Re: [Tinycc-devel] forward asm symbols vs static

[grischka]

avih wrote:
> - tcc 64 fails the asm tests (again, all versions regardless of how it was 
> built).

Different calling convention on win64.  I'd suggest the attached
version which is more platform neutral.

-- gr

>     On Thursday, November 23, 2017 8:17 PM, grischka <address@hidden> wrote:
>  
>
>  I've seen a segfault under some other circumstances on linux 64.
>
> Using "lea str(%rip),%rdi" instead of "mov $str,%rdi" in asm-c-connect-1.c
> did fix it.  (I can't tell right now whether that is expected behavior or
> points to a bug though.)
>
> Also I noticed that apparently 'U' is a string prefix in newer gcc versions.
> (Don't know, maybe for unicode?).
>
> Btw, what about the "vide" hack on tccasm.c:1020 from commit 6afe668ec
> Can we delete it?
>
> Ciao,
>
> --- grischka

#include <stdio.h>

#if defined _WIN32 && !defined __TINYC__
# define _ "_"
#else
# define _
#endif

static int x1_c(void)
{
    printf("x1\n");
    return 1;
}

asm(".text;"_"x1: call "_"x1_c; ret");

int main(int argc, char *argv[])
{
    asm("call "_"x1");
    asm("call "_"x2");
    asm("call "_"x3");
    return 0;
}

static
int x2(void)
{
    printf("x2\n");
    return 2;
}

extern int x3(void);