From 640eb073d77228ee65dbeb161d2da383a68c35d0 Mon Sep 17 00:00:00 2001 From: "wtc%netscape.com" Date: Sun, 10 Dec 2000 15:20:03 +0000 Subject: [PATCH] Bugzilla bug #61746: make NSPR local threads work on more NetBSD platforms. Thanks to Charles Hannum for the patch. r=wtc. --- nsprpub/pr/include/md/_netbsd.h | 107 +++++++++++++++++++++++--------- 1 file changed, 78 insertions(+), 29 deletions(-) diff --git a/nsprpub/pr/include/md/_netbsd.h b/nsprpub/pr/include/md/_netbsd.h index 09d69be8cc6..379ab490425 100644 --- a/nsprpub/pr/include/md/_netbsd.h +++ b/nsprpub/pr/include/md/_netbsd.h @@ -87,39 +87,88 @@ #define CONTEXT(_th) ((_th)->md.context) -#if defined(__i386__) || defined(__sparc__) || defined(__m68k__) || defined(__powerpc__) -#define JB_SP_INDEX 2 -#elif defined(__mips__) -#define JB_SP_INDEX 4 -#elif defined(__alpha__) -#define JB_SP_INDEX 34 -#elif defined(__arm32__) -/* - * On the arm32, the jmpbuf regs underwent a name change after NetBSD 1.3. - */ -#ifdef JMPBUF_REG_R13 -#define JB_SP_INDEX JMPBUF_REG_R13 -#else -#define JB_SP_INDEX _JB_REG_R13 -#endif -#else -#error "Need to define SP index in jmp_buf here" -#endif -#define _MD_GET_SP(_th) (_th)->md.context[JB_SP_INDEX] - -#define PR_NUM_GCREGS _JBLEN - /* ** Initialize a thread context to run "_main()" when started */ -#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ -{ \ - *status = PR_TRUE; \ - if (sigsetjmp(CONTEXT(_thread), 1)) { \ - _main(); \ - } \ - _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \ +#ifdef __i386__ +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ +{ \ + sigsetjmp(CONTEXT(_thread), 1); \ + CONTEXT(_thread)[2] = (unsigned char*) ((_sp) - 128); \ + CONTEXT(_thread)[0] = (int) _main; \ + *status = PR_TRUE; \ } +#define _MD_GET_SP(_thread) CONTEXT(_thread)[2] +#endif +#ifdef __sparc__ +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ +{ \ + sigsetjmp(CONTEXT(_thread), 1); \ + CONTEXT(_thread)[2] = (unsigned char*) ((_sp) - 128); \ + CONTEXT(_thread)[3] = (int) _main; \ + CONTEXT(_thread)[4] = (int) _main + 4; \ + *status = PR_TRUE; \ +} +#define _MD_GET_SP(_thread) CONTEXT(_thread)[2] +#endif +#ifdef __powerpc__ +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ +{ \ + sigsetjmp(CONTEXT(_thread), 1); \ + CONTEXT(_thread)[3] = (unsigned char*) ((_sp) - 128); \ + CONTEXT(_thread)[4] = (int) _main; \ + *status = PR_TRUE; \ +} +#define _MD_GET_SP(_thread) CONTEXT(_thread)[3] +#endif +#ifdef __m68k__ +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ +{ \ + sigsetjmp(CONTEXT(_thread), 1); \ + CONTEXT(_thread)[2] = (unsigned char*) ((_sp) - 128); \ + CONTEXT(_thread)[5] = (int) _main; \ + *status = PR_TRUE; \ +} +#define _MD_GET_SP(_thread) CONTEXT(_thread)[2] +#endif +#ifdef __mips__ +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ +{ \ + sigsetjmp(CONTEXT(_thread), 1); \ + CONTEXT(_thread)[32] = (unsigned char*) ((_sp) - 128); \ + CONTEXT(_thread)[2] = (int) _main; \ + CONTEXT(_thread)[28] = (int) _main; \ + *status = PR_TRUE; \ +} +#define _MD_GET_SP(_thread) CONTEXT(_thread)[32] +#endif +#ifdef __arm32__ +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ +{ \ + sigsetjmp(CONTEXT(_thread), 1); \ + CONTEXT(_thread)[23] = (unsigned char*) ((_sp) - 128); \ + CONTEXT(_thread)[24] = (int) _main; \ + *status = PR_TRUE; \ +} +#define _MD_GET_SP(_thread) CONTEXT(_thread)[23] +#endif +#ifdef __alpha__ +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ +{ \ + sigsetjmp(CONTEXT(_thread), 1); \ + CONTEXT(_thread)[34] = (unsigned char*) ((_sp) - 128); \ + CONTEXT(_thread)[2] = (long) _main; \ + CONTEXT(_thread)[30] = (long) _main; \ + CONTEXT(_thread)[31] = (long) _main; \ + *status = PR_TRUE; \ +} +#define _MD_GET_SP(_thread) CONTEXT(_thread)[34] +#endif +#ifndef _MD_INIT_CONTEXT +#error "Need to define _MD_INIT_CONTEXT for this platform" +#endif + +#define PR_NUM_GCREGS _JBLEN #define _MD_SWITCH_CONTEXT(_thread) \ if (!sigsetjmp(CONTEXT(_thread), 1)) { \