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gcc/libgcc/config/i386/t-sjlj-eh

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re PR target/38904 (Shared libgcc DLL violates Cygwin platform conventions.) PR target/38904 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass LIBRARY name in, instead of hard-coding it. * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an extra target make frag to tmake_files according to EH model. (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise. * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target frags that define makefile variable EH_MODEL appropriately. * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment. * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or to "-sjlj" according to type of EH configured. (LIBGCC_SONAME): Concatenate it to shared library base name. * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or to "_sjlj" according to type of EH configured. (LIBGCC_SONAME): Concatenate it to shared library base name. * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL. (SHLIB_LINK): Add missing semicolon to if-else construct. (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as string value of "pe_dll" command-line option. * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper. (SHLIB_SONAME): Use it when overriding t-cygming default. (SHLIB_IMPLIB): Override t-cygming default. (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as string value of "pe_dll" command-line option. From-SVN: r143829
2009-01-31 19:52:00 +01:00
# We are using SjLj EH.
EH_MODEL = sjlj
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