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From: pmuldoon@sourceware.org
To: frysk-cvs@sourceware.org
Subject: [SCM] master: Complete move to constructing GPR notes as byte buffers, not BigIntegers.
Date: Thu, 29 Nov 2007 09:40:00 -0000 [thread overview]
Message-ID: <20071129094059.24823.qmail@sourceware.org> (raw)
The branch, master has been updated
via ad3897b147d7d155b38ee9bb666c953b782a7fdd (commit)
from 2db907516bfc9f5f893e64b795ec2ffed349d6f8 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email.
- Log -----------------------------------------------------------------
commit ad3897b147d7d155b38ee9bb666c953b782a7fdd
Author: Phil Muldoon <pmuldoon@redhat.com>
Date: Thu Nov 29 09:40:51 2007 +0000
Complete move to constructing GPR notes as byte buffers, not BigIntegers.
2007-11-29 Phil Muldoon <pmuldoon@redhat.com>
* IA32LinuxElfCorefile.java(writeNotePrstatus): Construct
byte-ordered buffer for GP Registers. Do not use BigIntegers.
Account for wordSize with Registers < wordSize.
(bytesToBigInteger) Delete.
* X8664LinuxElfCorefile.java: Ditto.
* PPC32LinuxElfCorefile.java: Ditto.
* PPC64LinuxElfCorefile.java: Ditto.
2007-11-29 Phil Muldoon <pmuldoon@redhat.com>
* cni/ElfPrstatus.cxx (ElfPrstatus::fillMemRegion): Copy
buffer to structure, do not build buffer.
* ElfPrstatus.java (setPrGPRegisterBuffer): New.
(setPrGPReg): Delete.
(convertToLong): Delete.
(getPrGPRegIterator): Delete.
-----------------------------------------------------------------------
Summary of changes:
frysk-core/frysk/util/ChangeLog | 10 +++
frysk-core/frysk/util/IA32LinuxElfCorefile.java | 83 +++++++++++----------
frysk-core/frysk/util/PPC32LinuxElfCorefile.java | 77 ++++++++------------
frysk-core/frysk/util/PPC64LinuxElfCorefile.java | 85 +++++++++-------------
frysk-core/frysk/util/X8664LinuxElfCorefile.java | 62 ++++++++--------
frysk-sys/lib/dwfl/ChangeLog | 9 +++
frysk-sys/lib/dwfl/ElfPrstatus.java | 36 +---------
frysk-sys/lib/dwfl/cni/ElfPrstatus.cxx | 16 +----
8 files changed, 165 insertions(+), 213 deletions(-)
First 500 lines of diff:
diff --git a/frysk-core/frysk/util/ChangeLog b/frysk-core/frysk/util/ChangeLog
index d8feb8e..8e69317 100644
--- a/frysk-core/frysk/util/ChangeLog
+++ b/frysk-core/frysk/util/ChangeLog
@@ -1,3 +1,13 @@
+2007-11-29 Phil Muldoon <pmuldoon@redhat.com>
+
+ * IA32LinuxElfCorefile.java(writeNotePrstatus): Construct
+ byte-ordered buffer for GP Registers. Do not use BigIntegers.
+ Account for wordSize with Registers < wordSize.
+ (bytesToBigInteger) Delete.
+ * X8664LinuxElfCorefile.java: Ditto.
+ * PPC32LinuxElfCorefile.java: Ditto.
+ * PPC64LinuxElfCorefile.java: Ditto.
+
2007-11-28 Tim Moore <timoore@redhat.com>
* TestCountDownLatch.java (testTimeout): wrap time out await in
diff --git a/frysk-core/frysk/util/IA32LinuxElfCorefile.java b/frysk-core/frysk/util/IA32LinuxElfCorefile.java
index 7e6f17a..be6bdfc 100644
--- a/frysk-core/frysk/util/IA32LinuxElfCorefile.java
+++ b/frysk-core/frysk/util/IA32LinuxElfCorefile.java
@@ -42,7 +42,6 @@ package frysk.util;
import frysk.proc.Proc;
import frysk.proc.Task;
import inua.eio.ByteBuffer;
-import inua.eio.ByteOrder;
import lib.dwfl.ElfNhdr;
import lib.dwfl.ElfNhdrType;
@@ -59,7 +58,7 @@ import frysk.sys.proc.Stat;
import frysk.sys.proc.Status;
import frysk.isa.IA32Registers;
import frysk.isa.Register;
-import java.math.BigInteger;
+
/**
* LinuxElfCorefilex86. Extends LinuxCorefile. Fill in
@@ -181,32 +180,52 @@ public class IA32LinuxElfCorefile extends LinuxElfCorefile {
// are the names are the same. Create a string[] map to bridge
// gap between frysk and core file register order.
