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Diffstat (limited to 'src/arch/x86/remote_gdb.cc')
-rw-r--r--src/arch/x86/remote_gdb.cc253
1 files changed, 124 insertions, 129 deletions
diff --git a/src/arch/x86/remote_gdb.cc b/src/arch/x86/remote_gdb.cc
index dd96037e0..99800385a 100644
--- a/src/arch/x86/remote_gdb.cc
+++ b/src/arch/x86/remote_gdb.cc
@@ -1,4 +1,5 @@
/*
+ * Copyright 2015 LabWare
* Copyright 2014 Google, Inc.
* Copyright (c) 2007 The Hewlett-Packard Development Company
* All rights reserved.
@@ -36,6 +37,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
+ * Boris Shingarov
*/
#include <sys/signal.h>
@@ -54,6 +56,7 @@
#include "base/trace.hh"
#include "cpu/base.hh"
#include "cpu/thread_context.hh"
+#include "debug/GDBAcc.hh"
#include "mem/page_table.hh"
#include "sim/full_system.hh"
@@ -61,7 +64,7 @@ using namespace std;
using namespace X86ISA;
RemoteGDB::RemoteGDB(System *_system, ThreadContext *c) :
- BaseRemoteGDB(_system, c, GDB_REG_BYTES)
+ BaseRemoteGDB(_system, c)
{}
bool
@@ -88,138 +91,130 @@ RemoteGDB::acc(Addr va, size_t len)
}
}
-void
-RemoteGDB::getregs()
+RemoteGDB::BaseGdbRegCache*
+RemoteGDB::gdbRegs()
{
HandyM5Reg m5reg = context->readMiscRegNoEffect(MISCREG_M5_REG);
- if (m5reg.submode == SixtyFourBitMode) {
- gdbregs.regs64[GDB64_RAX] = context->readIntReg(INTREG_RAX);
- gdbregs.regs64[GDB64_RBX] = context->readIntReg(INTREG_RBX);
- gdbregs.regs64[GDB64_RCX] = context->readIntReg(INTREG_RCX);
- gdbregs.regs64[GDB64_RDX] = context->readIntReg(INTREG_RDX);
- gdbregs.regs64[GDB64_RSI] = context->readIntReg(INTREG_RSI);
- gdbregs.regs64[GDB64_RDI] = context->readIntReg(INTREG_RDI);
- gdbregs.regs64[GDB64_RBP] = context->readIntReg(INTREG_RBP);
- gdbregs.regs64[GDB64_RSP] = context->readIntReg(INTREG_RSP);
- gdbregs.regs64[GDB64_R8] = context->readIntReg(INTREG_R8);
- gdbregs.regs64[GDB64_R9] = context->readIntReg(INTREG_R9);
- gdbregs.regs64[GDB64_R10] = context->readIntReg(INTREG_R10);
- gdbregs.regs64[GDB64_R11] = context->readIntReg(INTREG_R11);
- gdbregs.regs64[GDB64_R12] = context->readIntReg(INTREG_R12);
- gdbregs.regs64[GDB64_R13] = context->readIntReg(INTREG_R13);
- gdbregs.regs64[GDB64_R14] = context->readIntReg(INTREG_R14);
- gdbregs.regs64[GDB64_R15] = context->readIntReg(INTREG_R15);
- gdbregs.regs64[GDB64_RIP] = context->pcState().pc();
- gdbregs.regs32[GDB64_RFLAGS_32] =
- context->readMiscRegNoEffect(MISCREG_RFLAGS);
- gdbregs.regs32[GDB64_CS_32] = context->readMiscRegNoEffect(MISCREG_CS);
- gdbregs.regs32[GDB64_SS_32] = context->readMiscRegNoEffect(MISCREG_SS);
- gdbregs.regs32[GDB64_DS_32] = context->readMiscRegNoEffect(MISCREG_DS);
- gdbregs.regs32[GDB64_ES_32] = context->readMiscRegNoEffect(MISCREG_ES);
- gdbregs.regs32[GDB64_FS_32] = context->readMiscRegNoEffect(MISCREG_FS);
- gdbregs.regs32[GDB64_GS_32] = context->readMiscRegNoEffect(MISCREG_GS);
- } else {
- gdbregs.regs32[GDB32_EAX] = context->readIntReg(INTREG_RAX);
- gdbregs.regs32[GDB32_ECX] = context->readIntReg(INTREG_RCX);
- gdbregs.regs32[GDB32_EDX] = context->readIntReg(INTREG_RDX);
