Drop another unused header

Pal/include/bp-asm.h

@@ -1,141 +0,0 @@
-/* Bounded-pointer definitions for x86-64 assembler.
-   Copyright (C) 2001 Free Software Foundation, Inc.
-
-   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.  */
-
-#ifndef _bp_asm_h_
-# define _bp_asm_h_ 1
-
-# if __ASSEMBLER__
-
-#  if __BOUNDED_POINTERS__
-
-/* Bounded pointers occupy three words.  */
-#   define PTR_SIZE 24
-/* Bounded pointer return values are passed back through a hidden
-   argument that points to caller-allocate space.  The hidden arg
-   occupies one word on the stack.  */
-#   define RTN_SIZE 6
-/* Although the caller pushes the hidden arg, the callee is
-   responsible for popping it.  */
-#   define RET_PTR ret $RTN_SIZE
-/* Maintain frame pointer chain in leaf assembler functions for the benefit
-   of debugging stack traces when bounds violations occur.  */
-#   define ENTER pushq %rbp; movq %rsp, %rbp
-#   define LEAVE movq %rbp, %rsp; popq %rbp
-/* Stack space overhead of procedure-call linkage: return address and
-   frame pointer.  */
-#   define LINKAGE 16
-/* Stack offset of return address after calling ENTER.  */
-#   define PCOFF 8
-
-/* Int 5 is the "bound range" exception also raised by the "bound"
-   instruction.  */
-#   define BOUNDS_VIOLATED int $5
-
-#   define CHECK_BOUNDS_LOW(VAL_REG, BP_MEM)	\
-	cmpq 8+BP_MEM, VAL_REG;			\
-	jae 0f; /* continue if value >= low */	\
-	BOUNDS_VIOLATED;			\
-    0:
-
-#   define CHECK_BOUNDS_HIGH(VAL_REG, BP_MEM, Jcc)	\
-	cmpq 16+BP_MEM, VAL_REG;			\
-	Jcc 0f; /* continue if value < high */		\
-	BOUNDS_VIOLATED;				\
-    0:
-
-#   define CHECK_BOUNDS_BOTH(VAL_REG, BP_MEM)	\
-	cmpq 8+BP_MEM, VAL_REG;			\
-	jb 1f; /* die if value < low */		\
-	cmpq 16+BP_MEM, VAL_REG;		\
-	jb 0f; /* continue if value < high */	\
-    1:	BOUNDS_VIOLATED;			\
-    0:
-
-#   define CHECK_BOUNDS_BOTH_WIDE(VAL_REG, BP_MEM, LENGTH)	\
-	CHECK_BOUNDS_LOW(VAL_REG, BP_MEM);			\
-	addl LENGTH, VAL_REG;					\
-	cmpq 16+BP_MEM, VAL_REG;					\
-	jbe 0f; /* continue if value <= high */			\
-	BOUNDS_VIOLATED;					\
-    0:	subq LENGTH, VAL_REG /* restore value */
-
-/* Take bounds from BP_MEM and affix them to the pointer
-   value in %rax, stuffing all into memory at RTN(%esp).
-   Use %rdx as a scratch register.  */
-
-#   define RETURN_BOUNDED_POINTER(BP_MEM)	\
-	movq RTN(%rsp), %rdx;			\
-	movq %rax, 0(%rdx);			\
-	movq 8+BP_MEM, %rax;			\
-	movq %rax, 4(%rdx);			\
-	movq 16+BP_MEM, %rax;			\
-	movq %rax, 8(%rdx)
-
-#   define RETURN_NULL_BOUNDED_POINTER		\
-	movl RTN(%rsp), %rdx;			\
-	movl %rax, 0(%rdx);			\
-	movl %rax, 4(%rdx);			\
-	movl %rax, 8(%rdx)
-
-/* The caller of PAL(__errno_location) is responsible for allocating space
-   for the three-word BP return-value and passing pushing its address
-   as an implicit first argument.  */
-#   define PUSH_ERRNO_LOCATION_RETURN		\
-	subl $16, %esp;				\
-	subl $8, %esp;				\
-	pushq %rsp
-
-/* PAL(__errno_location) is responsible for popping the implicit first
-   argument, but we must pop the space for the BP itself.  We also
-   dereference the return value in order to dig out the pointer value.  */
-#   define POP_ERRNO_LOCATION_RETURN		\
-	popq %rax;				\
-	addq $16, %rsp
-
-#  else /* !__BOUNDED_POINTERS__ */
-
-/* Unbounded pointers occupy one word.  */
-#   define PTR_SIZE 8
-/* Unbounded pointer return values are passed back in the register %rax.  */
-#   define RTN_SIZE 0
-/* Use simple return instruction for unbounded pointer values.  */
-#   define RET_PTR ret
-/* Don't maintain frame pointer chain for leaf assembler functions.  */
-#   define ENTER
-#   define LEAVE
-/* Stack space overhead of procedure-call linkage: return address only.  */
-#   define LINKAGE 8
-/* Stack offset of return address after calling ENTER.  */
-#   define PCOFF 0
-
-#   define CHECK_BOUNDS_LOW(VAL_REG, BP_MEM)
-#   define CHECK_BOUNDS_HIGH(VAL_REG, BP_MEM, Jcc)
-#   define CHECK_BOUNDS_BOTH(VAL_REG, BP_MEM)
-#   define CHECK_BOUNDS_BOTH_WIDE(VAL_REG, BP_MEM, LENGTH)
-#   define RETURN_BOUNDED_POINTER(BP_MEM)
-
-#   define RETURN_NULL_BOUNDED_POINTER
-
-#   define PUSH_ERRNO_LOCATION_RETURN
-#   define POP_ERRNO_LOCATION_RETURN
-
-#  endif /* !__BOUNDED_POINTERS__ */
-
-# endif /* __ASSEMBLER__ */
-
-#endif /* _bp_asm_h_ */