2.5-18.1

1 files changed, 0 insertions, 419 deletions

diff --git a/sysdeps/unix/sysv/linux/hppa/sysdep.h b/sysdeps/unix/sysv/linux/hppa/sysdep.h
deleted file mode 100644
index 4cfe63c556..0000000000
--- a/sysdeps/unix/sysv/linux/hppa/sysdep.h
+++ /dev/null
@@ -1,419 +0,0 @@
-/* Assembler macros for PA-RISC.
-   Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper, <drepper@cygnus.com>, August 1999.
-   Linux/PA-RISC changes by Philipp Rumpf, <prumpf@tux.org>, March 2000.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#include <asm/unistd.h>
-#include <sysdeps/generic/sysdep.h>
-#include <sys/syscall.h>
-#include "config.h"
-
-#ifndef ASM_LINE_SEP
-# define ASM_LINE_SEP ;
-#endif
-
-#undef SYS_ify
-#define SYS_ify(syscall_name)	(__NR_##syscall_name)
-
-#ifdef PIC
-/* WARNING: CANNOT BE USED IN A NOP! */
-# define STW_PIC stw %r19, -32(%sr0, %sp) ASM_LINE_SEP
-# define LDW_PIC ldw -32(%sr0, %sp), %r19 ASM_LINE_SEP
-# define STW_ASM_PIC	"       copy %%r19, %%r4\n"
-# define LDW_ASM_PIC	"       copy %%r4, %%r19\n"
-# define USING_GR4	"%r4",
-#else
-# define STW_PIC ASM_LINE_SEP
-# define LDW_PIC ASM_LINE_SEP
-# define STW_ASM_PIC	" \n"
-# define LDW_ASM_PIC	" \n"
-# define USING_GR4
-#endif
-
-#ifdef __ASSEMBLER__
-
-/* Syntactic details of assembler.  */
-
-#define ALIGNARG(log2) log2
-
-/* For Linux we can use the system call table in the header file
-	/usr/include/asm/unistd.h
-   of the kernel.  But these symbols do not follow the SYS_* syntax
-   so we have to redefine the `SYS_ify' macro here.  */
-#undef SYS_ify
-#define SYS_ify(syscall_name)	__NR_##syscall_name
-
-/* ELF-like local names start with `.L'.  */
-#undef L
-#define L(name)	.L##name
-
-/* Linux uses a negative return value to indicate syscall errors,
-   unlike most Unices, which use the condition codes' carry flag.
-
-   Since version 2.1 the return value of a system call might be
-   negative even if the call succeeded.  E.g., the `lseek' system call
-   might return a large offset.  Therefore we must not anymore test
-   for < 0, but test for a real error by making sure the value in %eax
-   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 safely
-   test with -4095.  */
-
-/* We don't want the label for the error handle to be global when we define
-   it here.  */
-#ifdef PIC
-# define SYSCALL_ERROR_LABEL 0f
-#else
-# define SYSCALL_ERROR_LABEL syscall_error
-#endif
-
-/* Define an entry point visible from C.
-
-   There is currently a bug in gdb which prevents us from specifying
-   incomplete stabs information.  Fake some entries here which specify
-   the current source file.  */
-#define	ENTRY(name)						\
-	.text					ASM_LINE_SEP	\
-	.export C_SYMBOL_NAME(name)		ASM_LINE_SEP	\
-	.type	C_SYMBOL_NAME(name),@function	ASM_LINE_SEP	\
-	C_LABEL(name)				ASM_LINE_SEP	\
-	CALL_MCOUNT				ASM_LINE_SEP
-
-#undef	END
-#define END(name)							\
-1:							ASM_LINE_SEP	\
-.size	C_SYMBOL_NAME(name),1b-C_SYMBOL_NAME(name)	ASM_LINE_SEP
-
-/* If compiled for profiling, call `mcount' at the start of each function.  */
-/* No, don't bother.  gcc will put the call in for us.  */
-#define CALL_MCOUNT		/* Do nothing.  */
-
-/* syscall wrappers consist of
-	#include <sysdep.h>
-	PSEUDO(...)
