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- Log ----------------------------------------------------------------- commit bcb27939465ea192186d20aa8801db722dcb1bf4 Author: Raymond Toy toy.raymond@gmail.com Date: Wed Oct 15 19:19:37 2014 -0700
Remove darwin-lispadjuster.c and ppc-darwin-dlshim.c
Use of ppc-darwin-dlshim.c was removed, but I forgot to remove the file.
Use of darwin-lispadjuster.c has been commented out for a while, so I'm getting rid of it. It seems at one point it was needed to resize the CMUCLRO section in the lisp executable, but there is CMUCLRO section anymore.
darwin-lispadjuster.c: * Deleted
ppc-darwin-dlshim.c:
Config.ppc_darwin: * Remove Make rule for adjustlisp and friends. * Remove old commented out version of OS_SRC; we don't use ppc-darwin-dlshim.c anymore.
diff --git a/src/lisp/Config.ppc_darwin b/src/lisp/Config.ppc_darwin index dffa756..f9d64ef 100644 --- a/src/lisp/Config.ppc_darwin +++ b/src/lisp/Config.ppc_darwin @@ -39,7 +39,6 @@ ASFLAGS = $(OSX_VERSION) -traditional -g -O3 -DDARWIN -Dppc $(LINKAGE) $(GENCGC) UNDEFSYMPATTERN = -Xlinker -u -Xlinker & ASSEM_SRC = ppc-assem.S linux-stubs.S ARCH_SRC = ppc-arch.c -#OS_SRC = ppc-darwin-dlshim.c os-common.c Darwin-os.c OS_SRC = os-common.c Darwin-os.c
@@ -61,11 +60,3 @@ endif OS_LINK_FLAGS = $(OSX_VERSION) -static-libgcc OS_LIBS = -lSystem -lc -lm
-#all: adjustlisp -#adjustlisp: lisp darwin-lispadjuster -# ./darwin-lispadjuster lisp -#adjustlisp: lisp darwin-lispadjuster -# true - -#darwin-lispadjuster: darwin-lispadjuster.c - diff --git a/src/lisp/darwin-lispadjuster.c b/src/lisp/darwin-lispadjuster.c deleted file mode 100644 index a18768a..0000000 --- a/src/lisp/darwin-lispadjuster.c +++ /dev/null @@ -1,87 +0,0 @@ -/* Modify the final lisp binary to enlarge the generated CMUCLRO segment */ -#include <stdlib.h> -#include <string.h> -#include <mach-o/loader.h> -#include <sys/types.h> -#include <sys/uio.h> -#include <unistd.h> -#include <fcntl.h> -#include <stdio.h> -#include "validate.h" - -#ifdef DEBUG -#define dprintf printf -#else -#define dprintf(...) -#endif - -int -main(int argc, char **argv) -{ - char *filename; - int fd; - int i, result; - off_t curpos; - struct mach_header theheader; - struct segment_command thesegment; - char segname[17]; - - if (argc != 2) - return 1; - filename = argv[1]; - - fd = open(filename, O_RDWR, 0755); - read(fd, &theheader, sizeof(theheader)); - - if ((theheader.magic != MH_MAGIC) || (theheader.filetype != MH_EXECUTE)) - return 2; - - dprintf("Reading %d commands:\n", theheader.ncmds); - - for (i = 0; i < theheader.ncmds; i++) { - curpos = lseek(fd, 0, SEEK_CUR); - dprintf("Reading command %d (%d bytes):\n", i, - - sizeof(struct load_command)); - read(fd, &thesegment, sizeof(struct load_command)); - - dprintf("Command is %d, length %d\n", thesegment.cmd, - thesegment.cmdsize); - if (thesegment.cmd != LC_SEGMENT) { - dprintf("Skipping remainder of command...\n"); - lseek(fd, thesegment.cmdsize - sizeof(struct load_command), - - SEEK_CUR); - continue; - } - - dprintf("Reading remainder of Segment command (%d bytes)", - sizeof(thesegment) - sizeof(struct load_command)); - read(fd, &thesegment.segname, - - sizeof(thesegment) - sizeof(struct load_command)); - memset(segname, 0, 17); - memcpy(segname, thesegment.segname, 16); - dprintf("Segname: %s\n", segname); - if (0 == strncmp(thesegment.segname, "CMUCLRO", 7)) { - dprintf("Frobbing the segment, setting vmsize from %8X to %8X\n", - thesegment.vmsize, READ_ONLY_SPACE_SIZE); - thesegment.vmsize = READ_ONLY_SPACE_SIZE; - dprintf("Skipping back to %lld.\n", curpos); - lseek(fd, curpos, SEEK_SET); - dprintf("Writing %d bytes.\n", sizeof(thesegment)); - result = write(fd, &thesegment, sizeof(thesegment)); - if (result == -1) - perror("Error:"); - close(fd); - return 0; - } else { - dprintf("Cmdsize = %d, Already read = %d, Now seeking %d\n", - thesegment.cmdsize, sizeof(thesegment), - thesegment.cmdsize - sizeof(thesegment)); - lseek(fd, thesegment.cmdsize - sizeof(thesegment), SEEK_CUR); - } - } - close(fd); - return 3; -} diff --git a/src/lisp/ppc-darwin-dlshim.c b/src/lisp/ppc-darwin-dlshim.c deleted file mode 100644 index e6865cd..0000000 --- a/src/lisp/ppc-darwin-dlshim.c +++ /dev/null @@ -1,236 +0,0 @@ -/* - * These functions emulate a small subset of the dlopen / dlsym - * functionality under Darwin's Mach-O dyld system. - * - * This file was graciously taken from the SBCL OS X/Darwin port, for - * which it was originally written by Brian Mastenbrook: - */ - -/* - * This software is part of the SBCL system. See the README file for - * more information. - * - * This software is derived from the CMU CL system, which was - * written at Carnegie Mellon University and released into the - * public domain. The software is in the public domain and is - * provided with absolutely no warranty. See the COPYING and CREDITS - * files for more information. - */ - - -#include <mach-o/dyld.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -/* Darwin does not define the standard ELF - * dlopen/dlclose/dlsym/dlerror interface to shared libraries, so this - * is an attempt at a minimal wrapper to allow SBCL to work without - * external dependency on pogma's dlcompat library. - */ - -/* For now, there is no RTLD_GLOBAL emulation either. */ - -static char dl_self; /* I'm going to abuse this */ - -#define RTLD_LAZY 1 -#define RTLD_NOW 2 -#define RTLD_GLOBAL 0x100 - -static int callback_count; -static struct mach_header *last_header; - -void -dlshim_image_callback(struct mach_header *ptr, unsigned long phooey) -{ - callback_count++; - last_header = ptr; -} - -int -lib_path_count(void) -{ - char *libpath; - int i; - int count; - - libpath = getenv("DYLD_LIBRARY_PATH"); - count = 1; - if (libpath) { - for (i = 0; libpath[i] != '\0'; i++) { - if (libpath[i] == ':') - count++; - } - } - return count; -} - -const char * -lib_path_prefixify(int index, const char *filename) -{ - static char *retbuf = NULL; - int fi, li, i, count; - char *libpath; - - if (!retbuf) { - retbuf = (char *) malloc(1024 * sizeof(char)); - } - count = 0; - fi = 0; - li = -1; - libpath = getenv("DYLD_LIBRARY_PATH"); - if (libpath) { - i = 0; - while (count != index && libpath[i] != '\0') { - if (libpath[i] == ':') - count++; - i++; - } - fi = i; - while (libpath[i] != '\0' && libpath[i] != ':') { - i++; - } - li = i - 1; - } - if (li - fi > 0) { - if (li - fi + 1 > 1022 - strlen(filename)) { - retbuf = - (char *) realloc(retbuf, - - (li - fi + 3 + - strlen(filename)) * sizeof(char)); - } - memcpy(retbuf, libpath + fi, (li - fi + 1) * sizeof(char)); - - retbuf[li - fi + 1] = '/'; - memcpy(retbuf + li - fi + 2, filename, strlen(filename) + 