Ah, it was -malign-data, not -falign-data no wonder I didn't find it. DUH
-----Original Message----- From: Liu Hao [mailto:lh_mo...@126.com] Sent: Wednesday, August 02, 2017 11:54 AM To: mingw-w64-public@lists.sourceforge.net; Madalinski Piotr <piotr.madalin...@zf.com> Subject: Re: [Mingw-w64-public] FW: Section sizes too big in object files (possible bug?) On 2017/8/2 19:42, Madalinski Piotr wrote: > Hi all, > > I'm having trouble with getting correct section sizes under MinGW. > The example below demonstrates the issue: > > (... abridgement ...) > > Adding align(1) attribute to the data definition is a workaround, that fixes the problem, but due to external factors I want to avoid adding it, if possible. > This behavior looks as a bug to me, but I can't say for sure. > Anyhow - is there some other (than the align(1) attribute) approach that this behavior can be changed? Compiler option maybe? > `-malign-data=abi` shall fix the problem by minimizing the alignment requirement: ```plaintext E:\Desktop>gcc test.c -Wl,-s && objdump -h a.exe | grep -F test_sec grep: warning: GREP_OPTIONS is deprecated; please use an alias or script 2 test_sec 00000040 00404000 00404000 00001c00 2**5 E:\Desktop>gcc test.c -Wl,-s -malign-data=abi && objdump -h a.exe | grep -F test_sec grep: warning: GREP_OPTIONS is deprecated; please use an alias or script 2 test_sec 00000024 00404000 00404000 00001c00 2**2 ``` Reference: https://gcc.gnu.org/onlinedocs/gcc-7.1.0/gcc/x86-Options.html#x86-Options -- Best regards, LH_Mouse ---------------------------------------------------------------------------- -- Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Mingw-w64-public mailing list Mingw-w64-public@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mingw-w64-public ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Mingw-w64-public mailing list Mingw-w64-public@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
