f10f7a21d
Kang-Che Sung
2017-01-09
Subject
Allow FAST_FUNC to be overridden at build time
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include/platform.h+10 -5
| @@ -108,13 +108,18 @@ | |
| * and/or smaller by using modified ABI. It is usually only needed | |
| * on non-static, busybox internal functions. Recent versions of gcc | |
| * optimize statics automatically. FAST_FUNC on static is required | |
| - | * only if you need to match a function pointer's type */ |
| - | #if __GNUC_PREREQ(3,0) && defined(i386) /* || defined(__x86_64__)? */ |
| + | * only if you need to match a function pointer's type. |
| + | * FAST_FUNC may not work well with -flto so allow user to disable this. |
| + | * (-DFAST_FUNC= ) |
| + | */ |
| + | #ifndef FAST_FUNC |
| + | # if __GNUC_PREREQ(3,0) && defined(i386) |
| /* stdcall makes callee to pop arguments from stack, not caller */ | |
| - | # define FAST_FUNC __attribute__((regparm(3),stdcall)) |
| + | # define FAST_FUNC __attribute__((regparm(3),stdcall)) |
| /* #elif ... - add your favorite arch today! */ | |
| - | #else |
| - | # define FAST_FUNC |
| + | # else |
| + | # define FAST_FUNC |
| + | # endif |
| #endif | |
| /* Make all declarations hidden (-fvisibility flag only affects definitions) */ | |