diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/buffer.c | 4 | ||||
| -rw-r--r-- | src/lisp.h | 14 | ||||
| -rw-r--r-- | src/thread.c | 2 |
3 files changed, 12 insertions, 8 deletions
diff --git a/src/buffer.c b/src/buffer.c index 15735a298ad..edeed55e8be 100644 --- a/src/buffer.c +++ b/src/buffer.c @@ -61,7 +61,7 @@ struct buffer *all_buffers; Setting the default value also goes through the alist of buffers and stores into each buffer that does not say it has a local value. */ -struct buffer GCALIGNED buffer_defaults; +struct GCALIGNED buffer buffer_defaults; /* This structure marks which slots in a buffer have corresponding default values in buffer_defaults. @@ -84,7 +84,7 @@ struct buffer buffer_local_flags; /* This structure holds the names of symbols whose values may be buffer-local. It is indexed and accessed in the same way as the above. */ -struct buffer GCALIGNED buffer_local_symbols; +struct GCALIGNED buffer buffer_local_symbols; /* Return the symbol of the per-buffer variable at offset OFFSET in the buffer structure. */ diff --git a/src/lisp.h b/src/lisp.h index 1ce32f33420..e3262ad40f3 100644 --- a/src/lisp.h +++ b/src/lisp.h @@ -277,10 +277,14 @@ DEFINE_GDB_SYMBOL_END (VALMASK) error !; #endif -/* Declare an object to have an address that is a multiple of - GCALIGNMENT. This is a no-op if the object's natural alignment is - already a multiple of GCALIGNMENT. alignas is not suitable here, - as it fails if the object's natural alignment exceeds GCALIGNMENT. */ +/* Use GCALIGNED immediately after the 'struct' keyword to require the + struct to have an address that is a multiple of GCALIGNMENT. This + is a no-op if the struct's natural alignment is already a multiple + of GCALIGNMENT. GCALIGNED's implementation uses the 'aligned' + attribute instead of 'alignas (GCALIGNMENT)', as the latter would + fail if an object's natural alignment exceeds GCALIGNMENT. The + implementation hopes that natural alignment suffices on platforms + lacking 'aligned'. */ #ifdef HAVE_STRUCT_ATTRIBUTE_ALIGNED # define GCALIGNED __attribute__ ((aligned (GCALIGNMENT))) #else @@ -2941,7 +2945,7 @@ CHECK_NUMBER_CDR (Lisp_Object x) /* This version of DEFUN declares a function prototype with the right arguments, so we can catch errors with maxargs at compile-time. */ #define DEFUN(lname, fnname, sname, minargs, maxargs, intspec, doc) \ - static struct Lisp_Subr GCALIGNED sname = \ + static struct GCALIGNED Lisp_Subr sname = \ { { PVEC_SUBR << PSEUDOVECTOR_AREA_BITS }, \ { .a ## maxargs = fnname }, \ minargs, maxargs, lname, intspec, 0}; \ diff --git a/src/thread.c b/src/thread.c index 03f5b31855e..7335833cf94 100644 --- a/src/thread.c +++ b/src/thread.c @@ -26,7 +26,7 @@ along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */ #include "coding.h" #include "syssignal.h" -static struct thread_state GCALIGNED main_thread; +static struct GCALIGNED thread_state main_thread; struct thread_state *current_thread = &main_thread; |