authorgravatar for alex@alexrp.comAlex Rønne Petersen <alex@alexrp.com> 2026-07-05 10:36:05+02:00
committergravatar for alex@alexrp.comAlex Rønne Petersen <alex@alexrp.com> 2026-07-05 10:39:03+02:00
log02efcc88c15ecd53ba9b6ddd05bf7e5b353c38fe
tree5353755d8b70a4eab530fcf0844c27234a6f5fa9
parent67b05e521603be6bd276f26b30523b03a58cb0e0
signaturebadge-check Signed by SSH key SHA256:7B/LJ7bpR1eX8aCXSr4mtd5M45VMPKcx9zY8e95b5QM

musl: mark ctr and xer clobbered in syscalls on powerpc

Backport of musl commit f6944eb3c4ce1c97dc39dc36d32390dc9f70b67b.

2 files changed, 14 insertions(+), 14 deletions(-)

lib/libc/musl/arch/powerpc/syscall_arch.h+7-7
......@@ -9,7 +9,7 @@ static inline long __syscall0(long n)
99 register long r3 __asm__("r3");
1010 __asm__ __volatile__("sc ; bns+ 1f ; neg %1, %1 ; 1:"
1111 : "+r"(r0), "=r"(r3)
12 :: "memory", "cr0", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12");
12 :: "memory", "cr0", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "ctr", "xer");
1313 return r3;
1414}
1515
......@@ -19,7 +19,7 @@ static inline long __syscall1(long n, long a)
1919 register long r3 __asm__("r3") = a;
2020 __asm__ __volatile__("sc ; bns+ 1f ; neg %1, %1 ; 1:"
2121 : "+r"(r0), "+r"(r3)
22 :: "memory", "cr0", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12");
22 :: "memory", "cr0", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "ctr", "xer");
2323 return r3;
2424}
2525
......@@ -30,7 +30,7 @@ static inline long __syscall2(long n, long a, long b)
3030 register long r4 __asm__("r4") = b;
3131 __asm__ __volatile__("sc ; bns+ 1f ; neg %1, %1 ; 1:"
3232 : "+r"(r0), "+r"(r3), "+r"(r4)
33 :: "memory", "cr0", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12");
33 :: "memory", "cr0", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "ctr", "xer");
3434 return r3;
3535}
3636
......@@ -42,7 +42,7 @@ static inline long __syscall3(long n, long a, long b, long c)
4242 register long r5 __asm__("r5") = c;
4343 __asm__ __volatile__("sc ; bns+ 1f ; neg %1, %1 ; 1:"
4444 : "+r"(r0), "+r"(r3), "+r"(r4), "+r"(r5)
45 :: "memory", "cr0", "r6", "r7", "r8", "r9", "r10", "r11", "r12");
45 :: "memory", "cr0", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "ctr", "xer");
4646 return r3;
4747}
4848
......@@ -55,7 +55,7 @@ static inline long __syscall4(long n, long a, long b, long c, long d)
5555 register long r6 __asm__("r6") = d;
5656 __asm__ __volatile__("sc ; bns+ 1f ; neg %1, %1 ; 1:"
5757 : "+r"(r0), "+r"(r3), "+r"(r4), "+r"(r5), "+r"(r6)
58 :: "memory", "cr0", "r7", "r8", "r9", "r10", "r11", "r12");
58 :: "memory", "cr0", "r7", "r8", "r9", "r10", "r11", "r12", "ctr", "xer");
5959 return r3;
6060}
6161
......@@ -69,7 +69,7 @@ static inline long __syscall5(long n, long a, long b, long c, long d, long e)
6969 register long r7 __asm__("r7") = e;
7070 __asm__ __volatile__("sc ; bns+ 1f ; neg %1, %1 ; 1:"
7171 : "+r"(r0), "+r"(r3), "+r"(r4), "+r"(r5), "+r"(r6), "+r"(r7)
72 :: "memory", "cr0", "r8", "r9", "r10", "r11", "r12");
72 :: "memory", "cr0", "r8", "r9", "r10", "r11", "r12", "ctr", "xer");
7373 return r3;
7474}
7575
......@@ -84,7 +84,7 @@ static inline long __syscall6(long n, long a, long b, long c, long d, long e, lo
