# man gcc|col-b|grep c++17c++17GNUdialectof-std=c++17.The name gnu++1z is deprecated.This flag is enabled bydefaultfor-std=c++17.argumentsasan argumentfora template template parameterwithfewer template parameters.This flag is enabled bydefaultfor-std=c++17.adoptedfor...
-fd-lines-as-comments 将第一列为‘D’的行视作注释 -fdefault-double-8 将默认双精度种别设为 8 字节宽 -fdefault-integer-8 将默认整数种别设为 8 字节宽 -fdefault-real-8 将默认实型种别设为 8 字节宽 -fdollar-ok 允许在实体名中使用美元符号 -fdump-core 不起作用。为向前兼容保留的选项。
checking whetherlnworks...yeschecking whetherln-s works...yescheckingforgcc... gcc checkingforC compiler default output file name... a.out checking whether the C compiler works...yeschecking whether we are cross compiling... no checkingforsuffix of executables... checkingforsuffix of object f...
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*/ extern int decode_reg_name_and_count (const char *, int *); extern void do_assemble_alias (tree, tree); extern void do_assemble_symver (tree, tree); extern void default_assemble_visibility (tree, int); /* Output a string of literal assembler code for an `asm' keyword used ...
-e 's/^#define BFD_DEFAULT_TARGET_SIZE \(32\|64\) *$/#define BFD_DEFAULT_TARGET_SIZE __WORDSIZE/' \ -e 's/^#define BFD_HOST_64BIT_LONG [01] *$/#define BFD_HOST_64BIT_LONG (__WORDSIZE == 64)/' \ -e 's/^#define BFD_HOST_64_BIT \(long \)\?long *$/#if __WOR...
linux 可执行文件的分析(gcc GUN BUILEIN),1、GCCTheHistoryofGCC 1984年,RichardStallman发起了自由软件运动,GNU(Gnu'sNotUnix)项目应运而生,3年后,最初版的GCC横空出世,成为第一款可移植、可优化、支持ANSIC的开源C编译器。GCC最初的全名是GNUCCompiler,之后,随
1、GCC The History of GCC 1984年,Richard Stallman发起了自由软件运动,GNU (Gnu's Not Unix)项目应运而生,3年后,最初版的GCC横空出世,成为第一款可移植、可优化、支持ANSI C的开源C编译器。 GCC最初的全名是GNU C Compiler,之后,随着GCC支持的语言越来越多
也可以在程序内指定特定版本的别名符号true,程序如下, __asm__ .symver true,true@VER1.0 ; int true ; int main printf %d , true ; $ gcc app.c libb.so $ LD_LIBRARY_PATH . ./app 1 $ nm app | grep true U true@VER1.0 $ 显然,连接到了版本号为VER1.0的别名符号true.其中只有一个@表示...
-__asm__ (".symver __cpu_model, __cpu_model@GCC_4.8.0"); +#ifndef SHARED +int __cpu_indicator_init_local (void) + __attribute__ ((weak, alias ("__cpu_indicator_init"))); #endif diff --git a/libgcc/config/i386/t-linux b/libgcc/config/i386/t-linux index 11bb46e..4...