- Register[] ptraceRegisterMap = {IA32Registers.EBX,
- IA32Registers.ECX,
- IA32Registers.EDX,
- IA32Registers.ESI,
- IA32Registers.EDI,
- IA32Registers.EBP,
- IA32Registers.EAX,
- IA32Registers.DS,
- IA32Registers.ES,
- IA32Registers.FS,
- IA32Registers.GS,
- IA32Registers.ORIG_EAX,
- IA32Registers.EIP,
- IA32Registers.CS,
- IA32Registers.EFLAGS,
- IA32Registers.ESP,
- IA32Registers.SS};
+ Register[] ptraceRegisterMap = {
+ IA32Registers.EBX,
+ IA32Registers.ECX,
+ IA32Registers.EDX,
+ IA32Registers.ESI,
+ IA32Registers.EDI,
+ IA32Registers.EBP,
+ IA32Registers.EAX,
+ IA32Registers.DS,
+ IA32Registers.ES,
+ IA32Registers.FS,
+ IA32Registers.GS,
+ IA32Registers.ORIG_EAX,
+ IA32Registers.EIP,
+ IA32Registers.CS,
+ IA32Registers.EFLAGS,
+ IA32Registers.ESP,
+ IA32Registers.SS
+ };
// Set GP register info
+ int index = 0;
+ int arraySize = 0;
+ int regSize;
+ int wordSize = task.getISA().wordSize();
+
+ // Allocate space in array. Even though there are some registers < wordSize, they still have
+ // to sit in a wordSize area
+ for (int l = 0; l < ptraceRegisterMap.length; l++)
+ if (ptraceRegisterMap[l].getType().getSize() < wordSize)
+ arraySize +=wordSize;
+ else
+ arraySize +=ptraceRegisterMap[l].getType().getSize();
+
+ byte[] byteOrderedRegister= new byte[arraySize];
+
+ // Populate array, using wordSize as minimum size
for (int i = 0; i < ptraceRegisterMap.length; i++) {
- int registerSize = ptraceRegisterMap[i].getType().getSize();
- byte[] byteOrderedRegister = new byte[registerSize];
- task.access(ptraceRegisterMap[i], 0, registerSize, byteOrderedRegister, 0, false);
- prStatus.setPrGPReg(i,bytesToBigInteger(byteOrderedRegister));
+ regSize = ptraceRegisterMap[i].getType().getSize();
+ if (regSize < wordSize)
+ regSize = wordSize;
+ task.access(ptraceRegisterMap[i], 0, regSize, byteOrderedRegister, index, false);
+ index += regSize;
}
-
+
+ prStatus.setPrGPRegisterBuffer(byteOrderedRegister);
// Write it
nhdrEntry.setNhdrDesc(ElfNhdrType.NT_PRSTATUS, prStatus);
@@ -292,20 +311,4 @@ public class IA32LinuxElfCorefile extends LinuxElfCorefile {
return ElfEHeader.PHEADER_ELFCLASS32;
}
- // XXX: Function to convert bytes[] to BigInteger.
- // Will disappear when all BankRegisters are present on all
- // all architectures, and we can call task.access() on all
- // registers, and not convert to BigInteger.
- private BigInteger bytesToBigInteger(byte[] bytes)
- {
- if (this.process.getMainTask().getISA().order() == ByteOrder.LITTLE_ENDIAN) {
- for (int left = 0; left < bytes.length / 2; left++) {
- int right = bytes.length - 1 - left;
- byte temp = bytes[left];
- bytes[left] = bytes[right];
- bytes[right] = temp;
- }
- }
- return new BigInteger(bytes);
- }
}
diff --git a/frysk-core/frysk/util/PPC32LinuxElfCorefile.java b/frysk-core/frysk/util/PPC32LinuxElfCorefile.java
index 8180acf..fec155f 100644
--- a/frysk-core/frysk/util/PPC32LinuxElfCorefile.java
+++ b/frysk-core/frysk/util/PPC32LinuxElfCorefile.java
@@ -43,23 +43,19 @@
package frysk.util;
-import java.math.BigInteger;
-
-import frysk.proc.Proc;
-import frysk.proc.Task;
import inua.eio.ByteBuffer;
-import inua.eio.ByteOrder;
-
+import lib.dwfl.ElfEHeader;
+import lib.dwfl.ElfEMachine;
import lib.dwfl.ElfNhdr;
import lib.dwfl.ElfNhdrType;
-import lib.dwfl.ElfEMachine;
-import lib.dwfl.ElfEHeader;
import lib.dwfl.ElfPrAuxv;
+import lib.dwfl.ElfPrFPRegSet;
import lib.dwfl.ElfPrpsinfo;
import lib.dwfl.ElfPrstatus;
-import lib.dwfl.ElfPrFPRegSet;
import frysk.isa.PPC32Registers;
import frysk.isa.Register;
+import frysk.proc.Proc;
+import frysk.proc.Task;
import frysk.sys.proc.AuxvBuilder;
import frysk.sys.proc.CmdLineBuilder;
import frysk.sys.proc.Stat;
@@ -188,11 +184,6 @@ public class PPC32LinuxElfCorefile extends LinuxElfCorefile {
// The number of total common registers in PPC/PPC64 including nip, msr,
// etc. Defined in the asm-ppc/elf.h.
- int elfNGREG = 48;
- int blankRegisterIndex = elfNGREG;
-
- byte[] zeroVal = new byte[] { 0 };
-
Register[] ptracePpcRegMap = {
PPC32Registers.NIP, PPC32Registers.MSR, PPC32Registers.ORIGR3,
PPC32Registers.CTR, PPC32Registers.LR, PPC32Registers.XER,
@@ -210,23 +201,37 @@ public class PPC32LinuxElfCorefile extends LinuxElfCorefile {
PPC32Registers.GPR27, PPC32Registers.GPR28, PPC32Registers.GPR29,
PPC32Registers.GPR30, PPC32Registers.GPR31};
- for (int i = 0; i < ptracePpcRegMap.length; i++) {
- int registerSize = ptracePpcRegMap[i].getType().getSize();
- byte[] byteOrderedRegister = new byte[registerSize];
- task.access(ptracePpcRegMap[i], 0, registerSize, byteOrderedRegister, 0, false);
- prStatus.setPrGPReg(i,bytesToBigInteger(byteOrderedRegister));
- }
+
+ // Set GP register info
+ int index = 0;
+ int arraySize = 0;
+ int regSize;
+ int wordSize = task.getISA().wordSize();
+ int elfNGREG = 48;
+ // Allocate space in array. Even though there are some registers < wordSize, they still have
+ // to sit in a wordSize area
+ for (int l = 0; l < ptracePpcRegMap.length; l++)
+ if (ptracePpcRegMap[l].getType().getSize() < wordSize)
+ arraySize +=wordSize;
+ else
+ arraySize +=ptracePpcRegMap[l].getType().getSize();
- blankRegisterIndex = ptracePpcRegMap.length;
+ int blankRegisterIndex = (elfNGREG - ptracePpcRegMap.length) * wordSize;
- BigInteger bigInt = new BigInteger(zeroVal);
+ byte[] byteOrderedRegister= new byte[arraySize+blankRegisterIndex];
+
+ // Populate array, using wordSize as minimum size
+ for (int i = 0; i < ptracePpcRegMap.length; i++) {
+ regSize = ptracePpcRegMap[i].getType().getSize();
+ if (regSize < wordSize)
+ regSize = wordSize;
+ task.access(ptracePpcRegMap[i], 0, regSize, byteOrderedRegister, index, false);
+ index += regSize;
+ }
+
+ prStatus.setPrGPRegisterBuffer(byteOrderedRegister);
- // On ppc, some register indexes are not defined in
- // asm-<ISA>/ptrace.h.
