base: Correct checkBpLen naming with checkBpKind
In gdb document*1, the second parameter of checkpoint command(Z0, Z1) is
named after kind. Although underlying implementation probably considers
it as length*2, it's still good to follow the name described in gdb
document for avoiding any confusion.
Refs:
1. https://sourceware.org/gdb/onlinedocs/gdb/Packets.html
2. https://github.com/bminor/binutils-gdb/blob/master/gdb/arch-utils.h#L41
Change-Id: Ib4b585613b8018970b16355f96cdff2ce9d5bae6
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/54123
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Maintainer: Daniel Carvalho <odanrc@yahoo.com.br>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
diff --git a/src/arch/arm/remote_gdb.cc b/src/arch/arm/remote_gdb.cc
index 2efa82f..215c532 100644
--- a/src/arch/arm/remote_gdb.cc
+++ b/src/arch/arm/remote_gdb.cc
@@ -362,10 +362,10 @@
}
bool
-RemoteGDB::checkBpLen(size_t len)
+RemoteGDB::checkBpKind(size_t kind)
{
// 2 for Thumb ISA, 4 for ARM ISA.
- return len == 2 || len == 4;
+ return kind == 2 || kind == 4;
}
} // namespace gem5
diff --git a/src/arch/arm/remote_gdb.hh b/src/arch/arm/remote_gdb.hh
index cff6d4a..8e512a4 100644
--- a/src/arch/arm/remote_gdb.hh
+++ b/src/arch/arm/remote_gdb.hh
@@ -120,7 +120,7 @@
public:
RemoteGDB(System *_system, int _port);
BaseGdbRegCache *gdbRegs() override;
- bool checkBpLen(size_t len) override;
+ bool checkBpKind(size_t kind) override;
std::vector<std::string>
availableFeatures() const override
{
diff --git a/src/arch/riscv/remote_gdb.hh b/src/arch/riscv/remote_gdb.hh
index 40fe821..753859f 100644
--- a/src/arch/riscv/remote_gdb.hh
+++ b/src/arch/riscv/remote_gdb.hh
@@ -56,7 +56,7 @@
bool acc(Addr addr, size_t len) override;
// A breakpoint will be 2 bytes if it is compressed and 4 if not
- bool checkBpLen(size_t len) override { return len == 2 || len == 4; }
+ bool checkBpKind(size_t kind) override { return kind == 2 || kind == 4; }
class RiscvGdbRegCache : public BaseGdbRegCache
{
diff --git a/src/arch/x86/remote_gdb.hh b/src/arch/x86/remote_gdb.hh
index 62176a5..dfa9177 100644
--- a/src/arch/x86/remote_gdb.hh
+++ b/src/arch/x86/remote_gdb.hh
@@ -58,7 +58,7 @@
{
protected:
bool acc(Addr addr, size_t len);
- bool checkBpLen(size_t len) { return len == 1; }
+ bool checkBpKind(size_t kind) { return kind == 1; }
class X86GdbRegCache : public BaseGdbRegCache
{
using BaseGdbRegCache::BaseGdbRegCache;
diff --git a/src/base/remote_gdb.cc b/src/base/remote_gdb.cc
index 1437b75..798d09f 100644
--- a/src/base/remote_gdb.cc
+++ b/src/base/remote_gdb.cc
@@ -784,28 +784,28 @@
}
void
-BaseRemoteGDB::insertSoftBreak(Addr addr, size_t len)
+BaseRemoteGDB::insertSoftBreak(Addr addr, size_t kind)
{
- if (!checkBpLen(len))
- throw BadClient("Invalid breakpoint length\n");
+ if (!checkBpKind(kind))
+ throw BadClient("Invalid breakpoint kind.\n");
- return insertHardBreak(addr, len);
+ return insertHardBreak(addr, kind);
}
void
-BaseRemoteGDB::removeSoftBreak(Addr addr, size_t len)
+BaseRemoteGDB::removeSoftBreak(Addr addr, size_t kind)
{
- if (!checkBpLen(len))
- throw BadClient("Invalid breakpoint length.\n");
