diff options
| author | Visa Hankala <visa@cvs.openbsd.org> | 2020-04-18 04:45:21 +0000 |
|---|---|---|
| committer | Visa Hankala <visa@cvs.openbsd.org> | 2020-04-18 04:45:21 +0000 |
| commit | 5a605a79f4c28e5941a2d7ddae133f41be01943b (patch) | |
| tree | 29dae8806a28879901fbcd50c1f3535ed6a8f24d /sys/arch/arm64 | |
| parent | 65e97594bd9ffe2fd77966373c16eb0015a4f2ae (diff) | |
Sync existing stacktrace_save() implementations
Upgrade stacktrace_save() to stacktrace_save_at() on architectures where
the latter is missing. Define stacktrace_save() as an inline function
in header <sys/stacktrace.h> to reduce duplication of code.
OK mpi@
Diffstat (limited to 'sys/arch/arm64')
| -rw-r--r-- | sys/arch/arm64/arm64/db_trace.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/arch/arm64/arm64/db_trace.c b/sys/arch/arm64/arm64/db_trace.c index 8ea1b463e56..a23e4f11d9b 100644 --- a/sys/arch/arm64/arm64/db_trace.c +++ b/sys/arch/arm64/arm64/db_trace.c @@ -1,4 +1,4 @@ -/* $OpenBSD: db_trace.c,v 1.10 2020/03/29 15:14:28 visa Exp $ */ +/* $OpenBSD: db_trace.c,v 1.11 2020/04/18 04:45:20 visa Exp $ */ /* $NetBSD: db_trace.c,v 1.8 2003/01/17 22:28:48 thorpej Exp $ */ /* @@ -150,7 +150,7 @@ db_stack_trace_print(db_expr_t addr, int have_addr, db_expr_t count, } void -stacktrace_save(struct stacktrace *st) +stacktrace_save_at(struct stacktrace *st, unsigned int skip) { struct callframe *frame, *lastframe, *limit; struct proc *p = curproc; @@ -166,7 +166,10 @@ stacktrace_save(struct stacktrace *st) sizeof(struct trapframe) - 0x10); while (st->st_count < STACKTRACE_MAX) { - st->st_pc[st->st_count++] = frame->f_lr; + if (skip == 0) + st->st_pc[st->st_count++] = frame->f_lr; + else + skip--; lastframe = frame; frame = frame->f_frame; |