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Add optional (define BUFFER_ALLOC_DEBUG to enable it) code to check for code overflowing buffer_alloc()-allocated buffers.

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Also add a panicf() if buffer_alloc() doesn't have enough space left to allocate a requested buffer


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28173 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Frank Gevaerts 2010-09-26 12:05:42 +00:00
parent 927a7bdb4b
commit 8ff4f1aec9
3 changed files with 94 additions and 3 deletions
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11
firmware/thread.c
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@ -27,6 +27,7 @@
#include "kernel.h"
#include "cpu.h"
#include "string.h"
#include "buffer.h"
#ifdef RB_PROFILE
#include <profile.h>
#endif
@ -1160,6 +1161,16 @@ void switch_thread(void)
if (UNLIKELY(thread->stack[0] != DEADBEEF) && thread->stack_size > 0)
thread_stkov(thread);
#ifdef BUFFER_ALLOC_DEBUG
/* Check if the current thread just did bad things with buffer_alloc()ed
* memory */
{
static char name[32];
thread_get_name(name, 32, thread);
buffer_alloc_check(name);
}
#endif
#if NUM_CORES > 1
/* Run any blocking operations requested before switching/sleeping */
run_blocking_ops(core, thread);