Initial revision
This commit is contained in:
Akinori Ito
147
Patches/macppc
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147
Patches/macppc
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@@ -0,0 +1,147 @@
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Here is a patch to port GC library to NetBSD/macppc. If you are
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using NetBSD on PowerMac, apply this patch first.
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This patch is provided by K. Sunagawa (kei_sun@ba2.so-net.ne.jp).
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Index: gc/dyn_load.c
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===================================================================
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RCS file: /cvsroot/w3m/gc/dyn_load.c,v
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retrieving revision 1.1.1.2
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retrieving revision 1.2
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diff -u -u -r1.1.1.2 -r1.2
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--- gc/dyn_load.c 1999/06/02 19:29:13 1.1.1.2
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+++ gc/dyn_load.c 1999/06/03 12:44:49 1.2
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@@ -48,7 +48,8 @@
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#if !defined(SUNOS4) && !defined(SUNOS5DL) && !defined(IRIX5) && \
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!defined(MSWIN32) && !(defined(ALPHA) && defined(OSF1)) && \
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!defined(HP_PA) && !(defined(LINUX) && defined(__ELF__)) && \
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- !defined(RS6000) && !defined(SCO_ELF)
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+ !defined(RS6000) && !defined(SCO_ELF) && \
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+ !(defined(NETBSD) && defined(POWERPC))
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--> We only know how to find data segments of dynamic libraries for the
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--> above. Additional SVR4 variants might not be too
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--> hard to add.
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@@ -260,14 +261,22 @@
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# endif /* !USE_PROC ... */
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# endif /* SUNOS */
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-#if defined(LINUX) && defined(__ELF__) || defined(SCO_ELF)
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+#if defined(LINUX) && defined(__ELF__) || defined(SCO_ELF) || \
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+ (defined(NETBSD) && defined(POWERPC))
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/* Dynamic loading code for Linux running ELF. Somewhat tested on
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* Linux/x86, untested but hopefully should work on Linux/Alpha.
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* This code was derived from the Solaris/ELF support. Thanks to
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* whatever kind soul wrote that. - Patrick Bridges */
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+#if defined(NETBSD)
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+#include <sys/exec_elf.h>
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+#define DT_DEBUG 21
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+#define PT_LOAD 1
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+#define PF_W 0x2
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+#else
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#include <elf.h>
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+#endif
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#include <link.h>
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/* Newer versions of Linux/Alpha and Linux/x86 define this macro. We
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Index: gc/gcconfig.h
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===================================================================
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RCS file: /cvsroot/w3m/gc/gcconfig.h,v
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retrieving revision 1.1.1.2
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retrieving revision 1.2
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diff -u -u -r1.1.1.2 -r1.2
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--- gc/gcconfig.h 1999/06/02 19:29:18 1.1.1.2
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+++ gc/gcconfig.h 1999/06/03 12:44:49 1.2
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@@ -48,6 +48,11 @@
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# define NETBSD
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# define mach_type_known
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# endif
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+# if defined(__NetBSD__) && defined(__powerpc__)
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+# define POWERPC
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+# define NETBSD
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+# define mach_type_known
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+# endif
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# if defined(vax)
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# define VAX
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# ifdef ultrix
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@@ -486,8 +491,8 @@
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# ifdef POWERPC
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# define MACH_TYPE "POWERPC"
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-# define ALIGNMENT 2
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# ifdef MACOS
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+# define ALIGNMENT 2
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# ifndef __LOWMEM__
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# include <LowMem.h>
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# endif
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@@ -497,6 +502,7 @@
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# define DATAEND /* not needed */
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# endif
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# ifdef LINUX
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+# define ALIGNMENT 2
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# define OS_TYPE "LINUX"
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# define HEURISTIC1
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# undef STACK_GRAN
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@@ -504,6 +510,14 @@
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# define DATASTART GC_data_start
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extern int _end;
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# define DATAEND (&_end)
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+# endif
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+# ifdef NETBSD
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+# define ALIGNMENT 4
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+# define OS_TYPE "NETBSD"
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+# define HEURISTIC2
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+ extern char etext;
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+# define DATASTART GC_data_start
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+# define DYNAMIC_LOADING
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# endif
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# endif
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Index: gc/misc.c
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===================================================================
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RCS file: /cvsroot/w3m/gc/misc.c,v
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retrieving revision 1.1.1.1
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retrieving revision 1.2
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diff -u -u -r1.1.1.1 -r1.2
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--- gc/misc.c 1999/06/02 19:23:56 1.1.1.1
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+++ gc/misc.c 1999/06/03 12:44:50 1.2
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@@ -433,6 +433,9 @@
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# if defined(LINUX) && defined(SPARC)
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GC_init_linuxsparc();
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# endif
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+# if defined(NETBSD) && defined(POWERPC)
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+ GC_init_netbsd_powerpc();
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+# endif
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# ifdef SOLARIS_THREADS
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GC_thr_init();
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/* We need dirty bits in order to find live stack sections. */
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Index: gc/os_dep.c
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===================================================================
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RCS file: /cvsroot/w3m/gc/os_dep.c,v
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retrieving revision 1.1.1.2
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retrieving revision 1.2
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diff -u -u -r1.1.1.2 -r1.2
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--- gc/os_dep.c 1999/06/02 19:29:10 1.1.1.2
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+++ gc/os_dep.c 1999/06/03 12:44:50 1.2
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@@ -84,6 +84,19 @@
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# include <machine/trap.h>
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#endif
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+#if defined(NETBSD) && defined(POWERPC)
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+ ptr_t GC_data_start;
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+
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+ void GC_init_netbsd_powerpc()
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+ {
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+ extern ptr_t GC_find_limit();
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+ extern char **environ;
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+ /* This may need to be environ, without the underscore, for */
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+ /* some versions. */
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+ GC_data_start = GC_find_limit((ptr_t)&environ, FALSE);
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+ }
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+#endif
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+
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#ifdef AMIGA
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# include <proto/exec.h>
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# include <proto/dos.h>
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