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* [SCM] master: Add 128-bit accessors for i386 XMM registers to libunwind; use.
@ 2007-12-11 15:18 cagney
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From: cagney @ 2007-12-11 15:18 UTC (permalink / raw)
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- Log -----------------------------------------------------------------
commit 6c23569523a01607cc228900d76331a5b91c3329
Author: Andrew Cagney <cagney@redhat.com>
Date: Tue Dec 11 10:04:02 2007 -0500
Add 128-bit accessors for i386 XMM registers to libunwind; use.
frysk-core/frysk/stack/ChangeLog
2007-12-10 Andrew Cagney <cagney@redhat.com>
* LibunwindRegisterMapFactory.java (IA32): Add XMM registers.
* TestRegs.java (testVectorRegisters()): Enable on IA-32.
frysk-imports/libunwind/ChangeLog
2007-12-10 Andrew Cagney <cagney@redhat.com>
* src/x86/Gregs.c (linux_scratch_loc): Add XMM registers.
(tdep_access_fpreg): Ditto.
* src/x86/regname.c: Add XMM registers.
* src/x86/is_fpreg.c: Include XMM0 .. XMM7 in floating point
registers.
* include/libunwind-x86.h (x86_regnum_t): Add UNW_X86_XMM0,
UNW_X86_XMM1, UNW_X86_XMM2, UNW_X86_XMM3, UNW_X86_XMM4,
UNW_X86_XMM5, UNW_X86_XMM7, UNW_X86_XMM7.
(unw_tdep_fpreg_t): Change to a union of possible values.
-----------------------------------------------------------------------
Summary of changes:
frysk-core/frysk/stack/ChangeLog | 3 +
.../frysk/stack/LibunwindRegisterMapFactory.java | 13 ++++-
frysk-core/frysk/stack/TestRegs.java | 4 --
frysk-imports/libunwind/ChangeLog | 12 +++++
frysk-imports/libunwind/include/libunwind-x86.h | 17 +++++++-
frysk-imports/libunwind/src/x86/Gregs.c | 19 ++++++++
frysk-imports/libunwind/src/x86/is_fpreg.c | 3 +-
frysk-imports/libunwind/src/x86/regname.c | 4 +-
frysk-sys/lib/unwind/cni/UnwindH.hxx | 45 ++++++++++----------
9 files changed, 87 insertions(+), 33 deletions(-)
First 500 lines of diff:
diff --git a/frysk-core/frysk/stack/ChangeLog b/frysk-core/frysk/stack/ChangeLog
index cf5f5d6..fca7953 100644
--- a/frysk-core/frysk/stack/ChangeLog
+++ b/frysk-core/frysk/stack/ChangeLog
@@ -1,5 +1,8 @@
2007-12-10 Andrew Cagney <cagney@redhat.com>
+ * LibunwindRegisterMapFactory.java (IA32): Add XMM registers.
+ * TestRegs.java (testVectorRegisters()): Enable on IA-32.
+
* TestRegs.java (testFloatRegisters()): Enable on IA-32.
* LibunwindAddressSpace.java (accessReg(Number,byte[],boolean)):
Limit the transfer size to the register's size.
diff --git a/frysk-core/frysk/stack/LibunwindRegisterMapFactory.java b/frysk-core/frysk/stack/LibunwindRegisterMapFactory.java
index 51b65c1..0ba51b4 100644
--- a/frysk-core/frysk/stack/LibunwindRegisterMapFactory.java
+++ b/frysk-core/frysk/stack/LibunwindRegisterMapFactory.java
@@ -67,7 +67,7 @@ public class LibunwindRegisterMapFactory {
.add(IA32Registers.EIP, UnwindRegistersX86.EIP)
.add(IA32Registers.EFLAGS, UnwindRegistersX86.EFLAGS)
.add(IA32Registers.TRAPS, UnwindRegistersX86.TRAPNO)
- // MMX registers
+ // Floating-point registers
.add(X87Registers.ST0, UnwindRegistersX86.ST0)
.add(X87Registers.ST1, UnwindRegistersX86.ST1)
.add(X87Registers.ST2, UnwindRegistersX86.ST2)
@@ -84,8 +84,15 @@ public class LibunwindRegisterMapFactory {
.add(X87Registers.EIP, UnwindRegistersX86.FIP)
.add(X87Registers.DP, UnwindRegistersX86.FEA)
.add(X87Registers.DS, UnwindRegistersX86.FDS)
- // SSE Registers
- //TODO: XMMx registers.
+ // XMMx registers.