8484 register long r8 __asm__("r8") = f;
8585 __asm__ __volatile__("sc ; bns+ 1f ; neg %1, %1 ; 1:"
8686 : "+r"(r0), "+r"(r3), "+r"(r4), "+r"(r5), "+r"(r6), "+r"(r7), "+r"(r8)
87 :: "memory", "cr0", "r9", "r10", "r11", "r12");
87 :: "memory", "cr0", "r9", "r10", "r11", "r12", "ctr", "xer");
8888 return r3;
8989}
9090
lib/libc/musl/arch/powerpc64/syscall_arch.h+7-7
......@@ -7,7 +7,7 @@ static inline long __syscall0(long n)
77 register long r3 __asm__("r3");
88 __asm__ __volatile__("sc ; bns+ 1f ; neg %1, %1 ; 1:"
99 : "+r"(r0), "=r"(r3)
10 :: "memory", "cr0", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12");
10 :: "memory", "cr0", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "ctr", "xer");
1111 return r3;
1212}
1313
......@@ -17,7 +17,7 @@ static inline long __syscall1(long n, long a)
1717 register long r3 __asm__("r3") = a;
1818 __asm__ __volatile__("sc ; bns+ 1f ; neg %1, %1 ; 1:"
1919 : "+r"(r0), "+r"(r3)
20 :: "memory", "cr0", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12");
20 :: "memory", "cr0", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "ctr", "xer");
2121 return r3;
2222}
2323
......@@ -28,7 +28,7 @@ static inline long __syscall2(long n, long a, long b)
2828 register long r4 __asm__("r4") = b;
2929 __asm__ __volatile__("sc ; bns+ 1f ; neg %1, %1 ; 1:"
3030 : "+r"(r0), "+r"(r3), "+r"(r4)
31 :: "memory", "cr0", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12");
31 :: "memory", "cr0", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "ctr", "xer");
3232 return r3;
3333}
3434
......@@ -40,7 +40,7 @@ static inline long __syscall3(long n, long a, long b, long c)
4040 register long r5 __asm__("r5") = c;
4141 __asm__ __volatile__("sc ; bns+ 1f ; neg %1, %1 ; 1:"
4242 : "+r"(r0), "+r"(r3), "+r"(r4), "+r"(r5)
43 :: "memory", "cr0", "r6", "r7", "r8", "r9", "r10", "r11", "r12");
43 :: "memory", "cr0", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "ctr", "xer");
4444 return r3;
4545}
4646
......@@ -53,7 +53,7 @@ static inline long __syscall4(long n, long a, long b, long c, long d)
5353 register long r6 __asm__("r6") = d;
5454 __asm__ __volatile__("sc ; bns+ 1f ; neg %1, %1 ; 1:"
5555 : "+r"(r0), "+r"(r3), "+r"(r4), "+r"(r5), "+r"(r6)
56 :: "memory", "cr0", "r7", "r8", "r9", "r10", "r11", "r12");
56 :: "memory", "cr0", "r7", "r8", "r9", "r10", "r11", "r12", "ctr", "xer");
5757 return r3;
5858}
5959
......@@ -67,7 +67,7 @@ static inline long __syscall5(long n, long a, long b, long c, long d, long e)
6767 register long r7 __asm__("r7") = e;
6868 __asm__ __volatile__("sc ; bns+ 1f ; neg %1, %1 ; 1:"
6969 : "+r"(r0), "+r"(r3), "+r"(r4), "+r"(r5), "+r"(r6), "+r"(r7)
70 :: "memory", "cr0", "r8", "r9", "r10", "r11", "r12");
70 :: "memory", "cr0", "r8", "r9", "r10", "r11", "r12", "ctr", "xer");
7171 return r3;
7272}
7373
......@@ -82,7 +82,7 @@ static inline long __syscall6(long n, long a, long b, long c, long d, long e, lo
8282 register long r8 __asm__("r8") = f;
8383 __asm__ __volatile__("sc ; bns+ 1f ; neg %1, %1 ; 1:"
8484 : "+r"(r0), "+r"(r3), "+r"(r4), "+r"(r5), "+r"(r6), "+r"(r7), "+r"(r8)
85 :: "memory", "cr0", "r9", "r10", "r11", "r12");
85 :: "memory", "cr0", "r9", "r10", "r11", "r12", "ctr", "xer");
8686 return r3;
8787}
8888