diff options
Diffstat (limited to 'lib/libc/amd64/SYS.h')
| -rw-r--r-- | lib/libc/amd64/SYS.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/lib/libc/amd64/SYS.h b/lib/libc/amd64/SYS.h index 20811a0..ef75377 100644 --- a/lib/libc/amd64/SYS.h +++ b/lib/libc/amd64/SYS.h @@ -44,6 +44,12 @@ .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \ 2: movq PIC_GOT(HIDENAME(cerror)),%rcx; jmp *%rcx + +#define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \ + .weak CNAME(__CONCAT(_,x)); \ + .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ + mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret ; \ + 2: movq PIC_GOT(HIDENAME(cerror)),%rcx; jmp *%rcx #else #define RSYSCALL(x) ENTRY(__CONCAT(__sys_,x)); \ .weak CNAME(x); \ @@ -52,11 +58,12 @@ .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \ 2: jmp HIDENAME(cerror) -#endif #define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \ .weak CNAME(__CONCAT(_,x)); \ .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ - mov __CONCAT($SYS_,x),%rax; KERNCALL; ret + mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \ + 2: jmp HIDENAME(cerror) +#endif #define KERNCALL movq %rcx, %r10; syscall |
