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Blackfin arch: fix trace output for FLAT binaries

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Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mike Frysinger 2007-05-21 18:09:19 +08:00 • committed by Linus Torvalds
parent 6784027096
commit 8a0e665603
1 changed files with 13 additions and 5 deletions
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18
arch/blackfin/kernel/traps.c
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@ -59,9 +59,10 @@ static int printk_address(unsigned long address)
struct vm_list_struct *vml; struct vm_list_struct *vml;
struct task_struct *p; struct task_struct *p;
struct mm_struct *mm; struct mm_struct *mm;
unsigned long offset;
#ifdef CONFIG_KALLSYMS #ifdef CONFIG_KALLSYMS
unsigned long offset = 0, symsize; unsigned long symsize;
const char *symname; const char *symname;
char *modname; char *modname;
char *delim = ":"; char *delim = ":";
@ -106,12 +107,19 @@ static int printk_address(unsigned long address)
sizeof(_tmpbuf)); sizeof(_tmpbuf));
} }
/* FLAT does not have its text aligned to the start of
* the map while FDPIC ELF does ...
*/
if (current->mm &&
(address > current->mm->start_code) &&
(address < current->mm->end_code))
offset = address - current->mm->start_code;
else
offset = (address - vma->vm_start) + (vma->vm_pgoff << PAGE_SHIFT);
write_unlock_irq(&tasklist_lock); write_unlock_irq(&tasklist_lock);
return printk("<0x%p> [ %s + 0x%lx ]", return printk("<0x%p> [ %s + 0x%lx ]",
(void*)address, name, (void*)address, name, offset);
(unsigned long)
((address - vma->vm_start) +
(vma->vm_pgoff << PAGE_SHIFT)));
} }
vml = vml->next; vml = vml->next;