-	ret
-	PSEUDO_END(...)
-
-   which means
-	ENTRY(name)
-	DO_CALL(...)
-	nop
-	bv 0(2)
-	nop
-*/
-
-#define	PSEUDO(name, syscall_name, args)			\
-  ENTRY (name)							\
-  DO_CALL(syscall_name, args)			ASM_LINE_SEP	\
-  nop						ASM_LINE_SEP
-
-#define ret \
-	/* Return value set by ERRNO code */	ASM_LINE_SEP	\
-	bv 0(2)					ASM_LINE_SEP	\
-	nop					ASM_LINE_SEP
-
-#undef	PSEUDO_END
-#define	PSEUDO_END(name)					\
-  END (name)
-
-/* We don't set the errno on the return from the syscall */
-#define	PSEUDO_NOERRNO(name, syscall_name, args)		\
-  ENTRY (name)							\
-  DO_CALL_NOERRNO(syscall_name, args)		ASM_LINE_SEP	\
-  nop						ASM_LINE_SEP
-
-#define ret_NOERRNO ret
-
-#undef	PSEUDO_END_NOERRNO
-#define	PSEUDO_END_NOERRNO(name)				\
-  END (name)
-
-/* This has to return the error value */
-#undef  PSEUDO_ERRVAL
-#define PSEUDO_ERRVAL(name, syscall_name, args)			\
-	ENTRY(name)						\
-	DO_CALL_ERRVAL(syscall_name, args)	ASM_LINE_SEP	\
-	nop					ASM_LINE_SEP
-
-#define ret_ERRVAL ret
-
-#undef	PSEUDO_END_ERRVAL
-#define PSEUDO_END_ERRVAL(name)					\
-	END(name)
-
-#undef JUMPTARGET
-#define JUMPTARGET(name)	name
-#define SYSCALL_PIC_SETUP	/* Nothing.  */
-
-
-/* All the syscall assembly macros rely on finding the approriate
-   SYSCALL_ERROR_LABEL or rather HANDLER. */
-
-/* int * __errno_location(void) so you have to store your value
-   into the return address! */
-#define DEFAULT_SYSCALL_ERROR_HANDLER 			\
-	.import __errno_location,code	ASM_LINE_SEP	\
-	/* branch to errno handler */	ASM_LINE_SEP	\
-	bl __errno_location,%rp		ASM_LINE_SEP
-
-/* Here are the myriad of configuration options that the above can
-   work for... what we've done is provide the framework for future
-   changes if required to each section */
-
-#ifdef PIC
-# if RTLD_PRIVATE_ERRNO
-#  define SYSCALL_ERROR_HANDLER DEFAULT_SYSCALL_ERROR_HANDLER
-# else /* !RTLD_PRIVATE_ERRNO */
-#  if defined _LIBC_REENTRANT
-#   define SYSCALL_ERROR_HANDLER DEFAULT_SYSCALL_ERROR_HANDLER
-#  else /* !_LIBC_REENTRANT */
-#   define SYSCALL_ERROR_HANDLER DEFAULT_SYSCALL_ERROR_HANDLER
-#  endif /* _LIBC_REENTRANT */
-# endif /* RTLD_PRIVATE_ERRNO */
-#else
-# ifndef _LIBC_REENTRANT
-#  define SYSCALL_ERROR_HANDLER DEFAULT_SYSCALL_ERROR_HANDLER
-# else
-#  define SYSCALL_ERROR_HANDLER DEFAULT_SYSCALL_ERROR_HANDLER
-# endif
-#endif
-
-
-/* Linux takes system call arguments in registers:
-	syscall number	gr20
-	arg 1		gr26
-	arg 2		gr25
-	arg 3		gr24
-	arg 4		gr23
-	arg 5		gr22
-	arg 6		gr21
-
-   The compiler calls us by the C convention:
-	syscall number	in the DO_CALL macro
-	arg 1		gr26
-	arg 2		gr25
-	arg 3		gr24
-	arg 4		gr23
-	arg 5		-52(gr30)
-	arg 6		-56(gr30)
-
-   gr22 and gr21 are caller-saves, so we can just load the arguments
-   there and generally be happy. */
-
-/* the cmpb...no_error code below inside DO_CALL
- * is intended to mimic the if (__sys_res...)
