PIC/no-PIC 与静态/动态链接的可执行文件没有很强的关系。理论上我们可以以任何方式将 PIC/非 PIC 与静态/动态链接的可执行文件结合起来。我注意到 gcc 手册中有一些有趣的选项,例如“-static”、“--static-pie”、“-fno-pic”、“-fpic”。我猜可能是: “-static”将生成无图片可
or when the shared library is linked to using dlopen, instead of deferring function call resolution to the point when the function is first called.设置这个参数表明在程序运行或者dlopen这个库的时候就将所有的动态符号加载并绑定
inline.c: In function ‘func’:inline.c:2: warning: function ‘func’ can never be inlined because it uses alloca (override using the always_inline attribute)inline.c: In function ‘main’:inline.c:2: warning: inlining failed in call to ‘func’: function not inlinableinline.c:11: warn...
These options are similar to -fpic and -fPIC, but the generated position-independent code can be only linked into executables. Usually these options are used to compile code that will be linked using the -pie GCC option. -fpie and -fPIE both define the macros __pie__ and __PIE__. The...
noreturn -mlong-calls -mno-long-calls -msingle-pic-base -mno-single-pic-base -mpic-register=reg -mnop-fun-dllimport -mpoke-function-name -mthumb -marm -mtpcs-frame -mtpcs-leaf-frame -mcaller-super-interworking -mcallee-super-interworking -mtp=name -mtls-dialect=dialect -mword-...
Steps to reproduce the issue $ spack spec -l gcc@11.4.0%gcc@14.2.0 - s4cbaf3 gcc@11.4.0%gcc@14.2.0+binutils+bootstrap~graphite~nvptx~piclibs~profiled~strip build_system=autotools build_type=RelWithDebInfo languages='c,c++,fortran' arch=l...
or equal to 8 bytes. The guards are initialized when a function is entered and then checked when the function exits. If a guard check fails, an error message is printed and the program exits. Only variables that are actually allocated ...
--enable-default-pie.- common.opt (fPIE): Initialize to -1. (fpie): Likewise. (no-pie): New option. (pie): Replace "Negative(shared)" with "Negative(no-pie)".- configure.ac: Add --enable-default-pie. (NO_PIE_CFLAGS): New. Check if -fno-PIE works. AC_SUBST. (NO_PIE_FLAG...
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By default, GCC allows code to callundeclared functions, treating them as returningint.-Werror=implicit-function-declarationturns such calls into errors. This avoids difficult-to-track-down run-time errors because the defaultintreturn type is not compatible withboolor pointers on many platforns. Fo...