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4.5 KiB

diff --git a/redhat_lsb_trigger.c b/redhat_lsb_trigger.c
index 76db260..f76e5a5 100644
--- a/redhat_lsb_trigger.c
+++ b/redhat_lsb_trigger.c
@@ -424,6 +424,102 @@ register void *__thread_self __asm ("g7");
: inline_syscall_clobbers, "$20", "$21"); \
_sc_ret = _sc_0, _sc_err = _sc_19; \
}
+#elif defined __aarch64__
+#undef SYS_ify
+#define SYS_ify(syscall_name) (__NR_##syscall_name)
+
+# undef INLINE_SYSCALL
+# define INLINE_SYSCALL(name, nr, args...) \
+ ({ unsigned long _sys_result = INTERNAL_SYSCALL (name, , nr, args); \
+ if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (_sys_result, ), 0))\
+ { \
+ __set_errno (INTERNAL_SYSCALL_ERRNO (_sys_result, )); \
+ _sys_result = (unsigned long) -1; \
+ } \
+ (long) _sys_result; })
+
+# undef INTERNAL_SYSCALL_DECL
+# define INTERNAL_SYSCALL_DECL(err) do { } while (0)
+
+# undef INTERNAL_SYSCALL_RAW
+# define INTERNAL_SYSCALL_RAW(name, err, nr, args...) \
+ ({ unsigned long _sys_result; \
+ { \
+ LOAD_ARGS_##nr (args) \
+ register long _x8 asm ("x8") = (name); \
+ asm volatile ("svc 0 // syscall " # name \
+ : "+r" (_x0), "+r" (_x8) \
+ : ASM_ARGS_##nr \
+ : "memory", CLOBBER_ARGS_##nr); \
+ _sys_result = _x0; \
+ } \
+ (long) _sys_result; })
+
+# undef INTERNAL_SYSCALL
+# define INTERNAL_SYSCALL(name, err, nr, args...) \
+ INTERNAL_SYSCALL_RAW(SYS_ify(name), err, nr, args)
+
+# undef INTERNAL_SYSCALL_ERROR_P
+# define INTERNAL_SYSCALL_ERROR_P(val, err) \
+ ((unsigned long) (val) >= (unsigned long) -4095)
+
+# undef INTERNAL_SYSCALL_ERRNO
+# define INTERNAL_SYSCALL_ERRNO(val, err) (-(val))
+
+# define CLOBBER_ARGS_0 CLOBBER_ARGS_1
+# define CLOBBER_ARGS_1 "x1", CLOBBER_ARGS_2
+# define CLOBBER_ARGS_2 "x2", CLOBBER_ARGS_3
+# define CLOBBER_ARGS_3 "x3", CLOBBER_ARGS_4
+# define CLOBBER_ARGS_4 "x4", CLOBBER_ARGS_5
+# define CLOBBER_ARGS_5 "x5", CLOBBER_ARGS_6
+# define CLOBBER_ARGS_6 "x6", CLOBBER_ARGS_7
+# define CLOBBER_ARGS_7 \
+ "x7", "x9", "x10", "x11", "x12", "x13", "x14", "x15", "x16", "x17", "x18"
+
+# define LOAD_ARGS_0() \
+ register long _x0 asm ("x0");
+
+# define ASM_ARGS_0
+# define LOAD_ARGS_1(x0) \
+ long _x0tmp = (long) (x0); \
+ LOAD_ARGS_0 () \
+ _x0 = _x0tmp;
+# define ASM_ARGS_1 "r" (_x0)
+# define LOAD_ARGS_2(x0, x1) \
+ long _x1tmp = (long) (x1); \
+ LOAD_ARGS_1 (x0) \
+ register long _x1 asm ("x1") = _x1tmp;
+# define ASM_ARGS_2 ASM_ARGS_1, "r" (_x1)
+# define LOAD_ARGS_3(x0, x1, x2) \
+ long _x2tmp = (long) (x2); \
+ LOAD_ARGS_2 (x0, x1) \
+ register long _x2 asm ("x2") = _x2tmp;
+# define ASM_ARGS_3 ASM_ARGS_2, "r" (_x2)
+# define LOAD_ARGS_4(x0, x1, x2, x3) \
+ long _x3tmp = (long) (x3); \
+ LOAD_ARGS_3 (x0, x1, x2) \
+ register long _x3 asm ("x3") = _x3tmp;
+# define ASM_ARGS_4 ASM_ARGS_3, "r" (_x3)
+# define LOAD_ARGS_5(x0, x1, x2, x3, x4) \
+ long _x4tmp = (long) (x4); \
+ LOAD_ARGS_4 (x0, x1, x2, x3) \
+ register long _x4 asm ("x4") = _x4tmp;
+# define ASM_ARGS_5 ASM_ARGS_4, "r" (_x4)
+# define LOAD_ARGS_6(x0, x1, x2, x3, x4, x5) \
+ long _x5tmp = (long) (x5); \
+ LOAD_ARGS_5 (x0, x1, x2, x3, x4) \
+ register long _x5 asm ("x5") = _x5tmp;
+# define ASM_ARGS_6 ASM_ARGS_5, "r" (_x5)
+# define LOAD_ARGS_7(x0, x1, x2, x3, x4, x5, x6)\
+ long _x6tmp = (long) (x6); \
+ LOAD_ARGS_6 (x0, x1, x2, x3, x4, x5) \
+ register long _x6 asm ("x6") = _x6tmp;
+# define ASM_ARGS_7 ASM_ARGS_6, "r" (_x6)
+
+# undef INTERNAL_SYSCALL_NCS
+# define INTERNAL_SYSCALL_NCS(number, err, nr, args...) \
+ INTERNAL_SYSCALL_RAW (number, err, nr, args)
+
#endif
#ifdef __i386__
@@ -539,10 +635,14 @@ int main (int argc, char **argv)
p = mempcpy (p, LSBLDSO, sizeof LSBLDSO - 1);
*p++ = '.';
strcpy (p, LSBVER);
+#if defined(__NR_symlink)
if (is_ia64 ())
INTERNAL_SYSCALL (symlink, err, 2, "/emul/ia32-linux/lib/" LDSO, buf);
else
INTERNAL_SYSCALL (symlink, err, 2, LDSO, buf);
+#elif defined(__NR_symlinkat)
+ INTERNAL_SYSCALL (symlinkat, err, 3, AT_FDCWD, LDSO, buf);
+#endif
p = NULL;
}
INTERNAL_SYSCALL (exit, err, 1, 0);
@@ -582,7 +682,7 @@ int __libc_start_main (int argc, char **argv, char **ev,
void *auxvec, void (*rtld_fini) (void),
struct startup_info *stinfo,
char **stack_on_entry)
-#elif defined __arm__
+#elif defined __arm__ || defined __aarch64__
int ___libc_start_main (int (*main) (int argc, char **argv),
int argc, char **argv,