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_concatenate
2019 Feb 18
2
lld-link fails to link 32bits assembly functions but 64bits pass
...PREFIX__ has been predefined by clang-cl, but it is defined as nothing. That is why my prefix macro expands to be nothing. Do you know why the clang-cl predefines the __USER_LABEL_PREFIX__ as nothing?
#ifndef __USER_LABEL_PREFIX__
#define __USER_LABEL_PREFIX__ _
#endif
#define _CONCATENATE(a, b) __CONCATENATE(a, b)
#define __CONCATENATE(a, b) a ## b
#define ASM_PFX(name) _CONCATENATE (__USER_LABEL_PREFIX__, name)
Thanks
Steven
> -----Original Message-----
> From: Martin Storsjö [mailto:martin at martin.st]
> Sent: Monday, February 18, 2019 3:29 PM
> To: Shi, Steven <steven.shi at intel....
2019 Feb 18
2
lld-link fails to link 32bits assembly functions but 64bits pass
Hi Rui, Peter,
You know I'm enabling the "clang-cl + lld-link" toolchain for Uefi firmware. I meet a problem that the lld-link fails to link 32bits assembly functions, but can link 64bits assembly functions successfully. I need your suggestion.
Below is an example to show my problem in linux. The example has two only source files: main.c and foo.nasm.
$ cat main.c
void Foo (void);