[Bug libc/21029] glibc-2.23 (and later) fails to compile with -fno-omit-frame-pointer on i386

[0xe2.0x9a.0x9b at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=21029

--- Comment #5 from Jan Ziak (http://atom-symbol.net) <0xe2.0x9a.0x9b at gmail dot com> ---
(In reply to Jan Ziak (http://atom-symbol.net) from comment #3)
> The best solution is the update the definition of INTERNAL_SYSCALL with
> something like this:
> 
>     LOADREGS_##nr(args)
>     asm volatile (
>     PUSHREGS_ASM_##nr(args)
>     "call *%%gs:%P2"
>     POPREGS_ASM_##nr
>     : "=a" (resultvar)
> 
> #define PUSHREGS_ASM_5(args...) "" // empty
> #define PUSHREGS_ASM_6(args...) "push %%ebp; mov arg6, %%ebp;"
> 
> #define POPREGS_ASM_5 "" // empty
> #define POPREGS_ASM_6 "pop %%ebp"

#define PUSHREGS_ASM_6(args...) "pushl arg6; push %%ebp; mov 4(%%esp), %%ebp;"

#define POPREGS_ASM_6 "pop %%ebp; add $4, %%esp"

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