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Diffstat (limited to '')
| -rw-r--r-- | Patches/ews4800 | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/Patches/ews4800 b/Patches/ews4800 deleted file mode 100644 index 979d6a6..0000000 --- a/Patches/ews4800 +++ /dev/null @@ -1,175 +0,0 @@ -diff -bcrN gc.org/doc/README.ews4800 gc/doc/README.ews4800 -*** gc.org/doc/README.ews4800 Thu Jan 1 09:00:00 1970 ---- gc/doc/README.ews4800 Wed Jul 25 17:38:57 2001 -*************** -*** 0 **** ---- 1,75 ---- -+ GC on EWS4800 -+ ------------- -+ -+ 1. About EWS4800 -+ EWS4800 is 32bit/64bit workstation. -+ -+ Vender: NEC Corporation -+ OS: UX/4800 R9.* - R13.* (SystemV R4.2) -+ CPU: R4000, R4400, R10000 (MIPS) -+ -+ 2. Compiler -+ -+ 32bit: -+ Use ANSI C compiler. -+ CC = /usr/abiccs/bin/cc -+ -+ 64bit: -+ Use 64bit ANSI C compiler. -+ CC = /usr/ccs64/bin/cc -+ AR = /usr/ccs64/bin/ar -+ -+ 3. ELF file format -+ *** Caution: The following infomation is empirical. *** -+ -+ 32bit: -+ ELF file has an unique format. (See a.out(4) and end(3C).) -+ -+ &_start -+ : text segment -+ &etext -+ DATASTART -+ : data segment (initialized) -+ &edata -+ DATASTART2 -+ : data segment (uninitialized) -+ &end -+ -+ Here, DATASTART and DATASTART2 are macros of GC, and are defined as -+ the following equations. (See include/private/gcconfig.h.) -+ The algorithm for DATASTART is similar with the function -+ GC_SysVGetDataStart() in os_dep.c. -+ -+ DATASTART = ((&etext + 0x3ffff) & ~0x3ffff) + (&etext & 0xffff) -+ -+ Dynamically linked: -+ DATASTART2 = (&_gp + 0x8000 + 0x3ffff) & ~0x3ffff -+ -+ Statically linked: -+ DATASTART2 = &edata -+ -+ GC has to check addresses both between DATASTART and &edata, and -+ between DATASTART2 and &end. If a program accesses between &etext -+ and DATASTART, or between &edata and DATASTART2, the segmentation -+ error occurs and the program stops. -+ -+ If a program is statically linked, there is not a gap between -+ &edata and DATASTART2. The global symbol &_DYNAMIC_LINKING is used -+ for the detection. -+ -+ 64bit: -+ ELF file has a simple format. (See end(3C).) -+ -+ _ftext -+ : text segment -+ _etext -+ _fdata = DATASTART -+ : data segment (initialized) -+ _edata -+ _fbss -+ : data segment (uninitialized) -+ _end = DATAEND -+ -+ -- -+ Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp> -+ -diff -bcrN gc.org/include/private/gcconfig.h gc/include/private/gcconfig.h -*** gc.org/include/private/gcconfig.h Sun Jul 1 06:29:27 2001 ---- gc/include/private/gcconfig.h Wed Jul 25 17:38:57 2001 -*************** -*** 75,83 **** - # endif - # define mach_type_known - # endif -! # if defined(mips) || defined(__mips) - # define MIPS -! # if !defined(LINUX) - # if defined(ultrix) || defined(__ultrix) || defined(__NetBSD__) - # define ULTRIX - # else ---- 75,86 ---- - # endif - # define mach_type_known - # endif -! # if defined(mips) || defined(__mips) || defined(_mips) - # define MIPS -! # if defined(nec_ews) || defined(_nec_ews) -! # define EWS4800 -! # endif -! # if !defined(LINUX) && !defined(EWS4800) - # if defined(ultrix) || defined(__ultrix) || defined(__NetBSD__) - # define ULTRIX - # else -*************** -*** 1083,1088 **** ---- 1086,1114 ---- - /* instead. But some kernel versions seem to give the wrong */ - /* value from /proc. */ - # endif /* Linux */ -+ # ifdef EWS4800 -+ # define HEURISTIC2 -+ # if defined(_MIPS_SZPTR) && (_MIPS_SZPTR == 64) -+ extern int _fdata[], _end[]; -+ # define DATASTART ((ptr_t)_fdata) -+ # define DATAEND ((ptr_t)_end) -+ # define CPP_WORDSZ _MIPS_SZPTR -+ # define ALIGNMENT (_MIPS_SZPTR/8) -+ # else -+ extern int etext, edata, end; -+ extern int _DYNAMIC_LINKING, _gp; -+ # define DATASTART ((ptr_t)((((word)&etext + 0x3ffff) & ~0x3ffff) \ -+ + ((word)&etext & 0xffff))) -+ # define DATAEND (&edata) -+ # define DATASTART2 (&_DYNAMIC_LINKING \ -+ ? (ptr_t)(((word)&_gp + 0x8000 + 0x3ffff) & ~0x3ffff) \ -+ : (ptr_t)&edata) -+ # define DATAEND2 (&end) -+ # define ALIGNMENT 4 -+ # endif -+ # define OS_TYPE "EWS4800" -+ # define USE_GENERIC_PUSH_REGS 1 -+ # endif - # ifdef ULTRIX - # define HEURISTIC2 - # define DATASTART (ptr_t)0x10000000 -diff -bcrN gc.org/mach_dep.c gc/mach_dep.c -*** gc.org/mach_dep.c Thu Jun 28 05:54:23 2001 ---- gc/mach_dep.c Wed Jul 25 17:38:57 2001 -*************** -*** 429,435 **** - *i = 0; - } - # if defined(POWERPC) || defined(MSWIN32) || defined(MSWINCE) \ -! || defined(UTS4) || defined(LINUX) - (void) setjmp(regs); - # else - (void) _setjmp(regs); ---- 429,435 ---- - *i = 0; - } - # if defined(POWERPC) || defined(MSWIN32) || defined(MSWINCE) \ -! || defined(UTS4) || defined(LINUX) || defined(EWS4800) - (void) setjmp(regs); - # else - (void) _setjmp(regs); -diff -bcrN gc.org/os_dep.c gc/os_dep.c -*** gc.org/os_dep.c Tue Jun 26 11:32:26 2001 ---- gc/os_dep.c Wed Jul 25 17:38:57 2001 -*************** -*** 1088,1093 **** ---- 1088,1096 ---- - GC_add_roots_inner(DATASTART, (char *)sbrk(0), FALSE); - # else - GC_add_roots_inner(DATASTART, (char *)(DATAEND), FALSE); -+ # if defined(DATASTART2) -+ GC_add_roots_inner(DATASTART2, (char *)(DATAEND2), FALSE); -+ # endif - # endif - # endif - # if !defined(PCR) && (defined(NEXT) || defined(MACOSX)) |