AARCH64_P32_ ## NAME +# define PTR_REG(n) w##n +# define PTR_LOG_SIZE 2 +# define DELOUSE(n) mov w##n, w##n +#endif + +#define PTR_SIZE (1<<PTR_LOG_SIZE) + #ifdef __ASSEMBLER__ /* Syntactic details of assembler. */ @@ -107,16 +124,18 @@ # define L(name) .L##name #endif -/* Load or store to/from a pc-relative EXPR into/from R, using T. */ -#define LDST_PCREL(OP, R, T, EXPR) \ - adrp T, EXPR; \ - OP R, [T, #:lo12:EXPR];\ +/* Load or store to/from a pc-relative EXPR into/from R, using T. + Note R and T are register numbers and not register names. */ +#define LDST_PCREL(OP, R, T, EXPR) \ + adrp x##T, EXPR; \ + OP PTR_REG (R), [x##T, #:lo12:EXPR]; \ -/* Load or store to/from a got-relative EXPR into/from R, using T. */ -#define LDST_GLOBAL(OP, R, T, EXPR) \ - adrp T, :got:EXPR; \ - ldr T, [T, #:got_lo12:EXPR];\ - OP R, [T]; +/* Load or store to/from a got-relative EXPR into/from R, using T. + Note R and T are register numbers and not register names. */ +#define LDST_GLOBAL(OP, R, T, EXPR) \ + adrp x##T, :got:EXPR; \ + ldr PTR_REG (T), [x##T, #:got_lo12:EXPR]; \ + OP PTR_REG (R), [x##T]; /* Since C identifiers are not normally prefixed with an underscore on this system, the asm identifier `syscall_error' intrudes on the @@ -125,3 +144,5 @@ #define mcount _mcount #endif /* __ASSEMBLER__ */ + +#endif /* _AARCH64_SYSDEP_H */ |