git: 82283cad12a4 - main - dtrace: Avoid including dtrace_isa.c directly into dtrace.c
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Date: Wed, 24 Jul 2024 21:24:55 UTC
The branch main has been updated by markj:
URL: https://cgit.FreeBSD.org/src/commit/?id=82283cad12a417abfb1469d899b2d7cfb1d38f77
commit 82283cad12a417abfb1469d899b2d7cfb1d38f77
Author: Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2024-07-24 20:10:33 +0000
Commit: Mark Johnston <markj@FreeBSD.org>
CommitDate: 2024-07-24 21:24:46 +0000
dtrace: Avoid including dtrace_isa.c directly into dtrace.c
This was done in the original DTrace import, presumably because that
made it a bit easier to handle includes. However, this can cause
dtrace_getpcstack() to be inlined into dtrace_probe(), resulting in a
missing frame in stack traces since dtrace_getpcstack() takes care to
bump "aframes" to account for its own stack frame.
To avoid this, compile dtrace_isa.c separately on all platforms. Add
requisite includes.
MFC after: 2 weeks
Sponsored by: Innovate UK
---
sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c | 1 -
sys/cddl/dev/dtrace/aarch64/dtrace_isa.c | 3 +++
sys/cddl/dev/dtrace/amd64/dtrace_isa.c | 3 ++-
sys/cddl/dev/dtrace/arm/dtrace_isa.c | 1 +
sys/cddl/dev/dtrace/i386/dtrace_isa.c | 3 ++-
sys/cddl/dev/dtrace/powerpc/dtrace_isa.c | 2 ++
sys/cddl/dev/dtrace/riscv/dtrace_isa.c | 1 +
sys/cddl/dev/fbt/x86/fbt_isa.c | 2 +-
sys/conf/files.arm | 1 +
sys/conf/files.riscv | 1 +
sys/modules/dtrace/dtrace/Makefile | 1 +
11 files changed, 15 insertions(+), 4 deletions(-)
diff --git a/sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c b/sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c
index ce02676e0dc1..d3e40e96e897 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c
@@ -18446,7 +18446,6 @@ static struct cdevsw helper_cdevsw = {
#include <dtrace_unload.c>
#include <dtrace_vtime.c>
#include <dtrace_hacks.c>
-#include <dtrace_isa.c>
SYSINIT(dtrace_load, SI_SUB_DTRACE, SI_ORDER_FIRST, dtrace_load, NULL);
SYSUNINIT(dtrace_unload, SI_SUB_DTRACE, SI_ORDER_FIRST, dtrace_unload, NULL);
diff --git a/sys/cddl/dev/dtrace/aarch64/dtrace_isa.c b/sys/cddl/dev/dtrace/aarch64/dtrace_isa.c
index 72944e8a5ae2..ff0e068006bd 100644
--- a/sys/cddl/dev/dtrace/aarch64/dtrace_isa.c
+++ b/sys/cddl/dev/dtrace/aarch64/dtrace_isa.c
@@ -27,6 +27,7 @@
#include <sys/param.h>
#include <sys/systm.h>
+#include <sys/dtrace_impl.h>
#include <sys/kernel.h>
#include <sys/stack.h>
#include <sys/pcpu.h>
@@ -46,6 +47,8 @@
#include <ddb/ddb.h>
#include <sys/kdb.h>
+#include <cddl/dev/dtrace/dtrace_cddl.h>
+
#include "regset.h"
#define MAX_USTACK_DEPTH 2048
