+/* x86-darwin-mkrospace.c - write a .o which makes sure we get our desired address range */
+
+#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 "sbcl.h"
+#include "runtime.h"
+
+#include "x86-darwin-spacelist.h"
+
+struct simple_object_file
+{
+ struct segment_command thesegment;
+ struct section thesection;
+};
+
+int main(int argc, char** argv)
+{
+ struct mach_header *theheader;
+ struct simple_object_file *theobj;
+ int fd, i;
+
+ /* Produce the mach header */
+ theheader = (struct mach_header*) malloc(sizeof(struct mach_header));
+ theheader->magic = MH_MAGIC;
+ theheader->cputype = CPU_TYPE_X86;
+ theheader->cpusubtype = CPU_SUBTYPE_I386_ALL;
+ theheader->filetype = MH_OBJECT;
+ theheader->ncmds = N_SEGMENTS_TO_PRODUCE;
+ theheader->sizeofcmds = N_SEGMENTS_TO_PRODUCE * (sizeof(struct segment_command) + sizeof(struct section));
+ theheader->flags = MH_NOUNDEFS;
+ printf("-Wl");
+ fd = open("x86-darwin-rospace.o", O_WRONLY | O_CREAT, 0644);
+ write(fd, theheader, sizeof(struct mach_header));
+
+ for (i = 0; i < N_SEGMENTS_TO_PRODUCE; i++) {
+ theobj = (struct simple_object_file*) malloc(sizeof(struct simple_object_file));
+ theobj->thesegment.cmd = LC_SEGMENT;
+ theobj->thesegment.cmdsize = sizeof(struct segment_command) + sizeof(struct section);
+ snprintf(theobj->thesegment.segname, 7, "SBCL%d", i);
+ theobj->thesegment.fileoff = sizeof(struct mach_header) + i * (sizeof(struct segment_command) + sizeof(struct section));
+ theobj->thesegment.vmaddr = space_start_locations[i];
+ theobj->thesegment.vmsize = 0;
+ theobj->thesegment.maxprot = VM_PROT_ALL;
+ theobj->thesegment.initprot = VM_PROT_ALL;
+ theobj->thesegment.nsects = 1;
+ theobj->thesegment.flags = 0;
+ snprintf(theobj->thesection.sectname, 7, "sect%d", i);
+ snprintf(theobj->thesection.segname, 7, "SBCL%d", i);
+ theobj->thesection.addr = space_start_locations[i];
+ theobj->thesection.size = 0;
+ theobj->thesection.offset = 0;
+ theobj->thesection.align = 0;
+ theobj->thesection.reloff = 0;
+ theobj->thesection.nreloc = 0;
+ theobj->thesection.flags = S_ZEROFILL | S_REGULAR | S_ATTR_SOME_INSTRUCTIONS;
+ theobj->thesection.reserved1 = 0;
+ theobj->thesection.reserved2 = 0;
+ write(fd, theobj, sizeof(struct simple_object_file));
+ printf(",-segaddr,SBCL%d,0x%x", i, space_start_locations[i]);
+ free(theobj);
+ }
+ printf("\n");
+ close(fd);
+ return 0;
+}