X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fbinfmt_aout.c;h=ba4cddb92f1ddf02330760e7b7614d7b261a5a64;hb=ec42418f1973e1f77da1fcca3be59c0acb878a9d;hp=517e111bb7ef4acbb94f95fb560cb4c2734f4d5b;hpb=c0341b0f47722fbe5ab45f436fc6ddc1c58c0a6f;p=linux-2.6

diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c
index 517e111bb7..ba4cddb92f 100644
--- a/fs/binfmt_aout.c
+++ b/fs/binfmt_aout.c
@@ -28,10 +28,11 @@
 #include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/cacheflush.h>
+#include <asm/a.out-core.h>
 
 static int load_aout_binary(struct linux_binprm *, struct pt_regs * regs);
 static int load_aout_library(struct file*);
-static int aout_core_dump(long signr, struct pt_regs * regs, struct file *file);
+static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit);
 
 static struct linux_binfmt aout_format = {
 	.module		= THIS_MODULE,
@@ -88,7 +89,7 @@ if (file->f_op->llseek) { \
  * dumping of the process results in another error..
  */
 
-static int aout_core_dump(long signr, struct pt_regs * regs, struct file *file)
+static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit)
 {
 	mm_segment_t fs;
 	int has_dumped = 0;
@@ -115,31 +116,27 @@ static int aout_core_dump(long signr, struct pt_regs * regs, struct file *file)
 	current->flags |= PF_DUMPCORE;
        	strncpy(dump.u_comm, current->comm, sizeof(dump.u_comm));
 #ifndef __sparc__
-	dump.u_ar0 = (void *)(((unsigned long)(&dump.regs)) - ((unsigned long)(&dump)));
+	dump.u_ar0 = offsetof(struct user, regs);
 #endif
 	dump.signal = signr;
-	dump_thread(regs, &dump);
+	aout_dump_thread(regs, &dump);
 
 /* If the size of the dump file exceeds the rlimit, then see what would happen
    if we wrote the stack, but not the data area.  */
 #ifdef __sparc__
-	if ((dump.u_dsize+dump.u_ssize) >
-	    current->signal->rlim[RLIMIT_CORE].rlim_cur)
+	if ((dump.u_dsize + dump.u_ssize) > limit)
 		dump.u_dsize = 0;
 #else
-	if ((dump.u_dsize+dump.u_ssize+1) * PAGE_SIZE >
-	    current->signal->rlim[RLIMIT_CORE].rlim_cur)
+	if ((dump.u_dsize + dump.u_ssize+1) * PAGE_SIZE > limit)
 		dump.u_dsize = 0;
 #endif
 
 /* Make sure we have enough room to write the stack and data areas. */
 #ifdef __sparc__
-	if ((dump.u_ssize) >
-	    current->signal->rlim[RLIMIT_CORE].rlim_cur)
+	if (dump.u_ssize > limit)
 		dump.u_ssize = 0;
 #else
-	if ((dump.u_ssize+1) * PAGE_SIZE >
-	    current->signal->rlim[RLIMIT_CORE].rlim_cur)
+	if ((dump.u_ssize + 1) * PAGE_SIZE > limit)
 		dump.u_ssize = 0;
 #endif
 
@@ -274,7 +271,7 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
 	if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != OMAGIC &&
 	     N_MAGIC(ex) != QMAGIC && N_MAGIC(ex) != NMAGIC) ||
 	    N_TRSIZE(ex) || N_DRSIZE(ex) ||
-	    i_size_read(bprm->file->f_dentry->d_inode) < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) {
+	    i_size_read(bprm->file->f_path.dentry->d_inode) < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) {
 		return -ENOEXEC;
 	}
 
@@ -323,7 +320,6 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
 	current->mm->free_area_cache = current->mm->mmap_base;
 	current->mm->cached_hole_size = 0;
 
-	current->mm->mmap = NULL;
 	compute_creds(bprm);
  	current->flags &= ~PF_FORKNOEXEC;
 #ifdef __sparc__
@@ -376,21 +372,17 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
 			 
 		flush_icache_range(text_addr, text_addr+ex.a_text+ex.a_data);
 	} else {
-		static unsigned long error_time, error_time2;
 		if ((ex.a_text & 0xfff || ex.a_data & 0xfff) &&
-		    (N_MAGIC(ex) != NMAGIC) && (jiffies-error_time2) > 5*HZ)
+		    (N_MAGIC(ex) != NMAGIC) && printk_ratelimit())
 		{
 			printk(KERN_NOTICE "executable not page aligned\n");
-			error_time2 = jiffies;
 		}
 
-		if ((fd_offset & ~PAGE_MASK) != 0 &&
-		    (jiffies-error_time) > 5*HZ)
+		if ((fd_offset & ~PAGE_MASK) != 0 && printk_ratelimit())
 		{
 			printk(KERN_WARNING 
 			       "fd_offset is not page aligned. Please convert program: %s\n",
-			       bprm->file->f_dentry->d_name.name);
-			error_time = jiffies;
+			       bprm->file->f_path.dentry->d_name.name);
 		}
 
 		if (!bprm->file->f_op->mmap||((fd_offset & ~PAGE_MASK) != 0)) {
@@ -469,7 +461,7 @@ static int load_aout_library(struct file *file)
 	int retval;
 	struct exec ex;
 
-	inode = file->f_dentry->d_inode;
+	inode = file->f_path.dentry->d_inode;
 
 	retval = -ENOEXEC;
 	error = kernel_read(file, 0, (char *) &ex, sizeof(ex));
@@ -499,15 +491,13 @@ static int load_aout_library(struct file *file)
 	start_addr =  ex.a_entry & 0xfffff000;
 
 	if ((N_TXTOFF(ex) & ~PAGE_MASK) != 0) {
-		static unsigned long error_time;
 		loff_t pos = N_TXTOFF(ex);
 
-		if ((jiffies-error_time) > 5*HZ)
+		if (printk_ratelimit())
 		{
 			printk(KERN_WARNING 
 			       "N_TXTOFF is not page aligned. Please convert library: %s\n",
-			       file->f_dentry->d_name.name);
-			error_time = jiffies;
+			       file->f_path.dentry->d_name.name);
 		}
 		down_write(&current->mm->mmap_sem);
 		do_brk(start_addr, ex.a_text + ex.a_data + ex.a_bss);