diff options
Diffstat (limited to 'lib/libc/amd64/SYS.h')
| -rw-r--r-- | lib/libc/amd64/SYS.h | 37 |
1 files changed, 6 insertions, 31 deletions
diff --git a/lib/libc/amd64/SYS.h b/lib/libc/amd64/SYS.h index 2d58562..ba56bce 100644 --- a/lib/libc/amd64/SYS.h +++ b/lib/libc/amd64/SYS.h @@ -42,32 +42,6 @@ #include "DEFS.h" #define SYSCALL(x) 2: PIC_PROLOGUE; jmp PIC_PLT(HIDENAME(cerror)); \ - ENTRY(__CONCAT(_,x)); \ - .weak CNAME(x); \ - .set CNAME(x),CNAME(__CONCAT(_,x)); \ - lea __CONCAT(SYS_,x),%eax; KERNCALL; jb 2b - -#define RSYSCALL(x) SYSCALL(x); ret - -#define PSEUDO(x,y) ENTRY(__CONCAT(_,x)); \ - .weak CNAME(x); \ - .set CNAME(x),CNAME(__CONCAT(_,x)); \ - lea __CONCAT(SYS_,y), %eax; KERNCALL; ret - -/* gas messes up offset -- although we don't currently need it, do for BCS */ -#define LCALL(x,y) .byte 0x9a ; .long y; .word x - -/* - * Design note: - * - * The macros PSYSCALL() and PRSYSCALL() are intended for use where a - * syscall needs to be renamed in the threaded library. - */ -/* - * For the thread_safe versions, we prepend __sys_ to the function - * name so that the 'C' wrapper can go around the real name. - */ -#define PSYSCALL(x) 2: PIC_PROLOGUE; jmp PIC_PLT(HIDENAME(cerror)); \ ENTRY(__CONCAT(__sys_,x)); \ .weak CNAME(x); \ .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ @@ -75,14 +49,15 @@ .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ lea __CONCAT(SYS_,x),%eax; KERNCALL; jb 2b -#define PRSYSCALL(x) PSYSCALL(x); ret +#define RSYSCALL(x) SYSCALL(x); ret -#define PPSEUDO(x,y) ENTRY(__CONCAT(__sys_,x)); \ - .weak CNAME(x); \ - .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ +#define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \ .weak CNAME(__CONCAT(_,x)); \ .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ - lea __CONCAT(SYS_,y), %eax; KERNCALL; ret + lea __CONCAT(SYS_,x), %eax; KERNCALL; ret + +/* gas messes up offset -- although we don't currently need it, do for BCS */ +#define LCALL(x,y) .byte 0x9a ; .long y; .word x #ifdef __ELF__ #define KERNCALL int $0x80 /* Faster */ |
