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commit 7f1dd9d5aec1f1fd4eb0ae3a311358a914f1d73f
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Author: Julian Seward <jseward@acm.org>
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Date: Tue Nov 20 10:18:29 2018 +0100
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get_otrack_shadow_offset_wrk for ppc32 and ppc64: add missing cases for XER_OV32, XER_CA32 and C_FPCC.
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The missing cases were discovered whilst testing fixes for bug 386945, but are
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otherwise unrelated to that bug.
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diff --git a/memcheck/mc_machine.c b/memcheck/mc_machine.c
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index 5ed101f..4ce746e 100644
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--- a/memcheck/mc_machine.c
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+++ b/memcheck/mc_machine.c
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@@ -120,11 +120,11 @@ static Int get_otrack_shadow_offset_wrk ( Int offset, Int szB )
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Int o = offset;
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tl_assert(sz > 0);
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-#if defined(VGA_ppc64be)
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+# if defined(VGA_ppc64be)
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tl_assert(host_is_big_endian());
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-#elif defined(VGA_ppc64le)
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+# elif defined(VGA_ppc64le)
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tl_assert(host_is_little_endian());
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-#endif
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+# endif
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if (sz == 8 || sz == 4) {
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/* The point of this is to achieve
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@@ -132,11 +132,11 @@ static Int get_otrack_shadow_offset_wrk ( Int offset, Int szB )
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return GOF(GPRn);
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by testing ox instead of o, and setting ox back 4 bytes when sz == 4.
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*/
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-#if defined(VGA_ppc64le)
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+# if defined(VGA_ppc64le)
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Int ox = o;
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-#else
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+# else
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Int ox = sz == 8 ? o : (o - 4);
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-#endif
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+# endif
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if (ox == GOF(GPR0)) return ox;
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if (ox == GOF(GPR1)) return ox;
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if (ox == GOF(GPR2)) return ox;
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@@ -240,11 +240,13 @@ static Int get_otrack_shadow_offset_wrk ( Int offset, Int szB )
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if (o == GOF(VSR31) && sz == 8) return o;
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/* For the various byte sized XER/CR pieces, use offset 8
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- in VSR0 .. VSR19. */
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+ in VSR0 .. VSR21. */
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tl_assert(SZB(VSR0) == 16);
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if (o == GOF(XER_SO) && sz == 1) return 8 +GOF(VSR0);
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if (o == GOF(XER_OV) && sz == 1) return 8 +GOF(VSR1);
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+ if (o == GOF(XER_OV32) && sz == 1) return 8 +GOF(VSR20);
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if (o == GOF(XER_CA) && sz == 1) return 8 +GOF(VSR2);
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+ if (o == GOF(XER_CA32) && sz == 1) return 8 +GOF(VSR21);
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if (o == GOF(XER_BC) && sz == 1) return 8 +GOF(VSR3);
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if (o == GOF(CR0_321) && sz == 1) return 8 +GOF(VSR4);
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@@ -388,6 +390,7 @@ static Int get_otrack_shadow_offset_wrk ( Int offset, Int szB )
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if (o == GOF(IP_AT_SYSCALL) && sz == 4) return -1; /* slot unused */
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if (o == GOF(FPROUND) && sz == 1) return -1;
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if (o == GOF(DFPROUND) && sz == 1) return -1;
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+ if (o == GOF(C_FPCC) && sz == 1) return -1;
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if (o == GOF(VRSAVE) && sz == 4) return -1;
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if (o == GOF(EMNOTE) && sz == 4) return -1;
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if (o == GOF(CMSTART) && sz == 4) return -1;
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@@ -440,11 +443,13 @@ static Int get_otrack_shadow_offset_wrk ( Int offset, Int szB )
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if (o == GOF(VSR31) && sz == 8) return o;
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/* For the various byte sized XER/CR pieces, use offset 8
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- in VSR0 .. VSR19. */
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+ in VSR0 .. VSR21. */
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tl_assert(SZB(VSR0) == 16);
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if (o == GOF(XER_SO) && sz == 1) return 8 +GOF(VSR0);
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if (o == GOF(XER_OV) && sz == 1) return 8 +GOF(VSR1);
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+ if (o == GOF(XER_OV32) && sz == 1) return 8 +GOF(VSR20);
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if (o == GOF(XER_CA) && sz == 1) return 8 +GOF(VSR2);
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+ if (o == GOF(XER_CA32) && sz == 1) return 8 +GOF(VSR21);
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if (o == GOF(XER_BC) && sz == 1) return 8 +GOF(VSR3);
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if (o == GOF(CR0_321) && sz == 1) return 8 +GOF(VSR4);
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