- * code inside INLINE_SYSCALL
- */
-
-#undef	DO_CALL
-#define DO_CALL(syscall_name, args)				\
-	DOARGS_##args				ASM_LINE_SEP	\
-	STW_PIC					ASM_LINE_SEP	\
-	/* Do syscall, delay loads # */		ASM_LINE_SEP	\
-	ble  0x100(%sr2,%r0)			ASM_LINE_SEP	\
-	ldi SYS_ify (syscall_name), %r20	ASM_LINE_SEP	\
-	ldi -0x1000,%r1				ASM_LINE_SEP	\
-	cmpb,>>=,n %r1,%ret0,0f			ASM_LINE_SEP	\
-	/* save rp or we get lost */		ASM_LINE_SEP	\
-	stw %rp, -20(%sr0,%sp)			ASM_LINE_SEP	\
-	/* Restore r19 from frame */		ASM_LINE_SEP	\
-	LDW_PIC					ASM_LINE_SEP	\
-	stw %ret0, -24(%sr0,%sp)		ASM_LINE_SEP	\
-	SYSCALL_ERROR_HANDLER			ASM_LINE_SEP	\
-	/* create frame */			ASM_LINE_SEP	\
-	ldo 64(%sp), %sp			ASM_LINE_SEP	\
-	ldo -64(%sp), %sp			ASM_LINE_SEP	\
-	/* OPTIMIZE: Don't reload r19 */	ASM_LINE_SEP	\
-	/* do a -1*syscall_ret0 */		ASM_LINE_SEP	\
-	ldw -24(%sr0,%sp), %r26			ASM_LINE_SEP	\
-	sub %r0, %r26, %r26			ASM_LINE_SEP	\
-	/* Store into errno location */		ASM_LINE_SEP	\
-	stw %r26, 0(%sr0,%ret0)			ASM_LINE_SEP	\
-	/* return -1 as error */		ASM_LINE_SEP	\
-	ldo -1(%r0), %ret0			ASM_LINE_SEP	\
-	ldw -20(%sr0,%sp), %rp			ASM_LINE_SEP	\
-0:						ASM_LINE_SEP	\
-	UNDOARGS_##args				ASM_LINE_SEP
-
-/* We do nothing with the return, except hand it back to someone else */
-#undef  DO_CALL_NOERRNO
-#define DO_CALL_NOERRNO(syscall_name, args)			\
-	DOARGS_##args                                           \
-	/* No need to store r19 */		ASM_LINE_SEP	\
-	ble  0x100(%sr2,%r0)                    ASM_LINE_SEP    \
-	ldi SYS_ify (syscall_name), %r20        ASM_LINE_SEP    \
-	/* Caller will restore r19 */		ASM_LINE_SEP	\
-	UNDOARGS_##args
-
-/* Here, we return the ERRVAL in assembly, note we don't call the
-   error handler function, but we do 'negate' the return _IF_
-   it's an error. Not sure if this is the right semantic. */
-
-#undef	DO_CALL_ERRVAL
-#define DO_CALL_ERRVAL(syscall_name, args)			\
-	DOARGS_##args				ASM_LINE_SEP	\
-	/* No need to store r19 */		ASM_LINE_SEP	\
-	ble  0x100(%sr2,%r0)			ASM_LINE_SEP	\
-	ldi SYS_ify (syscall_name), %r20	ASM_LINE_SEP	\
-	/* Caller will restore r19 */		ASM_LINE_SEP	\
-	ldi -0x1000,%r1				ASM_LINE_SEP	\
-	cmpb,>>=,n %r1,%ret0,0f			ASM_LINE_SEP	\
-	sub %r0, %ret0, %ret0			ASM_LINE_SEP	\
-0:						ASM_LINE_SEP	\
-	UNDOARGS_##args				ASM_LINE_SEP
-
