Rich Felker
5f95f965e9
on x32, this change allows programs which use syscall() with pointers or 64-bit values as arguments to work correctly, i.e. without truncation or incorrect sign extension. on all other supported archs, syscall_arg_t is defined as long, so this change is a no-op.
20 lines
389 B
C
20 lines
389 B
C
#include "syscall.h"
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#include <stdarg.h>
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#undef syscall
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long syscall(long n, ...)
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{
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va_list ap;
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syscall_arg_t a,b,c,d,e,f;
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va_start(ap, n);
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a=va_arg(ap, syscall_arg_t);
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b=va_arg(ap, syscall_arg_t);
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c=va_arg(ap, syscall_arg_t);
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d=va_arg(ap, syscall_arg_t);
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e=va_arg(ap, syscall_arg_t);
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f=va_arg(ap, syscall_arg_t);
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va_end(ap);
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return __syscall_ret(__syscall(n,a,b,c,d,e,f));
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}
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