From: John Baldwin <jhb@FreeBSD.org>
To: gdb-patches@sourceware.org
Subject: [PATCH v2 11/12] fbsd-nat: Add a low_prepare_to_resume virtual method.
Date: Wed, 16 Mar 2022 13:19:22 -0700 [thread overview]
Message-ID: <20220316201923.89694-12-jhb@FreeBSD.org> (raw)
In-Reply-To: <20220316201923.89694-1-jhb@FreeBSD.org>
This method can be overridden by architecture-specific targets to
perform additional work before a thread is resumed.
---
gdb/fbsd-nat.c | 9 +++++++--
gdb/fbsd-nat.h | 4 ++++
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/gdb/fbsd-nat.c b/gdb/fbsd-nat.c
index 2bc7937a38b..934fdbad6ef 100644
--- a/gdb/fbsd-nat.c
+++ b/gdb/fbsd-nat.c
@@ -1138,6 +1138,8 @@ fbsd_nat_target::resume (ptid_t ptid, int step, enum gdb_signal signo)
perror_with_name (request == PT_RESUME ?
("ptrace (PT_RESUME)") :
("ptrace (PT_SUSPEND)"));
+ if (request == PT_RESUME)
+ low_prepare_to_resume (tp);
}
}
else
@@ -1145,8 +1147,11 @@ fbsd_nat_target::resume (ptid_t ptid, int step, enum gdb_signal signo)
/* If ptid is a wildcard, resume all matching threads (they won't run
until the process is continued however). */
for (thread_info *tp : all_non_exited_threads (this, ptid))
- if (ptrace (PT_RESUME, tp->ptid.lwp (), NULL, 0) == -1)
- perror_with_name (("ptrace (PT_RESUME)"));
+ {
+ if (ptrace (PT_RESUME, tp->ptid.lwp (), NULL, 0) == -1)
+ perror_with_name (("ptrace (PT_RESUME)"));
+ low_prepare_to_resume (tp);
+ }
ptid = inferior_ptid;
}
diff --git a/gdb/fbsd-nat.h b/gdb/fbsd-nat.h
index 6028aebfccc..82f7ee47949 100644
--- a/gdb/fbsd-nat.h
+++ b/gdb/fbsd-nat.h
@@ -119,6 +119,10 @@ class fbsd_nat_target : public inf_ptrace_target
virtual void low_delete_thread (thread_info *)
{}
+ /* Hook to call prior to resuming a thread. */
+ virtual void low_prepare_to_resume (thread_info *)
+ {}
+
protected:
void post_startup_inferior (ptid_t) override;
--
2.34.1
next prev parent reply other threads:[~2022-03-16 20:19 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-16 20:19 [PATCH v2 00/12] FreeBSD/aarch64 hardware watchpoint support John Baldwin
2022-03-16 20:19 ` [PATCH v2 01/12] Remove USE_SIGTRAP_SIGINFO condition for FreeBSD/x86 debug regs support John Baldwin
2022-03-16 20:19 ` [PATCH v2 02/12] x86-nat: Use an unordered_map to store per-pid debug reg state John Baldwin
2022-03-21 18:07 ` Pedro Alves
2022-03-16 20:19 ` [PATCH v2 03/12] x86-nat: Add x86_lookup_debug_reg_state John Baldwin
2022-03-21 18:10 ` Pedro Alves
2022-03-16 20:19 ` [PATCH v2 04/12] Add an x86_fbsd_nat_target mixin class for FreeBSD x86 native targets John Baldwin
2022-03-16 20:19 ` [PATCH v2 05/12] fbsd-nat: Add a low_new_fork virtual method John Baldwin
2022-03-16 20:19 ` [PATCH v2 06/12] x86-fbsd-nat: Copy debug register state on fork John Baldwin
2022-03-16 20:19 ` [PATCH v2 07/12] nat: Split out platform-independent aarch64 debug register support John Baldwin
2022-03-17 15:37 ` Luis Machado
2022-03-16 20:19 ` [PATCH v2 08/12] aarch64: Add an aarch64_nat_target mixin class John Baldwin
2022-03-17 15:35 ` Luis Machado
2022-03-16 20:19 ` [PATCH v2 09/12] fbsd-nat: Add helper routine to fetch siginfo_t for a ptid John Baldwin
2022-03-16 20:19 ` [PATCH v2 10/12] fbsd-nat: Add a low_delete_thread virtual method John Baldwin
2022-03-16 20:19 ` John Baldwin [this message]
2022-03-16 20:19 ` [PATCH v2 12/12] Add support for hardware breakpoints/watchpoints on FreeBSD/Aarch64 John Baldwin
2022-03-30 15:23 ` [PATCH v2 00/12] FreeBSD/aarch64 hardware watchpoint support Luis Machado
2022-03-30 15:31 ` Luis Machado
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