-#define DOARGS_0 /* nothing */
-#define DOARGS_1 /* nothing */
-#define DOARGS_2 /* nothing */
-#define DOARGS_3 /* nothing */
-#define DOARGS_4 /* nothing */
-#define DOARGS_5 ldw -52(%r30), %r22		ASM_LINE_SEP
-#define DOARGS_6 ldw -52(%r30), %r22		ASM_LINE_SEP	\
-		 ldw -56(%r30), %r21		ASM_LINE_SEP
-
-
-#define UNDOARGS_0 /* nothing */
-#define UNDOARGS_1 /* nothing */
-#define UNDOARGS_2 /* nothing */
-#define UNDOARGS_3 /* nothing */
-#define UNDOARGS_4 /* nothing */
-#define UNDOARGS_5 /* nothing */
-#define UNDOARGS_6 /* nothing */
-
-#else
-
-/* GCC has to be warned that a syscall may clobber all the ABI
-   registers listed as "caller-saves", see page 8, Table 2
-   in section 2.2.6 of the PA-RISC RUN-TIME architecture
-   document. However! r28 is the result and will conflict with
-   the clobber list so it is left out. Also the input arguments
-   registers r20 -> r26 will conflict with the list so they
-   are treated specially. Although r19 is clobbered by the syscall
-   we cannot say this because it would violate ABI, thus we say
-   r4 is clobbered and use that register to save/restore r19
-   across the syscall. */
-
-#define CALL_CLOB_REGS	"%r1", "%r2", USING_GR4 \
-		 	"%r20", "%r29", "%r31"
-
-#undef INLINE_SYSCALL
-#define INLINE_SYSCALL(name, nr, args...)	({			\
-	long __sys_res;							\
-	{								\
-		register unsigned long __res asm("r28");		\
-		LOAD_ARGS_##nr(args)					\
-		/* FIXME: HACK stw/ldw r19 around syscall */		\
-		asm volatile(						\
-			STW_ASM_PIC					\
-			"	ble  0x100(%%sr2, %%r0)\n"		\
-			"	ldi %1, %%r20\n"			\
-			LDW_ASM_PIC					\
-			: "=r" (__res)					\
-			: "i" (SYS_ify(name)) ASM_ARGS_##nr		\
-			: CALL_CLOB_REGS CLOB_ARGS_##nr			\
-		);							\
-		__sys_res = (long)__res;				\
-	}								\
-	if ( (unsigned long)__sys_res >= (unsigned long)-4095 ){	\
-		__set_errno(-__sys_res);				\
-		__sys_res = -1;						\
-	}								\
-	__sys_res;							\
-})
-
-/* INTERNAL_SYSCALL_DECL - Allows us to setup some function static
-   value to use within the context of the syscall
-   INTERNAL_SYSCALL_ERROR_P - Returns 0 if it wasn't an error, 1 otherwise
-   You are allowed to use the syscall result (val) and the DECL error variable
-   to determine what went wrong.
-   INTERLAL_SYSCALL_ERRNO - Munges the val/err pair into the error number.
