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| From: | Dmitry Antipov |
| Subject: | Re: MS-Windows tester wanted for trunk |
| Date: | Tue, 16 Sep 2014 19:46:27 +0400 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.1 |
On 09/16/2014 06:31 PM, Eli Zaretskii wrote:
So, as suggested by that page, I marked the callback functions in w32font.c with '__attribute__((force_align_arg_pointer))', and then Emacs comes up normally. This attribute is available in GCC since v4.2.
From GCC manual, as of 4.8: -mstackrealign Realign the stack at entry. On the Intel x86, the -mstackrealign option generates an alternate prologue and epilogue that realigns the run-time stack if necessary. This supports mixing legacy codes that keep 4-byte stack alignment with modern codes that keep 16-byte stack alignment for SSE compatibility. See also the attribute "force_align_arg_pointer", applicable to individual functions. Dmitry
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