X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fbinfmt_flat.c;h=33764fd6db66122ff36b52fba3ebf95f26d4a5d7;hb=df0f65f02a55888feae52a7e7d59d29f5edd400d;hp=861141b4f6d6f4cbbfcd96366074db8e4adbeaf3;hpb=c287ef1ff9296ddf707af6f9d355e1c3ffc243dd;p=linux-2.6-omap-h63xx.git

diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index 861141b4f6d..33764fd6db6 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -75,7 +75,7 @@ static int load_flat_shared_library(int id, struct lib_info *p);
 #endif
 
 static int load_flat_binary(struct linux_binprm *, struct pt_regs * regs);
-static int flat_core_dump(long signr, struct pt_regs * regs, struct file *file);
+static int flat_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit);
 
 static struct linux_binfmt flat_format = {
 	.module		= THIS_MODULE,
@@ -90,7 +90,7 @@ static struct linux_binfmt flat_format = {
  * Currently only a stub-function.
  */
 
-static int flat_core_dump(long signr, struct pt_regs * regs, struct file *file)
+static int flat_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit)
 {
 	printk("Process %s:%d received signr %d and should have core dumped\n",
 			current->comm, current->pid, (int) signr);
@@ -113,7 +113,7 @@ static unsigned long create_flat_tables(
 	char * p = (char*)pp;
 	int argc = bprm->argc;
 	int envc = bprm->envc;
-	char dummy;
+	char uninitialized_var(dummy);
 
 	sp = (unsigned long *) ((-(unsigned long)sizeof(char *))&(unsigned long) p);
 
@@ -290,7 +290,6 @@ out_free_buf:
 	kfree(buf);
 out_free:
 	kfree(strm.workspace);
-out:
 	return retval;
 }
 
@@ -459,7 +458,9 @@ static int load_flat_file(struct linux_binprm * bprm,
 		printk("BINFMT_FLAT: Loading file: %s\n", bprm->filename);
 
 	if (rev != FLAT_VERSION && rev != OLD_FLAT_VERSION) {
-		printk("BINFMT_FLAT: bad flat file version 0x%x (supported 0x%x and 0x%x)\n", rev, FLAT_VERSION, OLD_FLAT_VERSION);
+		printk("BINFMT_FLAT: bad flat file version 0x%x (supported "
+			"0x%lx and 0x%lx)\n",
+			rev, FLAT_VERSION, OLD_FLAT_VERSION);
 		ret = -ENOEXEC;
 		goto err;
 	}
@@ -515,7 +516,8 @@ static int load_flat_file(struct linux_binprm * bprm,
 	/*
 	 * calculate the extra space we need to map in
 	 */
-	extra = max(bss_len + stack_len, relocs * sizeof(unsigned long));
+	extra = max_t(unsigned long, bss_len + stack_len,
+			relocs * sizeof(unsigned long));
 
 	/*
 	 * there are a couple of cases here,  the separate code/data
@@ -546,7 +548,7 @@ static int load_flat_file(struct linux_binprm * bprm,
 			PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE, 0);
 		/* Remap to use all availabe slack region space */
 		if (realdatastart && (realdatastart < (unsigned long)-4096)) {
-			reallen = ksize(realdatastart);
+			reallen = ksize((void *)realdatastart);
 			if (reallen > len) {
 				realdatastart = do_mremap(realdatastart, len,
 					reallen, MREMAP_FIXED, realdatastart);
@@ -598,7 +600,7 @@ static int load_flat_file(struct linux_binprm * bprm,
 			PROT_READ | PROT_EXEC | PROT_WRITE, MAP_PRIVATE, 0);
 		/* Remap to use all availabe slack region space */
 		if (textpos && (textpos < (unsigned long) -4096)) {
-			reallen = ksize(textpos);
+			reallen = ksize((void *)textpos);
 			if (reallen > len) {
 				textpos = do_mremap(textpos, len, reallen,
 					MREMAP_FIXED, textpos);
@@ -742,6 +744,7 @@ static int load_flat_file(struct linux_binprm * bprm,
 	 * __start to address 4 so that is okay).
 	 */
 	if (rev > OLD_FLAT_VERSION) {
+		unsigned long persistent = 0;
 		for (i=0; i < relocs; i++) {
 			unsigned long addr, relval;
 
@@ -749,6 +752,8 @@ static int load_flat_file(struct linux_binprm * bprm,
 			   relocated (of course, the address has to be
 			   relocated first).  */
 			relval = ntohl(reloc[i]);
+			if (flat_set_persistent (relval, &persistent))
+				continue;
 			addr = flat_get_relocate_addr(relval);
 			rp = (unsigned long *) calc_reloc(addr, libinfo, id, 1);
 			if (rp == (unsigned long *)RELOC_FAILED) {
@@ -757,7 +762,8 @@ static int load_flat_file(struct linux_binprm * bprm,
 			}
 
 			/* Get the pointer's value.  */
-			addr = flat_get_addr_from_rp(rp, relval, flags);
+			addr = flat_get_addr_from_rp(rp, relval, flags,
+							&persistent);
 			if (addr != 0) {
 				/*
 				 * Do the relocation.  PIC relocs in the data section are