- for (int index = blankRegisterIndex; index < elfNGREG; index++)
- prStatus.setPrGPReg(index, bigInt);
-
// Write it
nhdrEntry.setNhdrDesc(ElfNhdrType.NT_PRSTATUS, prStatus);
}
@@ -295,22 +300,4 @@ public class PPC32LinuxElfCorefile extends LinuxElfCorefile {
protected byte getElfMachineClass() {
return ElfEHeader.PHEADER_ELFCLASS32;
}
-
- // XXX: Function to convert bytes[] to BigInteger.
- // Will disappear when all BankRegisters are present on all
- // all architectures, and we can call task.access() on all
- // registers, and not convert to BigInteger.
- private BigInteger bytesToBigInteger(byte[] bytes)
- {
- if (this.process.getMainTask().getISA().order() == ByteOrder.LITTLE_ENDIAN) {
- for (int left = 0; left < bytes.length / 2; left++) {
- int right = bytes.length - 1 - left;
- byte temp = bytes[left];
- bytes[left] = bytes[right];
- bytes[right] = temp;
- }
- }
- return new BigInteger(bytes);
- }
-
}
diff --git a/frysk-core/frysk/util/PPC64LinuxElfCorefile.java b/frysk-core/frysk/util/PPC64LinuxElfCorefile.java
index 58553c7..df6b20b 100644
--- a/frysk-core/frysk/util/PPC64LinuxElfCorefile.java
+++ b/frysk-core/frysk/util/PPC64LinuxElfCorefile.java
@@ -43,25 +43,20 @@
package frysk.util;
-import java.math.BigInteger;
-
-import frysk.proc.Proc;
-import frysk.proc.Task;
-import inua.eio.ByteOrder;
-
+import lib.dwfl.ElfEHeader;
+import lib.dwfl.ElfEMachine;
import lib.dwfl.ElfNhdr;
import lib.dwfl.ElfNhdrType;
-import lib.dwfl.ElfEMachine;
-import lib.dwfl.ElfEHeader;
import lib.dwfl.ElfPrAuxv;
+import lib.dwfl.ElfPrFPRegSet;
import lib.dwfl.ElfPrpsinfo;
import lib.dwfl.ElfPrstatus;
-import lib.dwfl.ElfPrFPRegSet;
-
-import frysk.sys.proc.AuxvBuilder;
-import frysk.sys.proc.CmdLineBuilder;
import frysk.isa.PPC64Registers;
import frysk.isa.Register;
+import frysk.proc.Proc;
+import frysk.proc.Task;
+import frysk.sys.proc.AuxvBuilder;
+import frysk.sys.proc.CmdLineBuilder;
import frysk.sys.proc.Stat;
import frysk.sys.proc.Status;
@@ -188,11 +183,6 @@ public class PPC64LinuxElfCorefile extends LinuxElfCorefile {
// The number of total common registers in PPC/PPC64 including nip, msr,
// etc. Defined in the asm-ppc64/elf.h.
- int elfNGREG = 48;
- int blankRegisterIndex = elfNGREG;
-
- byte[] zeroVal = new byte[] { 0 };
-
// XXX: if one register's offset is not defined in asm-ppc/ptrace.h or
// asm-ppc64/ptrace.h,we did not dump it out and fill give the null Name.
