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Separate tagged and untagged pointerless allocations

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Tagged allocations can move; untagged allocations cannot.

* libguile/gc-inline.h:
* libguile/gc-malloc.c:
* libguile/gc.h: Split scm_allocate_pointerless into tagged and untagged
variants.
* libguile/bitvectors.c:
* libguile/bytevectors.c:
* libguile/foreign.c:
* libguile/fports.c:
* libguile/integers.c:
* libguile/intrinsics.c:
* libguile/load.c:
* libguile/loader.c:
* libguile/numbers.c:
* libguile/programs.h:
* libguile/random.c:
* libguile/read.c:
* libguile/regex-posix.c:
* libguile/smob.c:
* libguile/strings.c:
* libguile/vm.c: Use the new functions.
This commit is contained in:
Andy Wingo 2025-07-03 10:10:20 +02:00
parent e21aa9c513
commit 8623e252bf
19 changed files with 85 additions and 72 deletions
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9
libguile/read.c
View file

@ -234,16 +234,17 @@ read_complete_token (SCM port, char *buffer, size_t buffer_size, size_t *read)
{
if (overflow_size == 0)
{
overflow_buffer = scm_allocate_pointerless (SCM_I_CURRENT_THREAD,
bytes_read);
overflow_buffer =
scm_allocate_untagged_pointerless (SCM_I_CURRENT_THREAD,
bytes_read);
memcpy (overflow_buffer, buffer, bytes_read);
overflow_size = bytes_read;
}
else
{
char *new_buf =
scm_allocate_pointerless (SCM_I_CURRENT_THREAD,
overflow_size + bytes_read);
scm_allocate_untagged_pointerless (SCM_I_CURRENT_THREAD,
overflow_size + bytes_read);
memcpy (new_buf, overflow_buffer, overflow_size);
memcpy (new_buf + overflow_size, buffer, bytes_read);