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Fix bug detected by GDB testsuite - when fetching registers more than 4

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bytes wide return 0 for the other bytes.
This commit is contained in:
Nick Clifton 2002-01-09 14:59:22 +00:00
parent b3ca3a6a1f
commit 272fcdcd59
2 changed files with 19 additions and 5 deletions
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5
sim/arm/ChangeLog
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@ -1,3 +1,8 @@
2002-01-09 Nick Clifton <nickc@cambridge.redhat.com>
* wrapper.c (sim_fetch_register): If fetching more than 4 bytes
return zeroes in the other words.
2001-11-16 Ben Harris <bjh21@netbsd.org>
* Makefile.in (armemu32.o): Replace $< with autoconf recommended

19
sim/arm/wrapper.c
View File

@ -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;
}