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remove long-obsolete clang workarounds from mips* syscall_arch.h files 

at one point, clang reportedly failed to support the asm register
constraints needed for inline syscalls. versions of clang that old
have much bigger problems that preclude using them to compile musl
libc.
This commit is contained in:
Rich Felker 2017-05-31 21:49:44 -04:00
parent 4073f03add
commit 1c497005ee
3 changed files with 0 additions and 157 deletions
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41
arch/mips/syscall_arch.h
View File

@ -20,8 +20,6 @@ static inline void __stat_fix(long p)
}
#endif
#ifndef __clang__
static inline long __syscall0(long n)
{
register long r7 __asm__("$7");
@ -105,45 +103,6 @@ static inline long __syscall4(long n, long a, long b, long c, long d)
return ret;
}
#else
static inline long __syscall0(long n)
{
return (__syscall)(n);
}
static inline long __syscall1(long n, long a)
{
return (__syscall)(n, a);
}
static inline long __syscall2(long n, long a, long b)
{
long r2 = (__syscall)(n, a, b);
if (r2 > -4096UL) return r2;
if (n == SYS_stat64 || n == SYS_fstat64 || n == SYS_lstat64) __stat_fix(b);
return r2;
}
static inline long __syscall3(long n, long a, long b, long c)
{
long r2 = (__syscall)(n, a, b, c);
if (r2 > -4096UL) return r2;
if (n == SYS_stat64 || n == SYS_fstat64 || n == SYS_lstat64) __stat_fix(b);
return r2;
}
static inline long __syscall4(long n, long a, long b, long c, long d)
{
long r2 = (__syscall)(n, a, b, c, d);
if (r2 > -4096UL) return r2;
if (n == SYS_stat64 || n == SYS_fstat64 || n == SYS_lstat64) __stat_fix(b);
if (n == SYS_fstatat) __stat_fix(c);
return r2;
}
#endif
static inline long __syscall5(long n, long a, long b, long c, long d, long e)
{
long r2 = (__syscall)(n, a, b, c, d, e);

75
arch/mips64/syscall_arch.h
View File

@ -49,8 +49,6 @@ static void __stat_fix(struct kernel_stat *kst, struct stat *st)
st->st_blocks = kst->st_blocks;
}
#ifndef __clang__
static inline long __syscall0(long n)
{
register long r7 __asm__("$7");
@ -176,79 +174,6 @@ static inline long __syscall4(long n, long a, long b, long c, long d)
return ret;
}
#else
static inline long __syscall0(long n)
{
return (__syscall)(n);
}
static inline long __syscall1(long n, long a)
{
return (__syscall)(n, a);
}
static inline long __syscall2(long n, long a, long b)
{
long r2;
long old_b = b;
struct kernel_stat kst;
if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat)
b = (long) &kst;
r2 = (__syscall)(n, a, b);
if (r2 > -4096UL) return r2;
if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat)
__stat_fix(&kst, (struct stat *)old_b);
return r2;
}
static inline long __syscall3(long n, long a, long b, long c)
{
long r2;
long old_b = b;
struct kernel_stat kst;
if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat)
b = (long) &kst;
r2 = (__syscall)(n, a, b, c);
if (r2 > -4096UL) return r2;
if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat)
__stat_fix(&kst, (struct stat *)old_b);
return r2;
}
static inline long __syscall4(long n, long a, long b, long c, long d)
{
long r2;
long old_b = b;
long old_c = c;
struct kernel_stat kst;
if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat)
b = (long) &kst;
if (n == SYS_newfstatat)
c = (long) &kst;
r2 = (__syscall)(n, a, b, c, d);
if (r2 > -4096UL) return r2;
if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat)
__stat_fix(&kst, (struct stat *)old_b);
if (n == SYS_newfstatat)
__stat_fix(&kst, (struct stat *)old_c);
return r2;
}
#endif
static inline long __syscall5(long n, long a, long b, long c, long d, long e)
{
long r2;

41
arch/mipsn32/syscall_arch.h
View File

@ -18,8 +18,6 @@ static inline void __stat_fix(long p)
}
#endif
#ifndef __clang__
static inline long __syscall0(long n)
{
register long r7 __asm__("$7");
@ -103,45 +101,6 @@ static inline long __syscall4(long n, long a, long b, long c, long d)
return ret;
}
#else
static inline long __syscall0(long n)
{
return (__syscall)(n);
}
static inline long __syscall1(long n, long a)
{
return (__syscall)(n, a);
}
static inline long __syscall2(long n, long a, long b)
{
long r2 = (__syscall)(n, a, b);
if (r2 > -4096UL) return r2;
if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b);
return r2;
}
static inline long __syscall3(long n, long a, long b, long c)
{
long r2 = (__syscall)(n, a, b, c);
if (r2 > -4096UL) return r2;
if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b);
return r2;
}
static inline long __syscall4(long n, long a, long b, long c, long d)
{
long r2 = (__syscall)(n, a, b, c, d);
if (r2 > -4096UL) return r2;
if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b);
if (n == SYS_fstatat) __stat_fix(c);
return r2;
}
#endif
static inline long __syscall5(long n, long a, long b, long c, long d, long e)
{
long r2 = (__syscall)(n, a, b, c, d, e);