------- Additional Comments From hjl dot tools at gmail dot com 2010-01-05
15:48 -------
Both ld and gold fail with
---
[...@gnu-6 pr11133]$ cat test.c
struct obs_kernel_param {
long a;
long b;
int c;
};
extern struct obs_kernel_param const __start__init_setup[];
#define __setup_param(A, B, C) \
struct obs_kernel_param __setup_##A \
__attribute__((__section__("_init_setup"))) = { A, B, C }
__setup_param(0x11, 0x2, 0x3);
int
_start ()
{
return __start__init_setup != (struct obs_kernel_param *) 1;
}
[...@gnu-6 pr11133]$ make
cc -c -o test.o test.c
./ld -o bar test.o
./ld --gc-sections -o foo test.o
test.o: In function `_start':
test.c:(.text+0x5): undefined reference to `__start__init_setup'
make: *** [foo] Error 1
[...@gnu-6 pr11133]$
---
--
http://sourceware.org/bugzilla/show_bug.cgi?id=11133
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