diff options
Diffstat (limited to 'src/w32term.h')
| -rw-r--r-- | src/w32term.h | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/src/w32term.h b/src/w32term.h index 16b44b0ca2f..8d08ca0a2bf 100644 --- a/src/w32term.h +++ b/src/w32term.h @@ -22,13 +22,14 @@ along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */ #include "frame.h" #include "atimer.h" -/* Stack alignment stuff. Every CALLBACK function should have the - ALIGN_STACK attribute if it manipulates Lisp objects, because - Windows x86 32-bit ABI only guarantees 4-byte stack alignment, and - that is what we will get when a Windows function calls us. The - ALIGN_STACK attribute forces GCC to emit a preamble code to - re-align the stack at function entry. Further details about this - can be found in http://www.peterstock.co.uk/games/mingw_sse/. */ +/* Stack alignment stuff. Every CALLBACK and thread function should + have the ALIGN_STACK attribute if it manipulates Lisp objects, + because Windows x86 32-bit ABI only guarantees 4-byte stack + alignment, and that is what we will get when a Windows function + calls us. The ALIGN_STACK attribute forces GCC to emit a preamble + code to re-align the stack at function entry. Further details + about this can be found in + http://www.peterstock.co.uk/games/mingw_sse/. */ #ifdef __GNUC__ # if USE_STACK_LISP_OBJECTS && !defined _WIN64 && !defined __x86_64__ \ && __GNUC__ + (__GNUC_MINOR__ > 1) >= 5 |