mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 07:22:33 +00:00
d21ac4e457
Release Notes: https://sourceware.org/git/?p=valgrind.git;a=blob;f=NEWS;h=f11da4be88687b8768268953253ddba13184bedf;hb=bd4db67b1d386c352040b1d8fab82f5f3340fc59 Refresh patch: - 30-mips_fix_soft_float.patch Signed-off-by: Nick Hainke <vincent@systemli.org>
69 lines
2.2 KiB
Diff
69 lines
2.2 KiB
Diff
Disable the valgrind helpers which use MIPS floating point operations
|
|
when floating point support is deactivated in the toolchain.
|
|
|
|
The fix from this commit is not sufficient any more:
|
|
https://sourceware.org/git/?p=valgrind.git;a=commitdiff;h=869fcf2f6739f17b4eff36ec68f8dca826c8afeb
|
|
|
|
This fixes the following error message when compiling with a GCC 10 MIPS BE 32:
|
|
---------------------------------------------------------
|
|
../VEX/priv/guest_mips_helpers.c: In function 'mips_dirtyhelper_calculate_FCSR_fp32':
|
|
../VEX/priv/guest_mips_helpers.c:640:10: error: the register '$f21' cannot be clobbered in 'asm' for the current target
|
|
640 | ASM_VOLATILE_UNARY32_DOUBLE(round.w.d)
|
|
| ^
|
|
---------------------------------------------------------
|
|
|
|
--- a/VEX/priv/guest_mips_helpers.c
|
|
+++ b/VEX/priv/guest_mips_helpers.c
|
|
@@ -616,6 +616,7 @@ extern UInt mips_dirtyhelper_calculate_F
|
|
flt_op inst )
|
|
{
|
|
UInt ret = 0;
|
|
+#ifndef __mips_soft_float
|
|
#if defined(__mips__)
|
|
VexGuestMIPS32State* guest_state = (VexGuestMIPS32State*)gs;
|
|
UInt loFsVal, hiFsVal, loFtVal, hiFtVal;
|
|
@@ -698,6 +699,7 @@ extern UInt mips_dirtyhelper_calculate_F
|
|
break;
|
|
}
|
|
#endif
|
|
+#endif
|
|
return ret;
|
|
}
|
|
|
|
@@ -707,6 +709,7 @@ extern UInt mips_dirtyhelper_calculate_F
|
|
flt_op inst )
|
|
{
|
|
UInt ret = 0;
|
|
+#ifndef __mips_soft_float
|
|
#if defined(__mips__) && ((__mips == 64) || \
|
|
(defined(__mips_isa_rev) && (__mips_isa_rev >= 2)))
|
|
#if defined(VGA_mips32)
|
|
@@ -859,6 +862,7 @@ extern UInt mips_dirtyhelper_calculate_F
|
|
break;
|
|
}
|
|
#endif
|
|
+#endif
|
|
return ret;
|
|
}
|
|
|
|
--- a/coregrind/m_machine.c
|
|
+++ b/coregrind/m_machine.c
|
|
@@ -2109,6 +2109,7 @@ Bool VG_(machine_get_hwcaps)( void )
|
|
we are using alternative way to determine FP mode */
|
|
ULong result = 0;
|
|
|
|
+#ifndef __mips_soft_float
|
|
if (!VG_MINIMAL_SETJMP(env_unsup_insn)) {
|
|
__asm__ volatile (
|
|
".set push\n\t"
|
|
@@ -2126,6 +2127,9 @@ Bool VG_(machine_get_hwcaps)( void )
|
|
|
|
fpmode = (result != 0x3FF0000000000000ull);
|
|
}
|
|
+#else
|
|
+ fpmode = 0;
|
|
+#endif
|
|
}
|
|
|
|
if (fpmode != 0)
|