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From: Pietro Gagliardi <pietro10@mac.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
In-reply-to: <9b492a4ca1babd2743c6e3c8d03047ff@quanstro.net>
Date: Sun, 18 May 2008 08:36:25 -0400
References: <9b492a4ca1babd2743c6e3c8d03047ff@quanstro.net>
Subject: Re: [9fans] Linker weirdness? (was: Assembler weirdness?)
Topicbox-Message-UUID: ab0bcca0-ead3-11e9-9d60-3106f5b1d025

Thanks for the typing tip. It turns out that I used x+0(SB) instead of
x+0(FP) for some of the arguments to a functions. Now to test.

On May 18, 2008, at 8:02 AM, erik quanstrom wrote:

>> 8l -T0x100000 -o 8.out boot.8 cpuid.8 floppy.8 gdt.8 halt.8
>> harddisk.8 interrupt.8 jmtrue.8 keyboard.8 memory.8 multitask.8
>> onlyin.8 pci.8 syscall.8 time.8 timer.8 tone.8 video.8 x86.8 ../
>> port/libpgosport.a
>> initnonport: incompatible type signatures 4c81a129(gdt.8) and
>> 97da8762(x86.8) for initgdt
>> main: incompatible type signatures 4c81a129(timer.8) and
>> 951b2e20(../port/libpgosport.a(main)) for inittimer
>> simplelang: np: not defined
>> simplelang: apm: not defined
>> simplelang: gdt: not defined
>
> apoligies in advance for addressing the actual question.
>
> the default CFLAGS were changed recently on sources.  the -T flag
> was added to the
> defaults.  this adds type signatures to .$O files.  without -T type
> signatures are left
> blank.  the linker expects either all the signatures for a
> particular symbol to match
> or to be blank.
>
> incompatable signatures happen when the same external symbol is
> declared with
> different types in different source files.  the linker is picky.
> "uint" and "int" are not
> compatable.
>
> - erik
>
>