Add support for riscv64 (WIP)
The macros to call syscalls were taken from glibc master. Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>
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26423f95b1
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620fd4e8fd
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@ -0,0 +1,208 @@
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diff --git a/redhat_lsb_trigger.c b/redhat_lsb_trigger.c
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index 1f548f1..6ad4372 100644
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--- a/redhat_lsb_trigger.c
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+++ b/redhat_lsb_trigger.c
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@@ -520,6 +520,194 @@ register void *__thread_self __asm ("g7");
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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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+#elif defined __riscv
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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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+ ({ INTERNAL_SYSCALL_DECL (err); \
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+ long int __sys_result = INTERNAL_SYSCALL (name, err, nr, args); \
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+ if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (__sys_result, ))) \
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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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+ __sys_result; })
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+
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+# define INTERNAL_SYSCALL_DECL(err) do { } while (0)
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+
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+# define INTERNAL_SYSCALL_ERROR_P(val, err) \
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+ ((unsigned long int) (val) > -4096UL)
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+
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+# define INTERNAL_SYSCALL_ERRNO(val, err) (-val)
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+
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+# define INTERNAL_SYSCALL(name, err, nr, args...) \
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+ internal_syscall##nr (SYS_ify (name), err, args)
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+
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+# define INTERNAL_SYSCALL_NCS(number, err, nr, args...) \
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+ internal_syscall##nr (number, err, args)
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+
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+# define internal_syscall0(number, err, dummy...) \
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+({ \
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+ long int _sys_result; \
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+ \
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+ { \
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+ register long int __a7 asm ("a7") = number; \
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+ register long int __a0 asm ("a0"); \
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+ __asm__ volatile ( \
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+ "scall\n\t" \
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+ : "=r" (__a0) \
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+ : "r" (__a7) \
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+ : __SYSCALL_CLOBBERS); \
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+ _sys_result = __a0; \
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+ } \
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+ _sys_result; \
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+})
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+
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+# define internal_syscall1(number, err, arg0) \
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+({ \
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+ long int _sys_result; \
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+ \
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+ { \
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+ register long int __a7 asm ("a7") = number; \
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+ register long int __a0 asm ("a0") = (long int) (arg0); \
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+ __asm__ volatile ( \
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+ "scall\n\t" \
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+ : "+r" (__a0) \
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+ : "r" (__a7) \
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+ : __SYSCALL_CLOBBERS); \
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+ _sys_result = __a0; \
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+ } \
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+ _sys_result; \
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+})
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+
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+# define internal_syscall2(number, err, arg0, arg1) \
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+({ \
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+ long int _sys_result; \
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+ \
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+ { \
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+ register long int __a7 asm ("a7") = number; \
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+ register long int __a0 asm ("a0") = (long int) (arg0); \
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+ register long int __a1 asm ("a1") = (long int) (arg1); \
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+ __asm__ volatile ( \
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+ "scall\n\t" \
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+ : "+r" (__a0) \
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+ : "r" (__a7), "r" (__a1) \
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+ : __SYSCALL_CLOBBERS); \
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+ _sys_result = __a0; \
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+ } \
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+ _sys_result; \
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+})
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+
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+# define internal_syscall3(number, err, arg0, arg1, arg2) \
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+({ \
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+ long int _sys_result; \
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+ \
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+ { \
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+ register long int __a7 asm ("a7") = number; \
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+ register long int __a0 asm ("a0") = (long int) (arg0); \
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+ register long int __a1 asm ("a1") = (long int) (arg1); \
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+ register long int __a2 asm ("a2") = (long int) (arg2); \
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+ __asm__ volatile ( \
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+ "scall\n\t" \
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+ : "+r" (__a0) \
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+ : "r" (__a7), "r" (__a1), "r" (__a2) \
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+ : __SYSCALL_CLOBBERS); \
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+ _sys_result = __a0; \
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+ } \
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+ _sys_result; \
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+})
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+
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+# define internal_syscall4(number, err, arg0, arg1, arg2, arg3) \
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+({ \
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+ long int _sys_result; \
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+ \
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+ { \
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+ register long int __a7 asm ("a7") = number; \
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+ register long int __a0 asm ("a0") = (long int) (arg0); \
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+ register long int __a1 asm ("a1") = (long int) (arg1); \
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+ register long int __a2 asm ("a2") = (long int) (arg2); \
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+ register long int __a3 asm ("a3") = (long int) (arg3); \
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+ __asm__ volatile ( \
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+ "scall\n\t" \
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+ : "+r" (__a0) \
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+ : "r" (__a7), "r" (__a1), "r" (__a2), "r" (__a3) \
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+ : __SYSCALL_CLOBBERS); \
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+ _sys_result = __a0; \
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+ } \
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+ _sys_result; \
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+})
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+
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+# define internal_syscall5(number, err, arg0, arg1, arg2, arg3, arg4) \
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+({ \
