Commit e7ee61cd64e8b84f195efbe5b05920d50da1e949 | zig

author	Alex Rønne Petersen <alex@alexrp.com> 2026-04-15 18:59:10+02:00
committer	Alex Rønne Petersen <alex@alexrp.com> 2026-04-16 16:00:18+02:00
log	e7ee61cd64e8b84f195efbe5b05920d50da1e949
tree	63fb30235a5f206fe1737482ff837a0a4e4f2def
parent	0dd99c37cca1894ad7219e5944e7eef25902e44e
signature	Signed by SSH key SHA256:7B/LJ7bpR1eX8aCXSr4mtd5M45VMPKcx9zY8e95b5QM

musl: fix syscall argument width for mipsn32

https://www.openwall.com/lists/musl/2026/04/16/1

1 files changed, 35 insertions(+), 32 deletions(-)

lib
- libc
  - musl
    arch
    mipsn32
    syscall_arch.h

lib/libc/musl/arch/mipsn32/syscall_arch.h+35-32

...	...	@@ -1,6 +1,9 @@
1	1	#define __SYSCALL_LL_E(x) (x)
2	2	#define __SYSCALL_LL_O(x) (x)
3	3
	4	#define __scc(X) sizeof(1?(X):0ULL) < 8 ? (unsigned long) (X) : (long long) (X)
	5	typedef long long syscall_arg_t;
	6
4	7	#define SYSCALL_RLIM_INFINITY (-1UL/2)
5	8
6	9	#if __mips_isa_rev >= 6
...	...	@@ -13,9 +16,9 @@
13	16	"$14", "$15", "$24", "$25", "hi", "lo", "memory"
14	17	#endif
15	18
16		static inline long __syscall0(long n)
	19	static inline long __syscall0(long long n)
17	20	{
18		register long r7 __asm__("$7");
	21	register long long r7 __asm__("$7");
19	22	register long r2 __asm__("$2");
20	23	__asm__ __volatile__ (
21	24	"daddu $2,$0,%2 ; syscall"
...	...	@@ -25,10 +28,10 @@ static inline long __syscall0(long n)
25	28	return r7 && r2>0 ? -r2 : r2;
26	29	}
27	30
28		static inline long __syscall1(long n, long a)
	31	static inline long __syscall1(long long n, long long a)
29	32	{
30		register long r4 __asm__("$4") = a;
31		register long r7 __asm__("$7");
	33	register long long r4 __asm__("$4") = a;
	34	register long long r7 __asm__("$7");
32	35	register long r2 __asm__("$2");
33	36	__asm__ __volatile__ (
34	37	"daddu $2,$0,%2 ; syscall"
...	...	@@ -38,11 +41,11 @@ static inline long __syscall1(long n, long a)
38	41	return r7 && r2>0 ? -r2 : r2;
39	42	}
40	43
41		static inline long __syscall2(long n, long a, long b)
	44	static inline long __syscall2(long long n, long long a, long long b)
42	45	{
43		register long r4 __asm__("$4") = a;
44		register long r5 __asm__("$5") = b;
45		register long r7 __asm__("$7");
	46	register long long r4 __asm__("$4") = a;
	47	register long long r5 __asm__("$5") = b;
	48	register long long r7 __asm__("$7");
46	49	register long r2 __asm__("$2");
47	50
48	51	__asm__ __volatile__ (
...	...	@@ -53,12 +56,12 @@ static inline long __syscall2(long n, long a, long b)
53	56	return r7 && r2>0 ? -r2 : r2;
54	57	}
55	58
56		static inline long __syscall3(long n, long a, long b, long c)
	59	static inline long __syscall3(long long n, long long a, long long b, long long c)
57	60	{
58		register long r4 __asm__("$4") = a;
59		register long r5 __asm__("$5") = b;
60		register long r6 __asm__("$6") = c;
61		register long r7 __asm__("$7");
	61	register long long r4 __asm__("$4") = a;
	62	register long long r5 __asm__("$5") = b;
	63	register long long r6 __asm__("$6") = c;
	64	register long long r7 __asm__("$7");
62	65	register long r2 __asm__("$2");
63	66
64	67	__asm__ __volatile__ (
...	...	@@ -69,12 +72,12 @@ static inline long __syscall3(long n, long a, long b, long c)
69	72	return r7 && r2>0 ? -r2 : r2;
70	73	}
71	74
72		static inline long __syscall4(long n, long a, long b, long c, long d)
	75	static inline long __syscall4(long long n, long long a, long long b, long long c, long long d)
73	76	{
74		register long r4 __asm__("$4") = a;
75		register long r5 __asm__("$5") = b;
76		register long r6 __asm__("$6") = c;
77		register long r7 __asm__("$7") = d;
	77	register long long r4 __asm__("$4") = a;
	78	register long long r5 __asm__("$5") = b;
	79	register long long r6 __asm__("$6") = c;
	80	register long long r7 __asm__("$7") = d;
78	81	register long r2 __asm__("$2");
79	82
80	83	__asm__ __volatile__ (
...	...	@@ -85,13 +88,13 @@ static inline long __syscall4(long n, long a, long b, long c, long d)
85	88	return r7 && r2>0 ? -r2 : r2;
86	89	}
87	90
88		static inline long __syscall5(long n, long a, long b, long c, long d, long e)
	91	static inline long __syscall5(long long n, long long a, long long b, long long c, long long d, long long e)
89	92	{
90		register long r4 __asm__("$4") = a;
91		register long r5 __asm__("$5") = b;
92		register long r6 __asm__("$6") = c;
93		register long r7 __asm__("$7") = d;
94		register long r8 __asm__("$8") = e;
	93	register long long r4 __asm__("$4") = a;
	94	register long long r5 __asm__("$5") = b;
	95	register long long r6 __asm__("$6") = c;
	96	register long long r7 __asm__("$7") = d;
	97	register long long r8 __asm__("$8") = e;
95	98	register long r2 __asm__("$2");
96	99
97	100	__asm__ __volatile__ (
...	...	@@ -102,14 +105,14 @@ static inline long __syscall5(long n, long a, long b, long c, long d, long e)
102	105	return r7 && r2>0 ? -r2 : r2;
103	106	}
104	107
105		static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
	108	static inline long __syscall6(long long n, long long a, long long b, long long c, long long d, long long e, long long f)
106	109	{
107		register long r4 __asm__("$4") = a;
108		register long r5 __asm__("$5") = b;
109		register long r6 __asm__("$6") = c;
110		register long r7 __asm__("$7") = d;
111		register long r8 __asm__("$8") = e;
112		register long r9 __asm__("$9") = f;
	110	register long long r4 __asm__("$4") = a;
	111	register long long r5 __asm__("$5") = b;
	112	register long long r6 __asm__("$6") = c;
	113	register long long r7 __asm__("$7") = d;
	114	register long long r8 __asm__("$8") = e;
	115	register long long r9 __asm__("$9") = f;
113	116	register long r2 __asm__("$2");
114	117
115	118	__asm__ __volatile__ (