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92a7f46b09
A quick experiment reveals that this hack is needed for C code - simply removing this hack entirely breaks the build of libstdc++, since regs.h (more accurately, the cpu-specific header it pulls in) defines structs in terms of types from vxTypesOld. Those definitions are properly guarded by #ifndef _ASMLANGUAGE, but the cpu-files do not take care to include vxTypesOld.h for the types they depend on. But when using regs.h from some assembly file, the assembler chokes on the typedefs in vxTypesOld.h. We can fix that by guarding the include of vxTypesOld by !_ASMLANGUAGE. This should not affect existing C code. Now, the OS' regs.h contains preprocessor conditionals such as #if CPU_FAMILY==I960 ... #endif /* CPU_FAMILY==I960 */ #if CPU_FAMILY==MC680X0 ... #endif /* CPU_FAMILY==MC680X0 */ Without definitions of CPU_FAMILY, I960 etc., these would all be true, which will not end well. Code using the fix-included regs.h automatically get vxCpu.h via a chain of includes from vxTypesOld.h, but we can make regs.h a little more self-contained for both C and asm users by doing an explicit include of vxCpu.h. From-SVN: r265187 |
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This directory contains the GNU Compiler Collection (GCC). The GNU Compiler Collection is free software. See the files whose names start with COPYING for copying permission. The manuals, and some of the runtime libraries, are under different terms; see the individual source files for details. The directory INSTALL contains copies of the installation information as HTML and plain text. The source of this information is gcc/doc/install.texi. The installation information includes details of what is included in the GCC sources and what files GCC installs. See the file gcc/doc/gcc.texi (together with other files that it includes) for usage and porting information. An online readable version of the manual is in the files gcc/doc/gcc.info*. See http://gcc.gnu.org/bugs/ for how to report bugs usefully. Copyright years on GCC source files may be listed using range notation, e.g., 1987-2012, indicating that every year in the range, inclusive, is a copyrightable year that could otherwise be listed individually.