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Message-ID: <408FD4B0.1000706@gnu.org>
Date: Wed, 28 Apr 2004 15:58:00 -0000
From: Andrew Cagney <cagney@gnu.org>
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To: Randolph Chung <randolph@tausq.org>
Cc: gdb-patches@sources.redhat.com
Subject: Re: [patch/rfa] hppa-linux target, 2nd try
References: <20040424192614.GD2923@tausq.org>
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> 2004-04-24  Randolph Chung  <tausq@debian.org>
> 
> 	* configure.host (hppa*-*-linux*): New target.
> 	* configure.tgt (hppa*-*-linux*): Likewise.
> 	* hppa-tdep.c (hppa_gdbarch_init): Set cannot_fetch_register, move
> 	gdbarch_init_osabi() call earlier so that osabi-specific frame
> 	unwinders can be registered first.
> 	* config/djgpp/fnchange.lst: Add entries for hppa-linux-tdep.c and
> 	* config/pa/tm-hppa.h: Add definitions of some register numbers.
> 	* config/pa/linux.mh: New file.
> 	* config/pa/linux.mt: New file.
> 	* config/pa/nm-linux.h: New file.
> 	* config/pa/xm-linux.h: New file.
> 	* hppa-linux-nat.c: New file.
> 	* hppa-linux-tdep.c: New file.

This is all ok.

> +static struct insn_pattern hppa_sigtramp[] = {
> +  /* ldi 0, %r25 or ldi 1, %r25 */
> +  { 0x34190000, 0xfffffffd },
> +  /* ldi __NR_rt_sigreturn, %r20 */
> +  { 0x3414015a, 0xffffffff },
> +  /* be,l 0x100(%sr2, %r0), %sr0, %r31 */
> +  { 0xe4008200, 0xffffffff },
> +  /* nop */
> +  { 0x08000240, 0xffffffff },
> +  { 0, 0 }
> +};

hmm, perhaps the mask can be integrated into tramp-frame.[hc], anyone?

Andrew