From: andrew@user2.teleport.com (Andrew Klossner)
To: help-gcc@gnu.org
Subject: Re: PowerPC Stack Frames
Date: Fri, 31 Dec 1999 22:24:00 -0000 [thread overview]
Message-ID: <82h88r$hjm$1@user2.teleport.com> (raw)
Message-ID: <19991231222400.NetkuS2a5ySLXs7NH1_Nto0HAzyUiGpIibn4K5FC-9U@z> (raw)
In-Reply-To: <82gpv3$bjn@sirius.develcon.com>
> I am using egcs-2.91.66 for a PowerPC. I would like
> some help understanding how registers and the stack are used
> on PowerPC with GCC.
It depends on which ABI you're using. If it's the EABI (Embedded):
You have to save GPR registers 0 and 3-12, LR, CTR, XER, and CR. If
the C routines you'll call use floating point, you must also save FP
registers 0-13 and FPSCR. The C routines will save/restore anything
else they use.
-=- Andrew Klossner (andrew@teleport.com)
next prev parent reply other threads:[~1999-12-31 22:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-12-06 9:05 Dick Ginther
1999-12-06 13:06 ` Andrew Klossner [this message]
1999-12-31 22:24 ` Andrew Klossner
1999-12-09 11:44 ` Frank Herold
1999-12-31 22:24 ` Frank Herold
1999-12-31 22:24 ` Dick Ginther
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