Vector VEC256 Especificações descarregar pdf (Página 170)

170 www.xilinx.com Embedded System Tools Guide (EDK 6.2i)

1-800-255-7778 UG111 (v1.4) January 30, 2004

Chapter 11: GNU Compiler Tools

Initialization files are searched in the following order

(1)

1. Directories passed to the compiler with the -B dir name option.

2. ${XILINX_EDK}/gnu/processor/sol/processor/lib

On Windows Xygwin Shell

The GNU compilers (mb-gcc and powerpc-eabi-gcc) search certain paths for libraries and

header files.

Libraries are searched in the following order:

1. Directories passed to the compiler with the -L dir name option.

2. Directories passed to the compiler with the -B dir name option.

3. %XILINX_EDK%/gnu/processor/nt/processor/lib

4. %XILINX_EDK%/lib/processor

Header files are searched in the following order:

1. Directories passed to the compiler with the -I dir name option.$

2. %XILINX_EDK%/gnu/processor/nt/processor/include

Initialization files are searched in the following order:

1. Directories passed to the compiler with the -B dir name option.

2. %XILINX_EDK%/gnu/processor/nt/processor/lib

File Extensions

The GNU compiler can determine the type of your file depending on the

extension.Table 11-4 illustrates the valid extension and the corresponding file type.The gcc

wrapper will call the appropriate lower level tools by recognizing these file types.

1. Initialization files such as crt0.o are searched by the compiler only for mb-gcc. For

powerpc-eabi-gcc, the C runtime library is a part of the library and is picked up by

default from the library libxil.a

Table 11-4: File Extensions

Extension File type

.c C File

.C C++ File

.cxx C++ File

.cpp C++ File

.c++ C++ File

.cc C++ File

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Vector VEC256 Especificações Página 170