diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/m68k/sysdep.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/m68k/sysdep.h | 47 |
1 files changed, 6 insertions, 41 deletions
diff --git a/sysdeps/unix/sysv/linux/m68k/sysdep.h b/sysdeps/unix/sysv/linux/m68k/sysdep.h index 5263c71..03360b8 100644 --- a/sysdeps/unix/sysv/linux/m68k/sysdep.h +++ b/sysdeps/unix/sysv/linux/m68k/sysdep.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. +/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Andreas Schwab, <schwab@issan.informatik.uni-dortmund.de>, December 1995. @@ -19,6 +19,7 @@ Boston, MA 02111-1307, USA. */ #include <sysdeps/unix/sysdep.h> +#include <sysdeps/m68k/sysdep.h> /* For Linux we can use the system call table in the header file /usr/include/asm/unistd.h @@ -33,40 +34,6 @@ #ifdef ASSEMBLER -/* Define an entry point visible from C. */ -#define ENTRY(name) \ - .globl name; \ - .type name, @function; \ - .align 4; \ - C_LABEL(name) \ - CALL_MCOUNT - -#undef END -#define END(name) .size name, . - name - -/* If compiled for profiling, call `_mcount' at the start of each function. */ -#ifdef PROF -/* The mcount code relies on a normal frame pointer being on the stack - to locate our caller, so push one just for its benefit. */ -#define CALL_MCOUNT \ - move.l %fp, -(%sp); move.l %sp, %fp; \ - jbsr JUMPTARGET (_mcount); \ - move.l (%sp)+, %fp; -#else -#define CALL_MCOUNT /* Do nothing. */ -#endif - -#ifdef PIC -#define JUMPTARGET(name) name##@PLTPC -#else -#define JUMPTARGET(name) name -#endif - -/* Since C identifiers are not normally prefixed with an underscore - on this system, the asm identifier `syscall_error' intrudes on the - C name space. Make sure we use an innocuous name. */ -#define syscall_error __syscall_error - /* Linux uses a negative return value to indicate syscall errors, unlike most Unices, which use the condition codes' carry flag. @@ -76,10 +43,11 @@ for a real error by making sure the value in %d0 is a real error number. Linus said he will make sure the no syscall returns a value in -1 .. -4095 as a valid result so we can savely test with -4095. */ +#undef PSEUDO #define PSEUDO(name, syscall_name, args) \ .text; \ ENTRY (name) \ - DO_CALL (&SYS_ify (syscall_name), args); \ + DO_CALL (syscall_name, args); \ cmp.l &-4095, %d0; \ jcc syscall_error @@ -93,9 +61,6 @@ #ifdef _LIBC_REENTRANT #define SYSCALL_ERROR_HANDLER \ syscall_error: \ - move.l (errno@GOTPC, %pc), %a0; \ - neg.l %d0; \ - move.l %d0, (%a0); \ move.l %d0, -(%sp); \ jbsr __errno_location@PLTPC; \ move.l (%sp)+, (%a0); \ @@ -145,8 +110,8 @@ syscall_error: \ speed is more important, we don't use movem. Since %a0 and %a1 are scratch registers, we can use them for saving as well. */ -#define DO_CALL(syscall, args) \ - move.l syscall, %d0; \ +#define DO_CALL(syscall_name, args) \ + move.l &SYS_ify(syscall_name), %d0; \ DOARGS_##args \ trap &0; \ UNDOARGS_##args |