- gdbregs.regs32[GDB32_EBX] = context->readIntReg(INTREG_RBX);
- gdbregs.regs32[GDB32_ESP] = context->readIntReg(INTREG_RSP);
- gdbregs.regs32[GDB32_EBP] = context->readIntReg(INTREG_RBP);
- gdbregs.regs32[GDB32_ESI] = context->readIntReg(INTREG_RSI);
- gdbregs.regs32[GDB32_EDI] = context->readIntReg(INTREG_RDI);
- gdbregs.regs32[GDB32_EIP] = context->pcState().pc();
- gdbregs.regs32[GDB32_EFLAGS] =
- context->readMiscRegNoEffect(MISCREG_RFLAGS);
- gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_CS);
- gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_SS);
- gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_DS);
- gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_ES);
- gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_FS);
- gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_GS);
- }
+ if (m5reg.submode == SixtyFourBitMode)
+ return new AMD64GdbRegCache(this);
+ else
+ return new X86GdbRegCache(this);
}
+
+
void
-RemoteGDB::setregs()
+RemoteGDB::AMD64GdbRegCache::getRegs(ThreadContext *context)
{
- HandyM5Reg m5reg = context->readMiscRegNoEffect(MISCREG_M5_REG);
- if (m5reg.submode == SixtyFourBitMode) {
- context->setIntReg(INTREG_RAX, gdbregs.regs64[GDB64_RAX]);
- context->setIntReg(INTREG_RBX, gdbregs.regs64[GDB64_RBX]);
- context->setIntReg(INTREG_RCX, gdbregs.regs64[GDB64_RCX]);
- context->setIntReg(INTREG_RDX, gdbregs.regs64[GDB64_RDX]);
- context->setIntReg(INTREG_RSI, gdbregs.regs64[GDB64_RSI]);
- context->setIntReg(INTREG_RDI, gdbregs.regs64[GDB64_RDI]);
- context->setIntReg(INTREG_RBP, gdbregs.regs64[GDB64_RBP]);
- context->setIntReg(INTREG_RSP, gdbregs.regs64[GDB64_RSP]);
- context->setIntReg(INTREG_R8, gdbregs.regs64[GDB64_R8]);
- context->setIntReg(INTREG_R9, gdbregs.regs64[GDB64_R9]);
- context->setIntReg(INTREG_R10, gdbregs.regs64[GDB64_R10]);
- context->setIntReg(INTREG_R11, gdbregs.regs64[GDB64_R11]);
- context->setIntReg(INTREG_R12, gdbregs.regs64[GDB64_R12]);
- context->setIntReg(INTREG_R13, gdbregs.regs64[GDB64_R13]);
- context->setIntReg(INTREG_R14, gdbregs.regs64[GDB64_R14]);
- context->setIntReg(INTREG_R15, gdbregs.regs64[GDB64_R15]);
- context->pcState(gdbregs.regs64[GDB64_RIP]);
- context->setMiscReg(MISCREG_RFLAGS, gdbregs.regs32[GDB64_RFLAGS_32]);
- if (gdbregs.regs32[GDB64_CS_32] !=
- context->readMiscRegNoEffect(MISCREG_CS)) {
- warn("Remote gdb: Ignoring update to CS.\n");
- }
- if (gdbregs.regs32[GDB64_SS_32] !=
- context->readMiscRegNoEffect(MISCREG_SS)) {
- warn("Remote gdb: Ignoring update to SS.\n");
- }
- if (gdbregs.regs32[GDB64_DS_32] !=
- context->readMiscRegNoEffect(MISCREG_DS)) {
- warn("Remote gdb: Ignoring update to DS.\n");
- }
- if (gdbregs.regs32[GDB64_ES_32] !=
- context->readMiscRegNoEffect(MISCREG_ES)) {
- warn("Remote gdb: Ignoring update to ES.\n");
- }
- if (gdbregs.regs32[GDB64_FS_32] !=
- context->readMiscRegNoEffect(MISCREG_FS)) {
- warn("Remote gdb: Ignoring update to FS.\n");
- }
- if (gdbregs.regs32[GDB64_GS_32] !=
- context->readMiscRegNoEffect(MISCREG_GS)) {
- warn("Remote gdb: Ignoring update to GS.\n");
- }
