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Re: [ColdFire 46/63] Add support for unwinding through signal handlers

From: Roman Zippel <zippel at linux-m68k dot org>
To: Richard Sandiford <richard at codesourcery dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: Mon, 22 Jan 2007 18:16:31 +0100 (CET)
Subject: Re: [ColdFire 46/63] Add support for unwinding through signal handlers
References: <874pqzw4w1.fsf@firetop.home> <87r6u3qfn1.fsf_-_@firetop.home> <87mz4rqflk.fsf_-_@firetop.home> <87irffqfhc.fsf_-_@firetop.home> <87ejq3qffd.fsf_-_@firetop.home> <87ac0rqfc8.fsf_-_@firetop.home> <8764bfqf9w.fsf_-_@firetop.home> <871wm3qf7d.fsf_-_@firetop.home> <87wt3vp0ir.fsf_-_@firetop.home> <87slejp0f8.fsf_-_@firetop.home> <87odp7p0cu.fsf_-_@firetop.home> <87hcuzp0ai.fsf_-_@firetop.home> <87d55np074.fsf_-_@firetop.home> <878xgbp04p.fsf_-_@firetop.home> <874pqzp03m.fsf_-_@firetop.home> <87zm8rnlhd.fsf_-_@firetop.home> <87vejfnlg6.fsf_-_@firetop.home> <87r6u3nldz.fsf_-_@firetop.home> <87mz4rnlbz.fsf_-_@firetop.home> <87irffnlac.fsf_-_@firetop.home> <Pine.LNX.4.64.0701160222450.787@scrub.home> <87hcur4kg2.fsf@talisman.home>

Hi,

On Tue, 16 Jan 2007, Richard Sandiford wrote:

> In that case could you propose a counter-patch?

My version of this patch depends on another patch, but it's simple enough 
so I'll send that too. Both are part of the Debian gcc, so have been 
thoroughly tested there, although I added the ColdFire pieces from your 
patch.

bye, Roman

Follow-Ups:
- Re: [ColdFire 46/63] Add support for unwinding through signal handlers
  - From: Richard Sandiford

References:
- ColdFire submission
  - From: Richard Sandiford
- [middle-end, ColdFire 28/63] Change the canonical NaN representation
  - From: Richard Sandiford
- [ColdFire 29/63] Fix a movdf bug
  - From: Richard Sandiford
- [ColdFire 30/63] Fix rounding for ColdFire FPUs
  - From: Richard Sandiford
- [ColdFire 31/63] Fix rounding problems in fpgnulib.c
  - From: Richard Sandiford
- [ColdFire 32/63] Delete USE_RETURN_INSN
  - From: Richard Sandiford
- [ColdFire 33/63] Force an epilogue when restoring FPU registers
  - From: Richard Sandiford
- [ColdFire 34/63] Don't emit a nop after noreturn calls
  - From: Richard Sandiford
- [RTL, ColdFire 35/63] Expose dual %d0/%a0 return value in RTL
  - From: Richard Sandiford
- [ColdFire 36/63] Use RTL for prologues and epilogues
  - From: Richard Sandiford
- [ColdFire 37/63] Use RTL for prologues and epilogues
  - From: Richard Sandiford
- [ColdFire 38/63] Clean up handling of integer moves
  - From: Richard Sandiford
- [ColdFire 39/63] Fix mov3q handling
  - From: Richard Sandiford
- [ColdFire 40/63] Add more movsf_cf_soft alternatives
  - From: Richard Sandiford
- [ColdFire 41/63] Add support for the ff1 instruction
  - From: Richard Sandiford
- [ColdFire 42/63] Add support for sibling calls
  - From: Richard Sandiford
- [ColdFire 43/63] Use floating-point branches on ColdFire too
  - From: Richard Sandiford
- [ColdFire 44/63] Remove unncessary saves and restores of %a5
  - From: Richard Sandiford
- [ColdFire 45/63] Set TARGET_ASM_FILE_START_APP_OFF to false for GNU/Linux
  - From: Richard Sandiford
- [ColdFire 46/63] Add support for unwinding through signal handlers
  - From: Richard Sandiford
- Re: [ColdFire 46/63] Add support for unwinding through signal handlers
  - From: Roman Zippel
- Re: [ColdFire 46/63] Add support for unwinding through signal handlers
  - From: Richard Sandiford

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