[02/13] gdb: remove use of alloca from auxv.c
Commit Message
Remove the last use of alloca from auxv.c and replace it with
gdb::byte_vector.
There should be no user visible changes after this commit.
---
gdb/auxv.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
@@ -86,7 +86,6 @@ ld_so_xfer_auxv (gdb_byte *readbuf,
struct type *ptr_type = builtin_type (target_gdbarch ())->builtin_data_ptr;
size_t ptr_size = ptr_type->length ();
size_t auxv_pair_size = 2 * ptr_size;
- gdb_byte *ptr_buf = (gdb_byte *) alloca (ptr_size);
LONGEST retval;
size_t block;
@@ -123,10 +122,11 @@ ld_so_xfer_auxv (gdb_byte *readbuf,
we might need a valgrind extension to make it work. This is PR
11440. */
- if (target_read_memory (pointer_address, ptr_buf, ptr_size) != 0)
+ gdb::byte_vector ptr_buf (ptr_size);
+ if (target_read_memory (pointer_address, ptr_buf.data (), ptr_size) != 0)
return TARGET_XFER_E_IO;
- data_address = extract_typed_address (ptr_buf, ptr_type);
+ data_address = extract_typed_address (ptr_buf.data (), ptr_type);
/* Possibly still not initialized such as during an inferior
startup. */
@@ -151,11 +151,11 @@ ld_so_xfer_auxv (gdb_byte *readbuf,
if (offset >= auxv_pair_size)
{
- if (target_read_memory (data_address - auxv_pair_size, ptr_buf,
+ if (target_read_memory (data_address - auxv_pair_size, ptr_buf.data (),
ptr_size) != 0)
return TARGET_XFER_E_IO;
- if (extract_typed_address (ptr_buf, ptr_type) == AT_NULL)
+ if (extract_typed_address (ptr_buf.data (), ptr_type) == AT_NULL)
return TARGET_XFER_EOF;
}