Register[] ptracePpc64RegMap = {
@@ -212,23 +202,36 @@ public class PPC64LinuxElfCorefile extends LinuxElfCorefile {
PPC64Registers.GPR27, PPC64Registers.GPR28, PPC64Registers.GPR29,
PPC64Registers.GPR30, PPC64Registers.GPR31};
- for (int i = 0; i < ptracePpc64RegMap.length; i++) {
- int registerSize = ptracePpc64RegMap[i].getType().getSize();
- byte[] byteOrderedRegister = new byte[registerSize];
- task.access(ptracePpc64RegMap[i], 0, registerSize, byteOrderedRegister, 0, false);
- prStatus.setPrGPReg(i, bytesToBigInteger(byteOrderedRegister));
- }
-
-
- blankRegisterIndex = ptracePpc64RegMap.length;
-
- BigInteger bigInt = new BigInteger(zeroVal);
+ // Set GP register info
+ int index = 0;
+ int arraySize = 0;
+ int regSize;
+ int wordSize = task.getISA().wordSize();
+ int elfNGREG = 48;
+
+ // Allocate space in array. Even though there are some registers < wordSize, they still have
+ // to sit in a wordSize area
+ for (int l = 0; l < ptracePpc64RegMap.length; l++)
+ if (ptracePpc64RegMap[l].getType().getSize() < wordSize)
+ arraySize +=wordSize;
+ else
+ arraySize +=ptracePpc64RegMap[l].getType().getSize();
+
+ int blankRegisterIndex = (elfNGREG - ptracePpc64RegMap.length) * wordSize;
+
+ byte[] byteOrderedRegister= new byte[arraySize+blankRegisterIndex];
+
+ // Populate array, using wordSize as minimum size
+ for (int i = 0; i < ptracePpc64RegMap.length; i++) {
+ regSize = ptracePpc64RegMap[i].getType().getSize();
+ if (regSize < wordSize)
+ regSize = wordSize;
+ task.access(ptracePpc64RegMap[i], 0, regSize, byteOrderedRegister, index, false);
+ index += regSize;
+ }
+
+ prStatus.setPrGPRegisterBuffer(byteOrderedRegister);
- // On ppc, some register indexes are not defined in
- // asm-<ISA>/ptrace.h.
- for (int index = blankRegisterIndex; index < elfNGREG; index++)
- prStatus.setPrGPReg(index, bigInt);
-
// Write it
nhdrEntry.setNhdrDesc(ElfNhdrType.NT_PRSTATUS, prStatus);
}
@@ -330,20 +333,4 @@ public class PPC64LinuxElfCorefile extends LinuxElfCorefile {
return ElfEHeader.PHEADER_ELFCLASS64;
}
- // XXX: Function to convert bytes[] to BigInteger.
- // Will disappear when all BankRegisters are present on all
- // all architectures, and we can call task.access() on all
- // registers, and not convert to BigInteger.
- private BigInteger bytesToBigInteger(byte[] bytes)
- {
- if (this.process.getMainTask().getISA().order() == ByteOrder.LITTLE_ENDIAN) {
- for (int left = 0; left < bytes.length / 2; left++) {
- int right = bytes.length - 1 - left;
- byte temp = bytes[left];
- bytes[left] = bytes[right];
- bytes[right] = temp;
- }
- }
- return new BigInteger(bytes);
- }
}
diff --git a/frysk-core/frysk/util/X8664LinuxElfCorefile.java b/frysk-core/frysk/util/X8664LinuxElfCorefile.java
index c2dab9d..7d4fb1c 100644
--- a/frysk-core/frysk/util/X8664LinuxElfCorefile.java
+++ b/frysk-core/frysk/util/X8664LinuxElfCorefile.java
@@ -39,23 +39,19 @@
package frysk.util;
-import java.math.BigInteger;
-
-import frysk.isa.Register;
-import frysk.isa.X8664Registers;
-import frysk.proc.Proc;
-import frysk.proc.Task;
import inua.eio.ByteBuffer;
-import inua.eio.ByteOrder;
-
+import lib.dwfl.ElfEHeader;
+import lib.dwfl.ElfEMachine;
import lib.dwfl.ElfNhdr;
import lib.dwfl.ElfNhdrType;
-import lib.dwfl.ElfEMachine;
-import lib.dwfl.ElfEHeader;
import lib.dwfl.ElfPrAuxv;
+import lib.dwfl.ElfPrFPRegSet;
import lib.dwfl.ElfPrpsinfo;
import lib.dwfl.ElfPrstatus;
-import lib.dwfl.ElfPrFPRegSet;
