OSO/TinyCC
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

support weak attribute on variables

Browse Source
This commit is contained in:
Joe Soroka
2011-02-01 00:37:53 -08:00
parent 6839382480
commit 4d5105c8f1
4 changed files with 29 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
tests/tcctest.c
View File

@ -82,6 +82,7 @@ void local_label_test(void);
void statement_expr_test(void);
void asm_test(void);
void builtin_test(void);
void weak_test(void);
int fib(int n);
void num(int n);
@ -537,6 +538,7 @@ int main(int argc, char **argv)
local_label_test();
asm_test();
builtin_test();
weak_test();
return 0;
}
@ -2227,6 +2229,22 @@ void builtin_test(void)
printf("res = %d\n", __builtin_constant_p(&constant_p_var));
printf("res = %d\n", __builtin_constant_p(constant_p_var));
}
extern int __attribute__((weak)) weak_f1(void);
extern int __attribute__((weak)) weak_f2(void);
extern int __attribute__((weak)) weak_v1;
extern int __attribute__((weak)) weak_v2;
void __attribute__((weak)) weak_test(void)
{
printf("weak_f1=%d\n", weak_f1 ? weak_f1() : 123);
printf("weak_f2=%d\n", weak_f2 ? weak_f2() : 123);
printf("weak_v1=%d\n",&weak_v1 ? weak_v1 : 123);
printf("weak_v2=%d\n",&weak_v2 ? weak_v2 : 123);
}
int __attribute__((weak)) weak_f2() { return 222; }
int __attribute__((weak)) weak_v2 = 222;
void const_func(const int a)