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Re: Fix MIPS waitid build [committed]
- From: Roland McGrath <roland at hack dot frob dot com>
- To: Joseph Myers <joseph at codesourcery dot com>
- Cc: Rich Felker <dalias at libc dot org>, <libc-alpha at sourceware dot org>
- Date: Thu, 11 Dec 2014 10:00:55 -0800 (PST)
- Subject: Re: Fix MIPS waitid build [committed]
- Authentication-results: sourceware.org; auth=none
- References: <alpine dot DEB dot 2 dot 10 dot 1412101850280 dot 32166 at digraph dot polyomino dot org dot uk> <20141210193216 dot GS4574 at brightrain dot aerifal dot cx> <alpine dot DEB dot 2 dot 10 dot 1412102123570 dot 26602 at digraph dot polyomino dot org dot uk>
> A single asm adjusts the stack, puts arguments there, does the syscall and
> restores the stack. The frame pointer is needed to avoid the stack
> pointer adjustment breaking unwind info.
Or it could use .cfi_* directives inside the asm.