Commit b82a189c authored by oharboe's avatar oharboe
Browse files

add check for target_read/write_buffer 32 bit wrap.

git-svn-id: svn://svn.berlios.de/openocd/trunk@875 b42882b7-edfa-0310-969c-e2dbd0fdcd60
parent 53590217
......@@ -969,13 +969,20 @@ int target_arch_state(struct target_s *target)
int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
{
int retval;
LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
if (!target->type->examined)
{
LOG_ERROR("Target not examined yet");
return ERROR_FAIL;
}
LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
if (address+size<address)
{
/* GDB can request this when e.g. PC is 0xfffffffc*/
LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
return ERROR_FAIL;
}
if (((address % 2) == 0) && (size == 2))
{
......@@ -1038,13 +1045,20 @@ int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buff
int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
{
int retval;
LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
if (!target->type->examined)
{
LOG_ERROR("Target not examined yet");
return ERROR_FAIL;
}
LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
if (address+size<address)
{
/* GDB can request this when e.g. PC is 0xfffffffc*/
LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
return ERROR_FAIL;
}
if (((address % 2) == 0) && (size == 2))
{
......
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