Hi,
This is my first post, sorry if not in the right format.
I am stuck at a place where I have a code fragment that runs in normal gcc
but fails when I give -fplugin=dragonegg.so
extern int *testfunc();
extern __typeof (testfunc) testfunc __asm__ (""
"__GI_testfunc")
__attribute__ ((visibility ("hidden")));
extern __typeof(testfunc) __testfunc;
extern __typeof (__testfunc) __testfunc __asm__ (""
"__GI___testfunc")
__attribute__ ((visibility ("hidden")));
int *__testfunc()
{
return 0;
}
extern __typeof (__testfunc) __EI___testfunc __asm__(""
"__testfunc");
extern __typeof (__testfunc) __EI___testfunc __attribute__((alias (""
"__GI___testfunc")));
extern __typeof(__testfunc) testfunc __attribute__ ((weak, alias
("__testfunc")));
================================================
Thanks
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$ gcc -S test.c
$ cat test.s
.file "test.c"
.text
.globl __GI___testfunc
.hidden __GI___testfunc
.type __GI___testfunc, @function
__GI___testfunc:
.LFB0:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
movl $0, %eax
popq %rbp
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE0:
.size __GI___testfunc, .-__GI___testfunc
.globl __testfunc
.set __testfunc,__GI___testfunc
.weak __GI_testfunc
.hidden __GI_testfunc
.set __GI_testfunc,__testfunc
.ident "GCC: (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3"
.section .note.GNU-stack,"", at progbits
$ gcc -S test.c -fplugin=dragonegg.so
test.c:17:29: error: ‘*__GI_testfunc’ aliased to undefined symbol
‘__testfunc’
I am trying to compile this file using llvm as backend (dragonegg)
On Fri, Jan 25, 2013 at 10:45 PM, abhirup dutta <abyrupus at gmail.com>
wrote:
> Hi,
>
> This is my first post, sorry if not in the right format.
>
> I am stuck at a place where I have a code fragment that runs in normal gcc
> but fails when I give -fplugin=dragonegg.so
>
> extern int *testfunc();
>
> extern __typeof (testfunc) testfunc __asm__ (""
"__GI_testfunc")
> __attribute__ ((visibility ("hidden")));
>
> extern __typeof(testfunc) __testfunc;
>
> extern __typeof (__testfunc) __testfunc __asm__ (""
"__GI___testfunc")
> __attribute__ ((visibility ("hidden")));
>
> int *__testfunc()
> {
> return 0;
> }
>
> extern __typeof (__testfunc) __EI___testfunc __asm__(""
"__testfunc");
>
> extern __typeof (__testfunc) __EI___testfunc __attribute__((alias
(""
> "__GI___testfunc")));
> extern __typeof(__testfunc) testfunc __attribute__ ((weak, alias
> ("__testfunc")));
> ================================================>
> Thanks
>
--
Abhirup Dutta,
MTS, CPE team,
NetApp Sys Pvt Ltd
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Hi, On 26/01/13 04:45, abhirup dutta wrote:> Hi, > > This is my first post, sorry if not in the right format. > > I am stuck at a place where I have a code fragment that runs in normal gcc but > fails when I give -fplugin=dragonegg.soplease open a bug report in bugzilla (http://llvm.org/bugs/). Ciao, Duncan.> > extern int *testfunc(); > > extern __typeof (testfunc) testfunc __asm__ ("" "__GI_testfunc") __attribute__ > ((visibility ("hidden"))); > > extern __typeof(testfunc) __testfunc; > > extern __typeof (__testfunc) __testfunc __asm__ ("" "__GI___testfunc") > __attribute__ ((visibility ("hidden"))); > > int *__testfunc() > { > return 0; > } > > extern __typeof (__testfunc) __EI___testfunc __asm__("" "__testfunc"); > > extern __typeof (__testfunc) __EI___testfunc __attribute__((alias ("" > "__GI___testfunc"))); > extern __typeof(__testfunc) testfunc __attribute__ ((weak, alias ("__testfunc"))); > ================================================> > Thanks > > > _______________________________________________ > LLVM Developers mailing list > LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev >