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Tsirkin" , Peter Maydell , John Snow , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson , Eduardo Habkost , Marcel Apfelbaum , Yanan Wang Subject: [PULL 002/123] cpu: Move breakpoint helpers to common code Date: Mon, 27 Feb 2023 13:36:46 +0100 Message-Id: <20230227123847.27110-3-philmd@linaro.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230227123847.27110-1-philmd@linaro.org> References: <20230227123847.27110-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::42c; envelope-from=philmd@linaro.org; helo=mail-wr1-x42c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This code is not target-specific. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <20221130135241.85060-4-philmd@linaro.org> --- cpu.c | 71 -------------------------------------------------- cpus-common.c | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 72 insertions(+), 71 deletions(-) diff --git a/cpu.c b/cpu.c index 21cf809614..44df16231f 100644 --- a/cpu.c +++ b/cpu.c @@ -319,77 +319,6 @@ void tb_invalidate_phys_addr(AddressSpace *as, hwaddr addr, MemTxAttrs attrs) } #endif -/* Add a breakpoint. */ -int cpu_breakpoint_insert(CPUState *cpu, vaddr pc, int flags, - CPUBreakpoint **breakpoint) -{ - CPUClass *cc = CPU_GET_CLASS(cpu); - CPUBreakpoint *bp; - - if (cc->gdb_adjust_breakpoint) { - pc = cc->gdb_adjust_breakpoint(cpu, pc); - } - - bp = g_malloc(sizeof(*bp)); - - bp->pc = pc; - bp->flags = flags; - - /* keep all GDB-injected breakpoints in front */ - if (flags & BP_GDB) { - QTAILQ_INSERT_HEAD(&cpu->breakpoints, bp, entry); - } else { - QTAILQ_INSERT_TAIL(&cpu->breakpoints, bp, entry); - } - - if (breakpoint) { - *breakpoint = bp; - } - - trace_breakpoint_insert(cpu->cpu_index, pc, flags); - return 0; -} - -/* Remove a specific breakpoint. */ -int cpu_breakpoint_remove(CPUState *cpu, vaddr pc, int flags) -{ - CPUClass *cc = CPU_GET_CLASS(cpu); - CPUBreakpoint *bp; - - if (cc->gdb_adjust_breakpoint) { - pc = cc->gdb_adjust_breakpoint(cpu, pc); - } - - QTAILQ_FOREACH(bp, &cpu->breakpoints, entry) { - if (bp->pc == pc && bp->flags == flags) { - cpu_breakpoint_remove_by_ref(cpu, bp); - return 0; - } - } - return -ENOENT; -} - -/* Remove a specific breakpoint by reference. */ -void cpu_breakpoint_remove_by_ref(CPUState *cpu, CPUBreakpoint *bp) -{ - QTAILQ_REMOVE(&cpu->breakpoints, bp, entry); - - trace_breakpoint_remove(cpu->cpu_index, bp->pc, bp->flags); - g_free(bp); -} - -/* Remove all matching breakpoints. */ -void cpu_breakpoint_remove_all(CPUState *cpu, int mask) -{ - CPUBreakpoint *bp, *next; - - QTAILQ_FOREACH_SAFE(bp, &cpu->breakpoints, entry, next) { - if (bp->flags & mask) { - cpu_breakpoint_remove_by_ref(cpu, bp); - } - } -} - /* enable or disable single step mode. EXCP_DEBUG is returned by the CPU loop after each instruction */ void cpu_single_step(CPUState *cpu, int enabled) diff --git a/cpus-common.c b/cpus-common.c index 39f355de98..b0047e456f 100644 --- a/cpus-common.c +++ b/cpus-common.c @@ -23,6 +23,7 @@ #include "hw/core/cpu.h" #include "sysemu/cpus.h" #include "qemu/lockable.h" +#include "trace/trace-root.h" static QemuMutex qemu_cpu_list_lock; static QemuCond exclusive_cond; @@ -368,3 +369,74 @@ void process_queued_cpu_work(CPUState *cpu) qemu_mutex_unlock(&cpu->work_mutex); qemu_cond_broadcast(&qemu_work_cond); } + +/* Add a breakpoint. */ +int cpu_breakpoint_insert(CPUState *cpu, vaddr pc, int flags, + CPUBreakpoint **breakpoint) +{ + CPUClass *cc = CPU_GET_CLASS(cpu); + CPUBreakpoint *bp; + + if (cc->gdb_adjust_breakpoint) { + pc = cc->gdb_adjust_breakpoint(cpu, pc); + } + + bp = g_malloc(sizeof(*bp)); + + bp->pc = pc; + bp->flags = flags; + + /* keep all GDB-injected breakpoints in front */ + if (flags & BP_GDB) { + QTAILQ_INSERT_HEAD(&cpu->breakpoints, bp, entry); + } else { + QTAILQ_INSERT_TAIL(&cpu->breakpoints, bp, entry); + } + + if (breakpoint) { + *breakpoint = bp; + } + + trace_breakpoint_insert(cpu->cpu_index, pc, flags); + return 0; +} + +/* Remove a specific breakpoint. */ +int cpu_breakpoint_remove(CPUState *cpu, vaddr pc, int flags) +{ + CPUClass *cc = CPU_GET_CLASS(cpu); + CPUBreakpoint *bp; + + if (cc->gdb_adjust_breakpoint) { + pc = cc->gdb_adjust_breakpoint(cpu, pc); + } + + QTAILQ_FOREACH(bp, &cpu->breakpoints, entry) { + if (bp->pc == pc && bp->flags == flags) { + cpu_breakpoint_remove_by_ref(cpu, bp); + return 0; + } + } + return -ENOENT; +} + +/* Remove a specific breakpoint by reference. */ +void cpu_breakpoint_remove_by_ref(CPUState *cpu, CPUBreakpoint *bp) +{ + QTAILQ_REMOVE(&cpu->breakpoints, bp, entry); + + trace_breakpoint_remove(cpu->cpu_index, bp->pc, bp->flags); + g_free(bp); +} + +/* Remove all matching breakpoints. */ +void cpu_breakpoint_remove_all(CPUState *cpu, int mask) +{ + CPUBreakpoint *bp, *next; + + QTAILQ_FOREACH_SAFE(bp, &cpu->breakpoints, entry, next) { + if (bp->flags & mask) { + cpu_breakpoint_remove_by_ref(cpu, bp); + } + } +} -- 2.38.1