-   In our case we just flip the sign. */
-
-#undef INTERNAL_SYSCALL_DECL
-#define INTERNAL_SYSCALL_DECL(err) do { } while (0)
-
-/* Equivalent to  (val < 0)&&(val > -4095) which is what we want */
-#undef INTERNAL_SYSCALL_ERROR_P
-#define INTERNAL_SYSCALL_ERROR_P(val, err) \
-	((unsigned long)val >= (unsigned long)-4095)
-
-#undef INTERNAL_SYSCALL_ERRNO
-#define INTERNAL_SYSCALL_ERRNO(val, err) (-(val))
-
-/* Similar to INLINE_SYSCALL but we don't set errno */
-#undef INTERNAL_SYSCALL
-#define INTERNAL_SYSCALL(name, err, nr, args...) 		\
-({								\
-	long __sys_res;						\
-	{							\
-		register unsigned long __res asm("r28");	\
-		LOAD_ARGS_##nr(args)				\
-		/* FIXME: HACK stw/ldw r19 around syscall */	\
-		asm volatile(					\
-			STW_ASM_PIC				\
-			"	ble  0x100(%%sr2, %%r0)\n"	\
-			"	ldi %1, %%r20\n"		\
-			LDW_ASM_PIC				\
-			: "=r" (__res)				\
-			: "i" (SYS_ify(name)) ASM_ARGS_##nr	\
-			: CALL_CLOB_REGS CLOB_ARGS_##nr		\
-		);						\
-		__sys_res = (long)__res;			\
-	}							\
-	__sys_res;						\
- })
-
-#define LOAD_ARGS_0()
-#define LOAD_ARGS_1(r26)					\
-	register unsigned long __r26 __asm__("r26") = (unsigned long)(r26);   \
-	LOAD_ARGS_0()
-#define LOAD_ARGS_2(r26,r25)					\
-	register unsigned long __r25 __asm__("r25") = (unsigned long)(r25);   \
-	LOAD_ARGS_1(r26)
-#define LOAD_ARGS_3(r26,r25,r24)				\
-	register unsigned long __r24 __asm__("r24") = (unsigned long)(r24);   \
-	LOAD_ARGS_2(r26,r25)
-#define LOAD_ARGS_4(r26,r25,r24,r23)				\
-	register unsigned long __r23 __asm__("r23") = (unsigned long)(r23);   \
-	LOAD_ARGS_3(r26,r25,r24)
-#define LOAD_ARGS_5(r26,r25,r24,r23,r22)			\
-	register unsigned long __r22 __asm__("r22") = (unsigned long)(r22);   \
-	LOAD_ARGS_4(r26,r25,r24,r23)
-#define LOAD_ARGS_6(r26,r25,r24,r23,r22,r21)			\
-	register unsigned long __r21 __asm__("r21") = (unsigned long)(r21);   \
-	LOAD_ARGS_5(r26,r25,r24,r23,r22)
-
-/* Even with zero args we use r20 for the syscall number */
-#define ASM_ARGS_0
-#define ASM_ARGS_1 ASM_ARGS_0, "r" (__r26)
-#define ASM_ARGS_2 ASM_ARGS_1, "r" (__r25)
-#define ASM_ARGS_3 ASM_ARGS_2, "r" (__r24)
-#define ASM_ARGS_4 ASM_ARGS_3, "r" (__r23)
-#define ASM_ARGS_5 ASM_ARGS_4, "r" (__r22)
-#define ASM_ARGS_6 ASM_ARGS_5, "r" (__r21)
-
-/* The registers not listed as inputs but clobbered */
-#define CLOB_ARGS_6
-#define CLOB_ARGS_5 CLOB_ARGS_6, "%r21"
-#define CLOB_ARGS_4 CLOB_ARGS_5, "%r22"
-#define CLOB_ARGS_3 CLOB_ARGS_4, "%r23"
-#define CLOB_ARGS_2 CLOB_ARGS_3, "%r24"
-#define CLOB_ARGS_1 CLOB_ARGS_2, "%r25"
-#define CLOB_ARGS_0 CLOB_ARGS_1, "%r26"
-
-#endif	/* __ASSEMBLER__ */