1); - return retbuf; - } else { - return filename; - } -} - -void * -dlopen(const char *filename, int flags) -{ - static char has_callback = 0; - - if (!has_callback) { - _dyld_register_func_for_add_image(dlshim_image_callback); - } - if (!filename) { - return &dl_self; - } else { - struct mach_header *img = NULL; - - if (!img) - img = NSAddImage(filename, NSADDIMAGE_OPTION_RETURN_ON_ERROR); - if (!img) - img = - NSAddImage(filename, - NSADDIMAGE_OPTION_RETURN_ON_ERROR | - NSADDIMAGE_OPTION_WITH_SEARCHING); - if (!img) { - NSObjectFileImage fileImage; - - callback_count = 0; - last_header = NULL; - if (NSCreateObjectFileImageFromFile(filename, &fileImage) == - NSObjectFileImageSuccess) { - NSLinkModule(fileImage, filename, - NSLINKMODULE_OPTION_BINDNOW | - ((flags & RTLD_GLOBAL) ? - NSLINKMODULE_OPTION_PRIVATE : 0) | - NSLINKMODULE_OPTION_RETURN_ON_ERROR); - if (callback_count && last_header) - img = last_header; - } - } - if (!img) { - NSObjectFileImage fileImage; - int i, maxi; - char *prefixfilename; - - maxi = lib_path_count(); - for (i = 0; i < maxi && !img; i++) { - prefixfilename = lib_path_prefixify(i, filename); - callback_count = 0; - last_header = NULL; - if (NSCreateObjectFileImageFromFile(prefixfilename, &fileImage) - == NSObjectFileImageSuccess) { - NSLinkModule(fileImage, filename, - NSLINKMODULE_OPTION_BINDNOW | - ((flags & RTLD_GLOBAL) ? - NSLINKMODULE_OPTION_PRIVATE : 0) | - NSLINKMODULE_OPTION_RETURN_ON_ERROR); - if (callback_count && last_header) - img = last_header; - } - } - } - if (img) { - if (flags & RTLD_NOW) { - NSLookupSymbolInImage(img, "", - NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_FULLY | - NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR); - } - if (NSIsSymbolNameDefinedInImage(img, "__init")) { - NSSymbol *initsymbol; - void (*initfunc) (void); - - initsymbol = NSLookupSymbolInImage(img, "__init", 0); - initfunc = NSAddressOfSymbol(initsymbol); - initfunc(); - } - } - return img; - } -} - -const char * -dlerror(void) -{ - static char *errbuf = NULL; - NSLinkEditErrors a; - int b; - char *c, *d; - - NSLinkEditError(&a, &b, &c, &d); - if (!errbuf) { - errbuf = (char *) malloc(256 * sizeof(char)); - } - snprintf(errbuf, 255, "%s in %s: %d %d", c, d, a, b); - return errbuf; -} - -void * -dlsym(void *handle, char *symbol) -{ - if (handle == &dl_self) { - if (NSIsSymbolNameDefined(symbol)) { - NSSymbol *retsym; - - retsym = NSLookupAndBindSymbol(symbol); - return NSAddressOfSymbol(retsym); - } else { - return NULL; - } - } else { - if (NSIsSymbolNameDefinedInImage(handle, symbol)) { - NSSymbol *retsym; - - retsym = NSLookupSymbolInImage(handle, symbol, 0); - return NSAddressOfSymbol(retsym); - } else { - return NULL; - } - } -} - -int -dlclose(void *handle) -{ - /* dlclose is not implemented, and never will be for dylibs. - * return -1 to signal an error; it's not used by SBCL anyhow */ - return -1; -}
-----------------------------------------------------------------------
Summary of changes: src/lisp/Config.ppc_darwin | 9 -- src/lisp/darwin-lispadjuster.c | 87 --------------- src/lisp/ppc-darwin-dlshim.c | 236 ---------------------------------------- 3 files changed, 332 deletions(-) delete mode 100644 src/lisp/darwin-lispadjuster.c delete mode 100644 src/lisp/ppc-darwin-dlshim.c
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Raymond Toy