- } else {
- context->setIntReg(INTREG_RAX, gdbregs.regs32[GDB32_EAX]);
- context->setIntReg(INTREG_RCX, gdbregs.regs32[GDB32_ECX]);
- context->setIntReg(INTREG_RDX, gdbregs.regs32[GDB32_EDX]);
- context->setIntReg(INTREG_RBX, gdbregs.regs32[GDB32_EBX]);
- context->setIntReg(INTREG_RSP, gdbregs.regs32[GDB32_ESP]);
- context->setIntReg(INTREG_RBP, gdbregs.regs32[GDB32_EBP]);
- context->setIntReg(INTREG_RSI, gdbregs.regs32[GDB32_ESI]);
- context->setIntReg(INTREG_RDI, gdbregs.regs32[GDB32_EDI]);
- context->pcState(gdbregs.regs32[GDB32_EIP]);
- context->setMiscReg(MISCREG_RFLAGS, gdbregs.regs32[GDB32_EFLAGS]);
- if (gdbregs.regs32[GDB64_CS_32] !=
- context->readMiscRegNoEffect(MISCREG_CS)) {
- warn("Remote gdb: Ignoring update to CS.\n");
- }
- if (gdbregs.regs32[GDB32_SS] !=
- context->readMiscRegNoEffect(MISCREG_SS)) {
- warn("Remote gdb: Ignoring update to SS.\n");
- }
- if (gdbregs.regs32[GDB32_DS] !=
- context->readMiscRegNoEffect(MISCREG_DS)) {
- warn("Remote gdb: Ignoring update to DS.\n");
- }
- if (gdbregs.regs32[GDB32_ES] !=
- context->readMiscRegNoEffect(MISCREG_ES)) {
- warn("Remote gdb: Ignoring update to ES.\n");
- }
- if (gdbregs.regs32[GDB32_FS] !=
- context->readMiscRegNoEffect(MISCREG_FS)) {
- warn("Remote gdb: Ignoring update to FS.\n");
- }
- if (gdbregs.regs32[GDB32_GS] !=
- context->readMiscRegNoEffect(MISCREG_GS)) {
- warn("Remote gdb: Ignoring update to GS.\n");
- }
- }
+ DPRINTF(GDBAcc, "getRegs in remotegdb \n");
+ r.rax = context->readIntReg(INTREG_RAX);
+ r.rbx = context->readIntReg(INTREG_RBX);
+ r.rcx = context->readIntReg(INTREG_RCX);
+ r.rdx = context->readIntReg(INTREG_RDX);
+ r.rsi = context->readIntReg(INTREG_RSI);
+ r.rdi = context->readIntReg(INTREG_RDI);
+ r.rbp = context->readIntReg(INTREG_RBP);
+ r.rsp = context->readIntReg(INTREG_RSP);
+ r.r8 = context->readIntReg(INTREG_R8);
+ r.r9 = context->readIntReg(INTREG_R9);
+ r.r10 = context->readIntReg(INTREG_R10);
+ r.r11 = context->readIntReg(INTREG_R11);
+ r.r12 = context->readIntReg(INTREG_R12);
+ r.r13 = context->readIntReg(INTREG_R13);
+ r.r14 = context->readIntReg(INTREG_R14);
+ r.r15 = context->readIntReg(INTREG_R15);
+ r.rip = context->pcState().pc();
+ r.eflags = context->readMiscRegNoEffect(MISCREG_RFLAGS);
+ r.cs = context->readMiscRegNoEffect(MISCREG_CS);
+ r.ss = context->readMiscRegNoEffect(MISCREG_SS);
+ r.ds = context->readMiscRegNoEffect(MISCREG_DS);
+ r.es = context->readMiscRegNoEffect(MISCREG_ES);
+ r.fs = context->readMiscRegNoEffect(MISCREG_FS);
+ r.gs = context->readMiscRegNoEffect(MISCREG_GS);
+}
+
+void
+RemoteGDB::X86GdbRegCache::getRegs(ThreadContext *context)
+{
+ DPRINTF(GDBAcc, "getRegs in remotegdb \n");
+ r.eax = context->readIntReg(INTREG_RAX);
+ r.ecx = context->readIntReg(INTREG_RCX);
+ r.edx = context->readIntReg(INTREG_RDX);
+ r.ebx = context->readIntReg(INTREG_RBX);
+ r.esp = context->readIntReg(INTREG_RSP);
+ r.ebp = context->readIntReg(INTREG_RBP);
+ r.esi = context->readIntReg(INTREG_RSI);
+ r.edi = context->readIntReg(INTREG_RDI);
+ r.eip = context->pcState().pc();
