diff options
Diffstat (limited to 'sysdeps')
-rw-r--r-- | sysdeps/ieee754/dbl2mpn.c | 8 | ||||
-rw-r--r-- | sysdeps/ieee754/ldbl2mpn.c | 6 | ||||
-rw-r--r-- | sysdeps/ieee754/mpn2dbl.c | 8 | ||||
-rw-r--r-- | sysdeps/mach/i386/sysdep.h | 18 | ||||
-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 |
11 files changed, 53 insertions, 41 deletions
diff --git a/sysdeps/ieee754/dbl2mpn.c b/sysdeps/ieee754/dbl2mpn.c index 6b690f7..bbac525 100644 --- a/sysdeps/ieee754/dbl2mpn.c +++ b/sysdeps/ieee754/dbl2mpn.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1994, 1995, 1996 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 @@ -45,7 +45,7 @@ __mpn_extract_double (mp_ptr res_ptr, mp_size_t size, #elif BITS_PER_MP_LIMB == 64 /* Hopefully the compiler will combine the two bitfield extracts and this composition into just the original quadword extract. */ - res_ptr[0] = (u.ieee.mantissa0 << 32) | u.ieee.mantissa1; + res_ptr[0] = ((unsigned long int) u.ieee.mantissa0 << 32) | u.ieee.mantissa1; #define N 1 #else #error "mp_limb size " BITS_PER_MP_LIMB "not accounted for" @@ -87,7 +87,7 @@ __mpn_extract_double (mp_ptr res_ptr, mp_size_t size, if (cnt >= NUM_LEADING_ZEROS) { res_ptr[N - 1] = res_ptr[0] << (cnt - NUM_LEADING_ZEROS); - res_ptr[0] = 0; + res_ptr[0] = 0; } else { @@ -101,7 +101,7 @@ __mpn_extract_double (mp_ptr res_ptr, mp_size_t size, } else /* Add the implicit leading one bit for a normalized number. */ - res_ptr[N - 1] |= 1 << (DBL_MANT_DIG - 1 - ((N - 1) * BITS_PER_MP_LIMB)); + res_ptr[N - 1] |= 1L << (DBL_MANT_DIG - 1 - ((N - 1) * BITS_PER_MP_LIMB)); return N; } diff --git a/sysdeps/ieee754/ldbl2mpn.c b/sysdeps/ieee754/ldbl2mpn.c index 029a92a..8db73cd 100644 --- a/sysdeps/ieee754/ldbl2mpn.c +++ b/sysdeps/ieee754/ldbl2mpn.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1996 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 @@ -46,7 +46,7 @@ __mpn_extract_long_double (mp_ptr res_ptr, mp_size_t size, #elif BITS_PER_MP_LIMB == 64 /* Hopefully the compiler will combine the two bitfield extracts and this composition into just the original quadword extract. */ - res_ptr[0] = (u.ieee.mantissa0 << 32) | u.ieee.mantissa1; + res_ptr[0] = ((unsigned long int) u.ieee.mantissa0 << 32) | u.ieee.mantissa1; #define N 1 #else #error "mp_limb size " BITS_PER_MP_LIMB "not accounted for" @@ -70,7 +70,7 @@ __mpn_extract_long_double (mp_ptr res_ptr, mp_size_t size, for denormalized number. If it is one, the number is according to Intel's specification an invalid number. We make the representation unique by explicitly clearing this bit. */ - res_ptr[N - 1] &= ~(1 << ((LDBL_MANT_DIG - 1) % BITS_PER_MP_LIMB)); + res_ptr[N - 1] &= ~(1L << ((LDBL_MANT_DIG - 1) % BITS_PER_MP_LIMB)); if (res_ptr[N - 1] != 0) { diff --git a/sysdeps/ieee754/mpn2dbl.c b/sysdeps/ieee754/mpn2dbl.c index 85148ad..e05d849 100644 --- a/sysdeps/ieee754/mpn2dbl.c +++ b/sysdeps/ieee754/mpn2dbl.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1996 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 @@ -23,20 +23,20 @@ Cambridge, MA 02139, USA. */ /* Convert a multi-precision integer of the needed number of bits (53 for double) and an integral power of two to a `double' in IEEE754 double- - precision format. */ + precision format. */ double __mpn_construct_double (mp_srcptr frac_ptr, int expt, int negative) { union ieee754_double u; - + u.ieee.negative = negative; u.ieee.exponent = expt + IEEE754_DOUBLE_BIAS; #if BITS_PER_MP_LIMB == 32 u.ieee.mantissa1 = frac_ptr[0]; u.ieee.mantissa0 = frac_ptr[1] & ((1 << (DBL_MANT_DIG - 32)) - 1); #elif BITS_PER_MP_LIMB == 64 - u.ieee.mantissa1 = frac_ptr[0] & ((1 << 32) - 1); + u.ieee.mantissa1 = frac_ptr[0] & ((1L << 32) - 1); u.ieee.mantissa0 = (frac_ptr[0] >> 32) & ((1 << (DBL_MANT_DIG - 32)) - 1); #else #error "mp_limb size " BITS_PER_MP_LIMB "not accounted for" diff --git a/sysdeps/mach/i386/sysdep.h b/sysdeps/mach/i386/sysdep.h index f467fef..5f08608 100644 --- a/sysdeps/mach/i386/sysdep.h +++ b/sysdeps/mach/i386/sysdep.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. +/* Copyright (C) 1991, 92, 93, 94, 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 @@ -16,8 +16,6 @@ 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. */ -#define MOVE(x,y) movl x , y - #define LOSE asm volatile ("hlt") #define SNARF_ARGS(entry_sp, argc, argv, envp) \ @@ -51,12 +49,12 @@ Cambridge, MA 02139, USA. */ #define STACK_GROWTH_DOWN - -#ifdef PIC -#define JUMPTARGET(name) name##@PLT -#else -#define JUMPTARGET(name) name -#endif +/* Get the machine-independent Mach definitions. */ +#include_next <sysdep.h> -#include_next <sysdep.h> +/* This should be rearranged, but at the moment this file provides + the most useful definitions for assembler syntax details. */ +#undef ENTRY +#undef ALIGN +#include <sysdeps/unix/i386/sysdep.h> diff --git a/sysdeps/unix/bsd/alarm.c b/sysdeps/unix/alarm.c index 7743256..7743256 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 fb1781b..16a76b1 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 01f1412..01f1412 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 be928e8..be928e8 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 f6da272..c77bbbb 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 8f8a46f..8f8a46f 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 c7ed20f..c7ed20f 100644 --- a/sysdeps/unix/bsd/utime.c +++ b/sysdeps/unix/utime.c |