+ if (!checkBpKind(kind))
+ throw BadClient("Invalid breakpoint kind.\n");
- return removeHardBreak(addr, len);
+ return removeHardBreak(addr, kind);
}
void
-BaseRemoteGDB::insertHardBreak(Addr addr, size_t len)
+BaseRemoteGDB::insertHardBreak(Addr addr, size_t kind)
{
- if (!checkBpLen(len))
- throw BadClient("Invalid breakpoint length\n");
+ if (!checkBpKind(kind))
+ throw BadClient("Invalid breakpoint kind.\n");
DPRINTF(GDBMisc, "Inserting hardware breakpoint at %#x\n", addr);
@@ -817,10 +817,10 @@
}
void
-BaseRemoteGDB::removeHardBreak(Addr addr, size_t len)
+BaseRemoteGDB::removeHardBreak(Addr addr, size_t kind)
{
- if (!checkBpLen(len))
- throw BadClient("Invalid breakpoint length\n");
+ if (!checkBpKind(kind))
+ throw BadClient("Invalid breakpoint kind.\n");
DPRINTF(GDBMisc, "Removing hardware breakpoint at %#x\n", addr);
@@ -917,7 +917,7 @@
};
bool
-BaseRemoteGDB::checkBpLen(size_t len)
+BaseRemoteGDB::checkBpKind(size_t kind)
{
return true;
}
@@ -1302,17 +1302,17 @@
Addr addr = hex2i(&p);
if (*p++ != ',')
throw CmdError("E0D");
- size_t len = hex2i(&p);
+ size_t kind = hex2i(&p);
- DPRINTF(GDBMisc, "clear %s, addr=%#x, len=%d\n",
- breakType(sub_cmd), addr, len);
+ DPRINTF(GDBMisc, "clear %s, addr=%#x, kind=%d\n",
+ breakType(sub_cmd), addr, kind);
switch (sub_cmd) {
case GdbSoftBp:
- removeSoftBreak(addr, len);
+ removeSoftBreak(addr, kind);
break;
case GdbHardBp:
- removeHardBreak(addr, len);
+ removeHardBreak(addr, kind);
break;
case GdbWriteWp:
case GdbReadWp:
@@ -1335,17 +1335,17 @@
Addr addr = hex2i(&p);
if (*p++ != ',')
throw CmdError("E0D");
- size_t len = hex2i(&p);
+ size_t kind = hex2i(&p);
- DPRINTF(GDBMisc, "set %s, addr=%#x, len=%d\n",
- breakType(sub_cmd), addr, len);
+ DPRINTF(GDBMisc, "set %s, addr=%#x, kind=%d\n",
+ breakType(sub_cmd), addr, kind);
switch (sub_cmd) {
case GdbSoftBp:
- insertSoftBreak(addr, len);
+ insertSoftBreak(addr, kind);
break;
case GdbHardBp:
- insertHardBreak(addr, len);
+ insertHardBreak(addr, kind);
break;
case GdbWriteWp:
case GdbReadWp:
diff --git a/src/base/remote_gdb.hh b/src/base/remote_gdb.hh
index 59bccc5..b297e08 100644
--- a/src/base/remote_gdb.hh
+++ b/src/base/remote_gdb.hh
@@ -313,10 +313,10 @@
void descheduleInstCommitEvent(Event *ev);
// Breakpoints.
- void insertSoftBreak(Addr addr, size_t len);
- void removeSoftBreak(Addr addr, size_t len);
- void insertHardBreak(Addr addr, size_t len);
- void removeHardBreak(Addr addr, size_t len);
+ void insertSoftBreak(Addr addr, size_t kind);
+ void removeSoftBreak(Addr addr, size_t kind);
+ void insertHardBreak(Addr addr, size_t kind);
+ void removeHardBreak(Addr addr, size_t kind);
/*
* GDB commands.
@@ -401,8 +401,10 @@
void encodeXferResponse(const std::string &unencoded,
std::string &encoded, size_t offset, size_t unencoded_length) const;
- // To be implemented by subclasses.
- virtual bool checkBpLen(size_t len);
+ // checkBpKind checks if a kind of breakpoint is legal. This function should
+ // be implemented by subclasses by arch. The "kind" is considered to be
+ // breakpoint size in some arch.
+ virtual bool checkBpKind(size_t kind);
virtual BaseGdbRegCache *gdbRegs() = 0;
