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