From 272fcdcd59514699222bc34f9eb4ec6478ad7039 Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Wed, 9 Jan 2002 14:59:22 +0000 Subject: [PATCH] Fix bug detected by GDB testsuite - when fetching registers more than 4 bytes wide return 0 for the other bytes. --- sim/arm/ChangeLog | 5 +++++ sim/arm/wrapper.c | 19 ++++++++++++++----- 2 files changed, 19 insertions(+), 5 deletions(-) diff --git a/sim/arm/ChangeLog b/sim/arm/ChangeLog index 901d52e85b5..8bd0502b328 100644 --- a/sim/arm/ChangeLog +++ b/sim/arm/ChangeLog @@ -1,3 +1,8 @@ +2002-01-09 Nick Clifton + + * wrapper.c (sim_fetch_register): If fetching more than 4 bytes + return zeroes in the other words. + 2001-11-16 Ben Harris * Makefile.in (armemu32.o): Replace $< with autoconf recommended diff --git a/sim/arm/wrapper.c b/sim/arm/wrapper.c index 877f7fbfd6f..0c49666aec9 100644 --- a/sim/arm/wrapper.c +++ b/sim/arm/wrapper.c @@ -220,6 +220,10 @@ sim_create_inferior (sd, abfd, argv, env) /* We wouldn't set the machine type with earlier toolchains, so we explicitly select a processor capable of supporting all ARMs in 32bit mode. */ + case bfd_mach_arm_XScale: + ARMul_SelectProcessor (state, ARM_v5_Prop | ARM_v5e_Prop | ARM_XScale_Prop); + break; + case bfd_mach_arm_5: case bfd_mach_arm_5T: ARMul_SelectProcessor (state, ARM_v5_Prop); @@ -229,10 +233,6 @@ sim_create_inferior (sd, abfd, argv, env) ARMul_SelectProcessor (state, ARM_v5_Prop | ARM_v5e_Prop); break; - case bfd_mach_arm_XScale: - ARMul_SelectProcessor (state, ARM_v5_Prop | ARM_v5e_Prop | ARM_XScale_Prop); - break; - case bfd_mach_arm_4: case bfd_mach_arm_4T: ARMul_SelectProcessor (state, ARM_v4_Prop); @@ -395,7 +395,16 @@ sim_fetch_register (sd, rn, memory, length) regval = ARMul_GetCPSR (state); else regval = 0; /* FIXME: should report an error */ - tomem (state, memory, regval); + + while (length) + { + tomem (state, memory, regval); + + length -= 4; + memory += 4; + regval = 0; + } + return -1; } -- 2.30.2