+ r.eflags = context->readMiscRegNoEffect(MISCREG_RFLAGS);
+ r.cs = context->readMiscRegNoEffect(MISCREG_CS);
+ r.ss = context->readMiscRegNoEffect(MISCREG_SS);
+ r.ds = context->readMiscRegNoEffect(MISCREG_DS);
+ r.es = context->readMiscRegNoEffect(MISCREG_ES);
+ r.fs = context->readMiscRegNoEffect(MISCREG_FS);
+ r.gs = context->readMiscRegNoEffect(MISCREG_GS);
+}
+
+void
+RemoteGDB::AMD64GdbRegCache::setRegs(ThreadContext *context) const
+{
+ DPRINTF(GDBAcc, "setRegs in remotegdb \n");
+ context->setIntReg(INTREG_RAX, r.rax);
+ context->setIntReg(INTREG_RBX, r.rbx);
+ context->setIntReg(INTREG_RCX, r.rcx);
+ context->setIntReg(INTREG_RDX, r.rdx);
+ context->setIntReg(INTREG_RSI, r.rsi);
+ context->setIntReg(INTREG_RDI, r.rdi);
+ context->setIntReg(INTREG_RBP, r.rbp);
+ context->setIntReg(INTREG_RSP, r.rsp);
+ context->setIntReg(INTREG_R8, r.r8);
+ context->setIntReg(INTREG_R9, r.r9);
+ context->setIntReg(INTREG_R10, r.r10);
+ context->setIntReg(INTREG_R11, r.r11);
+ context->setIntReg(INTREG_R12, r.r12);
+ context->setIntReg(INTREG_R13, r.r13);
+ context->setIntReg(INTREG_R14, r.r14);
+ context->setIntReg(INTREG_R15, r.r15);
+ context->pcState(r.rip);
+ context->setMiscReg(MISCREG_RFLAGS, r.eflags);
+ if (r.cs != context->readMiscRegNoEffect(MISCREG_CS))
+ warn("Remote gdb: Ignoring update to CS.\n");
+ if (r.ss != context->readMiscRegNoEffect(MISCREG_SS))
+ warn("Remote gdb: Ignoring update to SS.\n");
+ if (r.ds != context->readMiscRegNoEffect(MISCREG_DS))
+ warn("Remote gdb: Ignoring update to DS.\n");
+ if (r.es != context->readMiscRegNoEffect(MISCREG_ES))
+ warn("Remote gdb: Ignoring update to ES.\n");
+ if (r.fs != context->readMiscRegNoEffect(MISCREG_FS))
+ warn("Remote gdb: Ignoring update to FS.\n");
+ if (r.gs != context->readMiscRegNoEffect(MISCREG_GS))
+ warn("Remote gdb: Ignoring update to GS.\n");
+}
+
+void
+RemoteGDB::X86GdbRegCache::setRegs(ThreadContext *context) const
+{
+ DPRINTF(GDBAcc, "setRegs in remotegdb \n");
+ context->setIntReg(INTREG_RAX, r.eax);
+ context->setIntReg(INTREG_RCX, r.ecx);
+ context->setIntReg(INTREG_RDX, r.edx);
+ context->setIntReg(INTREG_RBX, r.ebx);
+ context->setIntReg(INTREG_RSP, r.esp);
+ context->setIntReg(INTREG_RBP, r.ebp);
+ context->setIntReg(INTREG_RSI, r.esi);
+ context->setIntReg(INTREG_RDI, r.edi);
+ context->pcState(r.eip);
+ context->setMiscReg(MISCREG_RFLAGS, r.eflags);
+ if (r.cs != context->readMiscRegNoEffect(MISCREG_CS))
+ warn("Remote gdb: Ignoring update to CS.\n");
+ if (r.ss != context->readMiscRegNoEffect(MISCREG_SS))
+ warn("Remote gdb: Ignoring update to SS.\n");
+ if (r.ds != context->readMiscRegNoEffect(MISCREG_DS))
+ warn("Remote gdb: Ignoring update to DS.\n");
+ if (r.es != context->readMiscRegNoEffect(MISCREG_ES))
+ warn("Remote gdb: Ignoring update to ES.\n");
+ if (r.fs != context->readMiscRegNoEffect(MISCREG_FS))
+ warn("Remote gdb: Ignoring update to FS.\n");
+ if (r.gs != context->readMiscRegNoEffect(MISCREG_GS))
+ warn("Remote gdb: Ignoring update to GS.\n");
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 09:26:46 +0000