diff options
Diffstat (limited to 'sysdeps/unix')
-rw-r--r-- | sysdeps/unix/alarm.c (renamed from sysdeps/unix/bsd/alarm.c) | 0 | ||||
-rw-r--r-- | sysdeps/unix/i386/sysdep.h | 40 | ||||
-rw-r--r-- | sysdeps/unix/nice.c (renamed from sysdeps/unix/bsd/nice.c) | 0 | ||||
-rw-r--r-- | sysdeps/unix/stime.c (renamed from sysdeps/unix/bsd/stime.c) | 0 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/sysdep.h | 14 | ||||
-rw-r--r-- | sysdeps/unix/time.c (renamed from sysdeps/unix/bsd/time.c) | 0 | ||||
-rw-r--r-- | sysdeps/unix/utime.c (renamed from sysdeps/unix/bsd/utime.c) | 0 |
7 files changed, 34 insertions, 20 deletions
diff --git a/sysdeps/unix/bsd/alarm.c b/sysdeps/unix/alarm.c index 7743256a09..7743256a09 100644 --- a/sysdeps/unix/bsd/alarm.c +++ b/sysdeps/unix/alarm.c diff --git a/sysdeps/unix/i386/sysdep.h b/sysdeps/unix/i386/sysdep.h index fb1781b156..16a76b1d5f 100644 --- a/sysdeps/unix/i386/sysdep.h +++ b/sysdeps/unix/i386/sysdep.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1992, 1993, 1995 Free Software Foundation, Inc. +/* Copyright (C) 1991, 92, 93, 95, 96 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -20,18 +20,43 @@ Cambridge, MA 02139, USA. */ #ifdef ASSEMBLER +/* Syntactic details of assembler. */ + +#ifdef HAVE_ELF + +/* ELF uses byte-counts for .align, most others use log2 of count of bytes. */ +#define ALIGNARG(log2) 1<<log2 +/* For ELF we need the `.type' directive to make shared libs work right. */ +#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg; + +/* In ELF C symbols are asm symbols. */ +#undef NO_UNDERSCORES +#define NO_UNDERSCORES + +#else + +#define ALIGNARG(log2) log2 +#define ASM_TYPE_DIRECTIVE(name,type) /* Nothing is specified. */ + +#endif + + /* Define an entry point visible from C. */ #define ENTRY(name) \ ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \ ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \ - .align 4; \ - C_LABEL(name) + .align ALIGNARG(4); \ + C_LABEL(name) \ + CALL_MCOUNT -/* For ELF we need the `.type' directive to make shared libs work right. */ -#ifdef HAVE_ELF -#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg; +/* 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 \ + pushl %ebp; movl %esp, %ebp; call JUMPTARGET(mcount); popl %ebp; #else -#define ASM_TYPE_DIRECTIVE(name,type) /* Nothing is specified. */ +#define CALL_MCOUNT /* Do nothing. */ #endif #ifdef NO_UNDERSCORES @@ -39,6 +64,7 @@ Cambridge, MA 02139, USA. */ 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 +#define mcount _mcount #endif #define PSEUDO(name, syscall_name, args) \ diff --git a/sysdeps/unix/bsd/nice.c b/sysdeps/unix/nice.c index 01f1412adf..01f1412adf 100644 --- a/sysdeps/unix/bsd/nice.c +++ b/sysdeps/unix/nice.c diff --git a/sysdeps/unix/bsd/stime.c b/sysdeps/unix/stime.c index be928e8f39..be928e8f39 100644 --- a/sysdeps/unix/bsd/stime.c +++ b/sysdeps/unix/stime.c diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h index f6da272c75..c77bbbbf86 100644 --- a/sysdeps/unix/sysv/linux/i386/sysdep.h +++ b/sysdeps/unix/sysv/linux/i386/sysdep.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1992, 1993, 1995 Free Software Foundation, Inc. +/* Copyright (C) 1992, 93, 95, 96 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995. @@ -17,9 +17,6 @@ License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -/* In the Linux/ELF world, C symbols are asm symbols. */ -#define NO_UNDERSCORES - /* There is some commonality. */ #include <sysdeps/unix/i386/sysdep.h> @@ -64,15 +61,6 @@ syscall_error: \ ret; #endif -/* We define our own ENTRY macro because the alignment should be 16 for - ELF. */ -#undef ENTRY -#define ENTRY(name) \ - ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME (name); \ - ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME (name), @function) \ - .align 16; \ - C_LABEL (name) - /* Linux takes system call arguments in registers: syscall number %eax call-clobbered diff --git a/sysdeps/unix/bsd/time.c b/sysdeps/unix/time.c index 8f8a46f830..8f8a46f830 100644 --- a/sysdeps/unix/bsd/time.c +++ b/sysdeps/unix/time.c diff --git a/sysdeps/unix/bsd/utime.c b/sysdeps/unix/utime.c index c7ed20ffe3..c7ed20ffe3 100644 --- a/sysdeps/unix/bsd/utime.c +++ b/sysdeps/unix/utime.c |