+ .add(X87Registers.XMM0, UnwindRegistersX86.XMM0)
+ .add(X87Registers.XMM1, UnwindRegistersX86.XMM1)
+ .add(X87Registers.XMM2, UnwindRegistersX86.XMM2)
+ .add(X87Registers.XMM3, UnwindRegistersX86.XMM3)
+ .add(X87Registers.XMM4, UnwindRegistersX86.XMM4)
+ .add(X87Registers.XMM5, UnwindRegistersX86.XMM5)
+ .add(X87Registers.XMM6, UnwindRegistersX86.XMM6)
+ .add(X87Registers.XMM7, UnwindRegistersX86.XMM7)
//.add(IA32Registers.MXCSR, UnwindRegistersX86.MXCSR)
// Segment registers
.add(IA32Registers.GS, UnwindRegistersX86.GS)
diff --git a/frysk-core/frysk/stack/TestRegs.java b/frysk-core/frysk/stack/TestRegs.java
index 3a00ffc..415ebd4 100644
--- a/frysk-core/frysk/stack/TestRegs.java
+++ b/frysk-core/frysk/stack/TestRegs.java
@@ -69,8 +69,6 @@ public class TestRegs extends RegsCase {
// XXX: Delete this once the unresolved cases are fixed.
public void testFloatRegisters() {
-// if (isa() == ISA.IA32 && unresolved(4911))
-// return;
if (isa() == ISA.X8664 && unresolved(5195))
return;
super.testFloatRegisters();
@@ -78,8 +76,6 @@ public class TestRegs extends RegsCase {
// XXX: Delete this once the unresolved cases are fixed.
public void testVectorRegisters() {
- if (isa() == ISA.IA32 && unresolved(4911))
- return;
if (isa() == ISA.X8664 && unresolved(5195))
return;
super.testVectorRegisters();
diff --git a/frysk-imports/libunwind/ChangeLog b/frysk-imports/libunwind/ChangeLog
index 3e02b0d..04d85ee 100644
--- a/frysk-imports/libunwind/ChangeLog
+++ b/frysk-imports/libunwind/ChangeLog
@@ -1,3 +1,15 @@
+2007-12-11 Andrew Cagney <cagney@redhat.com>
+
+ * src/x86/Gregs.c (linux_scratch_loc): Add XMM registers.
+ (tdep_access_fpreg): Ditto.
+ * src/x86/regname.c: Add XMM registers.
+ * src/x86/is_fpreg.c: Include XMM0 .. XMM7 in floating point
+ registers.
+ * include/libunwind-x86.h (x86_regnum_t): Add UNW_X86_XMM0,
+ UNW_X86_XMM1, UNW_X86_XMM2, UNW_X86_XMM3, UNW_X86_XMM4,
+ UNW_X86_XMM5, UNW_X86_XMM7, UNW_X86_XMM7.
+ (unw_tdep_fpreg_t): Change to a union of possible values.
+
2007-12-11 Mark Wielaard <mwielaard@redhat.com>
* include/libunwind-common.h.in (unw_get_unwind_table): Add
diff --git a/frysk-imports/libunwind/include/libunwind-x86.h b/frysk-imports/libunwind/include/libunwind-x86.h
index 38664f9..1e321db 100644
--- a/frysk-imports/libunwind/include/libunwind-x86.h
+++ b/frysk-imports/libunwind/include/libunwind-x86.h
@@ -48,7 +48,11 @@ extern "C" {
typedef uint32_t unw_word_t;
typedef int32_t unw_sword_t;
-typedef long double unw_tdep_fpreg_t;
+typedef union {
+ struct { uint8_t b[4]; } val32;
+ struct { uint8_t b[10]; } val80;
+ struct { uint8_t b[16]; } val128;
+} unw_tdep_fpreg_t;
typedef enum
{
@@ -131,7 +135,16 @@ typedef enum
/* frame info (read-only) */
UNW_X86_CFA,
- UNW_TDEP_LAST_REG = UNW_X86_LDT,
+ UNW_X86_XMM0, /* scratch */
+ UNW_X86_XMM1, /* scratch */
+ UNW_X86_XMM2, /* scratch */
+ UNW_X86_XMM3, /* scratch */
+ UNW_X86_XMM4, /* scratch */
+ UNW_X86_XMM5, /* scratch */
+ UNW_X86_XMM6, /* scratch */
+ UNW_X86_XMM7, /* scratch */
+
+ UNW_TDEP_LAST_REG = UNW_X86_XMM7,
UNW_TDEP_IP = UNW_X86_EIP,
UNW_TDEP_SP = UNW_X86_CFA,
diff --git a/frysk-imports/libunwind/src/x86/Gregs.c b/frysk-imports/libunwind/src/x86/Gregs.c
index 68afd37..78cfabc 100644
--- a/frysk-imports/libunwind/src/x86/Gregs.c
+++ b/frysk-imports/libunwind/src/x86/Gregs.c
@@ -97,6 +97,17 @@ linux_scratch_loc (struct cursor *c, unw_regnum_t reg)
is_fpstate = 1;
off = LINUX_FPSTATE_XMM0_OFF + 8*(reg - UNW_X86_XMM0_lo);
break;
+ case UNW_X86_XMM0:
+ case UNW_X86_XMM1:
+ case UNW_X86_XMM2:
+ case UNW_X86_XMM3:
+ case UNW_X86_XMM4:
+ case UNW_X86_XMM5:
+ case UNW_X86_XMM6:
+ case UNW_X86_XMM7:
+ is_fpstate = 1;
+ off = LINUX_FPSTATE_XMM0_OFF + 16*(reg - UNW_X86_XMM0);
+ break;
case UNW_X86_FOP:
case UNW_X86_TSS:
@@ -235,6 +246,14 @@ tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp,
case UNW_X86_ST6:
case UNW_X86_ST7:
/* SSE fp registers */
+ case UNW_X86_XMM0:
+ case UNW_X86_XMM1:
+ case UNW_X86_XMM2:
+ case UNW_X86_XMM3:
+ case UNW_X86_XMM4:
+ case UNW_X86_XMM5:
+ case UNW_X86_XMM6:
+ case UNW_X86_XMM7:
case UNW_X86_XMM0_lo:
case UNW_X86_XMM0_hi:
case UNW_X86_XMM1_lo:
diff --git a/frysk-imports/libunwind/src/x86/is_fpreg.c b/frysk-imports/libunwind/src/x86/is_fpreg.c
index 6dc5640..8f1536d 100644
--- a/frysk-imports/libunwind/src/x86/is_fpreg.c
+++ b/frysk-imports/libunwind/src/x86/is_fpreg.c
@@ -29,5 +29,6 @@ PROTECTED int
unw_is_fpreg (int regnum)
{
return ((regnum >= UNW_X86_ST0 && regnum <= UNW_X86_ST7)
- || (regnum >= UNW_X86_XMM0_lo && regnum <= UNW_X86_XMM7_hi));
+ || (regnum >= UNW_X86_XMM0_lo && regnum <= UNW_X86_XMM7_hi)
+ || (regnum >= UNW_X86_XMM0 && regnum <= UNW_X86_XMM7));
}
diff --git a/frysk-imports/libunwind/src/x86/regname.c b/frysk-imports/libunwind/src/x86/regname.c
index 824e213..2228510 100644
--- a/frysk-imports/libunwind/src/x86/regname.c
+++ b/frysk-imports/libunwind/src/x86/regname.c
@@ -12,7 +12,9 @@ static const char *regname[] =
"xmm6_lo", "xmm6_hi", "xmm7_lo", "xmm7_hi",
"mxcsr",
"gs", "fs", "es", "ds", "ss", "cs",
- "tss", "ldt"
+ "tss", "ldt",
+ "cfi",
+ "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7",
};
PROTECTED const char *
diff --git a/frysk-sys/lib/unwind/cni/UnwindH.hxx b/frysk-sys/lib/unwind/cni/UnwindH.hxx
index e1cc430..64890f5 100644
--- a/frysk-sys/lib/unwind/cni/UnwindH.hxx
+++ b/frysk-sys/lib/unwind/cni/UnwindH.hxx
@@ -299,20 +299,21 @@ lib::unwind::TARGET::getRegister(gnu::gcj::RawDataManaged* cursor,
unw_word_t w;
unw_fpreg_t fp;
} word;
+ int size;
if (unw_is_fpreg(regNum))
- {
- verifyBounds(offset, length, bytes, start, sizeof(word.fp));
- status = unw_get_fpreg((::unw_cursor_t *) cursor,
- (::unw_regnum_t) regNum,
- &word.fp);
- }
+ size = sizeof(word.fp);
else
- {
- verifyBounds(offset, length, bytes, start, sizeof(word.w));
- status = unw_get_reg((::unw_cursor_t *) cursor,
+ size = sizeof(word.w);
+ verifyBounds(offset, length, bytes, start, size);
+ if (unw_is_fpreg(regNum))
+ status = unw_get_fpreg((::unw_cursor_t *) cursor,
(::unw_regnum_t) regNum,
- &word.w);
- }
+ &word.fp);
+ else
+ status = unw_get_reg((::unw_cursor_t *) cursor,
+ (::unw_regnum_t) regNum,
+ &word.w);
+ printf("status=%d\n", status);
if (status != 0)
throwRuntimeException("get register failed");
memcpy(elements(bytes) + start, (uint8_t*)&word + offset, length);
@@ -330,20 +331,20 @@ lib::unwind::TARGET::setRegister(gnu::gcj::RawDataManaged* cursor,
unw_word_t w;
unw_fpreg_t fp;
} word;
+ int size;
if (unw_is_fpreg(regNum))
- {
- verifyBounds(offset, length, bytes, start, sizeof(word.fp));
- status = unw_get_fpreg((::unw_cursor_t *) cursor,
- (::unw_regnum_t) regNum,
- &word.fp);
- }
+ size = sizeof(word.fp);
else
- {
- verifyBounds(offset, length, bytes, start, sizeof(word.w));
- status = unw_get_reg((::unw_cursor_t *) cursor,
+ size = sizeof(word.w);
+ verifyBounds(offset, length, bytes, start, size);
+ if (unw_is_fpreg(regNum))
+ status = unw_get_fpreg((::unw_cursor_t *) cursor,
(::unw_regnum_t) regNum,
- &word.w);
- }
+ &word.fp);
+ else
+ status = unw_get_reg((::unw_cursor_t *) cursor,
+ (::unw_regnum_t) regNum,
+ &word.w);
if (status != 0)
throwRuntimeException("set register failed");
memcpy((uint8_t*)&word + offset, elements(bytes) + start, length);
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