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+ long int _sys_result; \
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+ \
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+ { \
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+ register long int __a7 asm ("a7") = number; \
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+ register long int __a0 asm ("a0") = (long int) (arg0); \
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+ register long int __a1 asm ("a1") = (long int) (arg1); \
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+ register long int __a2 asm ("a2") = (long int) (arg2); \
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+ register long int __a3 asm ("a3") = (long int) (arg3); \
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+ register long int __a4 asm ("a4") = (long int) (arg4); \
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+ __asm__ volatile ( \
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+ "scall\n\t" \
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+ : "+r" (__a0) \
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+ : "r" (__a7), "r"(__a1), "r"(__a2), "r"(__a3), "r" (__a4) \
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+ : __SYSCALL_CLOBBERS); \
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+ _sys_result = __a0; \
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+ } \
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+ _sys_result; \
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+})
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+
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+# define internal_syscall6(number, err, arg0, arg1, arg2, arg3, arg4, arg5) \
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+({ \
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+ long int _sys_result; \
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+ \
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+ { \
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+ register long int __a7 asm ("a7") = number; \
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+ register long int __a0 asm ("a0") = (long int) (arg0); \
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+ register long int __a1 asm ("a1") = (long int) (arg1); \
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+ register long int __a2 asm ("a2") = (long int) (arg2); \
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+ register long int __a3 asm ("a3") = (long int) (arg3); \
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+ register long int __a4 asm ("a4") = (long int) (arg4); \
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+ register long int __a5 asm ("a5") = (long int) (arg5); \
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+ __asm__ volatile ( \
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+ "scall\n\t" \
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+ : "+r" (__a0) \
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+ : "r" (__a7), "r" (__a1), "r" (__a2), "r" (__a3), \
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+ "r" (__a4), "r" (__a5) \
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+ : __SYSCALL_CLOBBERS); \
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+ _sys_result = __a0; \
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+ } \
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+ _sys_result; \
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+})
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+
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+# define internal_syscall7(number, err, arg0, arg1, arg2, arg3, arg4, arg5, arg6) \
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+({ \
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+ long int _sys_result; \
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+ \
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+ { \
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+ register long int __a7 asm ("a7") = number; \
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+ register long int __a0 asm ("a0") = (long int) (arg0); \
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+ register long int __a1 asm ("a1") = (long int) (arg1); \
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+ register long int __a2 asm ("a2") = (long int) (arg2); \
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+ register long int __a3 asm ("a3") = (long int) (arg3); \
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+ register long int __a4 asm ("a4") = (long int) (arg4); \
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+ register long int __a5 asm ("a5") = (long int) (arg5); \
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+ register long int __a6 asm ("a6") = (long int) (arg6); \
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+ __asm__ volatile ( \
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+ "scall\n\t" \
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+ : "+r" (__a0) \
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+ : "r" (__a7), "r" (__a1), "r" (__a2), "r" (__a3), \
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+ "r" (__a4), "r" (__a5), "r" (__a6) \
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+ : __SYSCALL_CLOBBERS); \
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+ _sys_result = __a0; \
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+ } \
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+ _sys_result; \
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+})
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+
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+# define __SYSCALL_CLOBBERS "memory"
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#endif
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#ifdef __i386__
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@@ -682,7 +870,7 @@ 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__ || defined __aarch64__
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+#elif defined __arm__ || defined __aarch64__ || defined __riscv
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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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@ -51,6 +51,11 @@
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%global lsbldso ld-lsb-aarch64.so
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%endif
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%ifarch riscv64
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%global ldso ld-linux-riscv64-lp64d.so.1
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%global lsbldso ld-lsb-riscv64.so
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%endif
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%global upstreamlsbrelver 2.0
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%global lsbrelver 4.1
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%global srcrelease 1
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@ -70,6 +75,7 @@ Patch1: redhat-lsb-lsb_start_daemon-fix.patch
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Patch2: redhat-lsb-trigger.patch
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Patch3: redhat-lsb-arm.patch
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Patch4: redhat-lsb-aarch64.patch
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Patch5: redhat-lsb-4.1-add-riscv64.patch
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License: GPLv2
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BuildRequires: glibc-static
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BuildRequires: perl-generators
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@ -106,8 +112,11 @@ BuildRequires: gcc
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%ifarch aarch64
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%global archname aarch64
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%endif
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%ifarch riscv64
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%global archname riscv64
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%endif
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ExclusiveArch: %{ix86} ia64 x86_64 ppc ppc64 s390 s390x %{arm} aarch64 ppc64le
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ExclusiveArch: %{ix86} ia64 x86_64 ppc ppc64 s390 s390x %{arm} aarch64 ppc64le riscv64
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Requires: redhat-lsb-core%{?_isa} = %{version}-%{release}
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Requires: redhat-lsb-cxx%{?_isa} = %{version}-%{release}
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@ -350,7 +359,7 @@ Requires: libjpeg-turbo%{?_isa}
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%ifarch %{ix86} ppc s390 arm
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Requires: libpng12.so.0
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%endif
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%ifarch x86_64 ppc64 s390x aarch64 ppc64le
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%ifarch x86_64 ppc64 s390x aarch64 ppc64le riscv64
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Requires: libpng12.so.0()(64bit)
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%endif
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Requires: libpng%{?_isa}
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@ -479,6 +488,7 @@ to be on LSB conforming system.
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%patch2 -p0 -b .triggerfix
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%patch3 -p1 -b .arm
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%patch4 -p1 -b .aarch64
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%patch5 -p1 -b .riscv64
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%build
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cd lsb-release-%{upstreamlsbrelver}
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