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gdbstub: Ignore indexing warning with -Warray-bounds

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The current implementation can raise a warning as the compiler sees
an attempt to index an array with a size of zero. This can be fixed by
giving `gdb_mem_num_regions` a default value of zero, but this gets
flagged by CI checks. Disable the warning around the array access.

Signed-off-by: Robert Zieba <robertzieba@google.com>
This commit is contained in:
Robert Zieba 2024-02-28 10:30:12 -07:00 committed by Anas Nashif
parent 0bcf71e28a
commit 6049bbf4e0
1 changed files with 11 additions and 1 deletions
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12
subsys/debug/gdbstub.c
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@ -41,7 +41,7 @@ static bool not_first_start;
/* Empty memory region array */
__weak const struct gdb_mem_region gdb_mem_region_array[0];
/* Number of memory regions, default to 0 */
/* Number of memory regions */
__weak const size_t gdb_mem_num_regions;
/**
@ -55,6 +55,12 @@ __weak const size_t gdb_mem_num_regions;
* @return Pointer to the memory region description if found.
* NULL if not found.
*/
#if defined(__GNUC__)
#pragma GCC diagnostic push
/* Required due to gdb_mem_region_array having a default size of zero. */
#pragma GCC diagnostic ignored "-Warray-bounds"
#endif
static inline const
struct gdb_mem_region *find_memory_region(const uintptr_t addr, const size_t len)
{
@ -76,6 +82,10 @@ struct gdb_mem_region *find_memory_region(const uintptr_t addr, const size_t len
return ret;
}
#if defined(__GNUC__)
#pragma GCC diagnostic pop
#endif
bool gdb_mem_can_read(const uintptr_t addr, const size_t len, uint8_t *align)
{
bool ret = false;