+import frysk.isa.Register;
+import frysk.isa.X8664Registers;
+import frysk.proc.Proc;
+import frysk.proc.Task;
import frysk.sys.proc.AuxvBuilder;
import frysk.sys.proc.CmdLineBuilder;
import frysk.sys.proc.Stat;
@@ -212,12 +208,31 @@ public class X8664LinuxElfCorefile extends LinuxElfCorefile {
X8664Registers.GS};
// Set GP register info
+ int index = 0;
+ int arraySize = 0;
+ int regSize;
+ int wordSize = task.getISA().wordSize();
+
+ // Allocate space in array. Even though there are some registers < wordSize, they still have
+ // to sit in a wordSize area
+ for (int l = 0; l < ptraceRegisterMap.length; l++)
+ if (ptraceRegisterMap[l].getType().getSize() < wordSize)
+ arraySize +=wordSize;
+ else
+ arraySize +=ptraceRegisterMap[l].getType().getSize();
+
+ byte[] byteOrderedRegister= new byte[arraySize];
+
+ // Populate array, using wordSize as minimum size
for (int i = 0; i < ptraceRegisterMap.length; i++) {
- int registerSize = ptraceRegisterMap[i].getType().getSize();
- byte[] byteOrderedRegister = new byte[registerSize];
- task.access(ptraceRegisterMap[i], 0, registerSize, byteOrderedRegister, 0, false);
- prStatus.setPrGPReg(i,bytesToBigInteger(byteOrderedRegister));
+ regSize = ptraceRegisterMap[i].getType().getSize();
+ if (regSize < wordSize)
+ regSize = wordSize;
+ task.access(ptraceRegisterMap[i], 0, regSize, byteOrderedRegister, index, false);
+ index += regSize;
}
+
+ prStatus.setPrGPRegisterBuffer(byteOrderedRegister);
// Write it
nhdrEntry.setNhdrDesc(ElfNhdrType.NT_PRSTATUS, prStatus);
@@ -285,21 +300,4 @@ public class X8664LinuxElfCorefile extends LinuxElfCorefile {
return ElfEHeader.PHEADER_ELFCLASS64;
}
- // XXX: Function to convert bytes[] to BigInteger.
- // Will disappear when all BankRegisters are present on all
- // all architectures, and we can call task.access() on all
- // registers, and not convert to BigInteger.
- private BigInteger bytesToBigInteger(byte[] bytes)
- {
- if (this.process.getMainTask().getISA().order() == ByteOrder.LITTLE_ENDIAN) {
- for (int left = 0; left < bytes.length / 2; left++) {
- int right = bytes.length - 1 - left;
- byte temp = bytes[left];
- bytes[left] = bytes[right];
- bytes[right] = temp;
- }
- }
- return new BigInteger(bytes);
- }
-
}
diff --git a/frysk-sys/lib/dwfl/ChangeLog b/frysk-sys/lib/dwfl/ChangeLog
index 7debe8b..4e0117e 100644
--- a/frysk-sys/lib/dwfl/ChangeLog
+++ b/frysk-sys/lib/dwfl/ChangeLog
@@ -1,3 +1,12 @@
+2007-11-29 Phil Muldoon <pmuldoon@redhat.com>
+
+ * cni/ElfPrstatus.cxx (ElfPrstatus::fillMemRegion): Copy
+ buffer to structure, do not build buffer.
+ * ElfPrstatus.java (setPrGPRegisterBuffer): New.
+ (setPrGPReg): Delete.
+ (convertToLong): Delete.
+ (getPrGPRegIterator): Delete.
+
2007-11-20 Stan Cox <scox@redhat.com>
* BaseTypes.java: Remove.
diff --git a/frysk-sys/lib/dwfl/ElfPrstatus.java b/frysk-sys/lib/dwfl/ElfPrstatus.java
index 6c2e999..0539521 100644
--- a/frysk-sys/lib/dwfl/ElfPrstatus.java
+++ b/frysk-sys/lib/dwfl/ElfPrstatus.java
@@ -41,7 +41,6 @@ package lib.dwfl;
import java.util.ArrayList;
import java.util.Iterator;
-import java.math.BigInteger;
import inua.eio.ArrayByteBuffer;
import inua.eio.ByteBuffer;
import inua.eio.ByteOrder;
@@ -77,10 +76,7 @@ public class ElfPrstatus extends ElfNhdr.ElfNoteSectionEntry
hooks/post-receive
--
frysk system monitor/debugger
reply other threads:[~2007-11-29 9:40 UTC|newest]
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