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Merge in changes from NetBSD:

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* Remove support for non-elf files.
 * Add the VFP setjmp magic numbers.
 * Add the offsets for the VFP registers within the buffer.
This commit is contained in:
Andrew Turner 2013-06-08 07:16:22 +00:00
parent 06f1884fa8
commit 864cbcb81b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=251517
1 changed files with 25 additions and 17 deletions
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42
sys/arm/include/setjmp.h
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@ -1,4 +1,4 @@
/* $NetBSD: setjmp.h,v 1.2 2001/08/25 14:45:59 bjh21 Exp $ */
/* $NetBSD: setjmp.h,v 1.5 2013/01/11 13:56:32 matt Exp $ */
/* $FreeBSD$ */
/*
@ -7,11 +7,8 @@
#ifndef _MACHINE_SETJMP_H_
#define _MACHINE_SETJMP_H_
#ifdef __ELF__
#define _JBLEN 64 /* size, in longs, of a jmp_buf */
#else
#define _JBLEN 29 /* size, in longs, of a jmp_buf */
#endif
/*
* NOTE: The internal structure of a jmp_buf is *PRIVATE*
@ -21,12 +18,8 @@
*
* Description of the setjmp buffer
*
* word 0 magic number (dependant on creator)
* 1 - 3 f4 fp register 4
* 4 - 6 f5 fp register 5
* 7 - 9 f6 fp register 6
* 10 - 12 f7 fp register 7
* 13 fpsr fp status register
* word 0 magic number (dependent on creator)
* 13 fpscr vfp status control register
* 14 r4 register 4
* 15 r5 register 5
* 16 r6 register 6
@ -38,10 +31,18 @@
* 22 r12 register 12 (ip)
* 23 r13 register 13 (sp)
* 24 r14 register 14 (lr)
* 25 signal mask (dependant on magic)
* 25 signal mask (dependent on magic)
* 26 (con't)
* 27 (con't)
* 28 (con't)
* 32-33 d8 (vfp register d8)
* 34-35 d9 (vfp register d9)
* 36-37 d10 (vfp register d10)
* 38-39 d11 (vfp register d11)
* 40-41 d12 (vfp register d12)
* 42-43 d13 (vfp register d13)
* 44-45 d14 (vfp register d14)
* 46-47 d15 (vfp register d15)
*
* The magic number number identifies the jmp_buf and
* how the buffer was created as well as providing
@ -63,15 +64,13 @@
#define _JB_MAGIC__SETJMP 0x4278f500
#define _JB_MAGIC_SETJMP 0x4278f501
#define _JB_MAGIC__SETJMP_VFP 0x4278f502
#define _JB_MAGIC_SETJMP_VFP 0x4278f503
/* Valid for all jmp_buf's */
#define _JB_MAGIC 0
#define _JB_REG_F4 1
#define _JB_REG_F5 4
#define _JB_REG_F6 7
#define _JB_REG_F7 10
#define _JB_REG_FPSR 13
#define _JB_REG_FPSCR 13
#define _JB_REG_R4 14
#define _JB_REG_R5 15
#define _JB_REG_R6 16
@ -88,6 +87,15 @@
#define _JB_SIGMASK 25
#define _JB_REG_D8 32
#define _JB_REG_D9 34
#define _JB_REG_D10 36
#define _JB_REG_D11 38
#define _JB_REG_D12 40
#define _JB_REG_D13 42
#define _JB_REG_D14 44
#define _JB_REG_D15 46
#ifndef __ASSEMBLER__
#if __BSD_VISIBLE || __POSIX_VISIBLE || __XSI_VISIBLE
typedef struct _sigjmp_buf { int _sjb[_JBLEN + 1]; } sigjmp_buf[1];