diff --git a/sys/cddl/dev/dtrace/amd64/dtrace_isa.c b/sys/cddl/dev/dtrace/amd64/dtrace_isa.c
index 0b7162998536..9db5a16190db 100644
--- a/sys/cddl/dev/dtrace/amd64/dtrace_isa.c
+++ b/sys/cddl/dev/dtrace/amd64/dtrace_isa.c
@@ -27,6 +27,7 @@
#include <sys/param.h>
#include <sys/systm.h>
+#include <sys/dtrace_impl.h>
#include <sys/kernel.h>
#include <sys/stack.h>
#include <sys/pcpu.h>
@@ -368,7 +369,7 @@ dtrace_getarg(int arg, int aframes)
for (i = 1; i <= aframes; i++) {
fp = fp->f_frame;
- if (P2ROUNDUP(fp->f_retaddr, 16) ==
+ if (roundup2(fp->f_retaddr, 16) ==
(long)dtrace_invop_callsite) {
/*
* In the case of amd64, we will use the pointer to the
diff --git a/sys/cddl/dev/dtrace/arm/dtrace_isa.c b/sys/cddl/dev/dtrace/arm/dtrace_isa.c
index c3783b77c2d4..ed03e5ca0006 100644
--- a/sys/cddl/dev/dtrace/arm/dtrace_isa.c
+++ b/sys/cddl/dev/dtrace/arm/dtrace_isa.c
@@ -27,6 +27,7 @@
#include <sys/param.h>
#include <sys/systm.h>
+#include <sys/dtrace_impl.h>
#include <sys/kernel.h>
#include <sys/stack.h>
#include <sys/pcpu.h>
diff --git a/sys/cddl/dev/dtrace/i386/dtrace_isa.c b/sys/cddl/dev/dtrace/i386/dtrace_isa.c
index 64c8de2a8d3a..7a30587120ba 100644
--- a/sys/cddl/dev/dtrace/i386/dtrace_isa.c
+++ b/sys/cddl/dev/dtrace/i386/dtrace_isa.c
@@ -27,6 +27,7 @@
#include <sys/param.h>
#include <sys/systm.h>
+#include <sys/dtrace_impl.h>
#include <sys/kernel.h>
#include <sys/stack.h>
#include <sys/pcpu.h>
@@ -428,7 +429,7 @@ dtrace_getarg(int arg, int aframes)
for (i = 1; i <= aframes; i++) {
fp = fp->f_frame;
- if (P2ROUNDUP(fp->f_retaddr, 4) ==
+ if (roundup2(fp->f_retaddr, 4) ==
(long)dtrace_invop_callsite) {
/*
* If we pass through the invalid op handler, we will
diff --git a/sys/cddl/dev/dtrace/powerpc/dtrace_isa.c b/sys/cddl/dev/dtrace/powerpc/dtrace_isa.c
index 7185a01c125d..acde4f0aeab2 100644
--- a/sys/cddl/dev/dtrace/powerpc/dtrace_isa.c
+++ b/sys/cddl/dev/dtrace/powerpc/dtrace_isa.c
@@ -29,6 +29,7 @@
#include <sys/param.h>
#include <sys/systm.h>
+#include <sys/dtrace_impl.h>
#include <sys/kernel.h>
#include <sys/stack.h>
#include <sys/sysent.h>
@@ -37,6 +38,7 @@
#include <machine/frame.h>
#include <machine/md_var.h>
#include <machine/psl.h>
+#include <machine/reg.h>
#include <machine/stack.h>
#include <vm/vm.h>
diff --git a/sys/cddl/dev/dtrace/riscv/dtrace_isa.c b/sys/cddl/dev/dtrace/riscv/dtrace_isa.c
index 87f52b809dfa..7a66d93d4ba9 100644
--- a/sys/cddl/dev/dtrace/riscv/dtrace_isa.c
+++ b/sys/cddl/dev/dtrace/riscv/dtrace_isa.c
@@ -29,6 +29,7 @@
#include <sys/param.h>
#include <sys/systm.h>
+#include <sys/dtrace_impl.h>
#include <sys/kernel.h>
#include <sys/stack.h>
#include <sys/pcpu.h>
diff --git a/sys/cddl/dev/fbt/x86/fbt_isa.c b/sys/cddl/dev/fbt/x86/fbt_isa.c
index 387a3f1582c3..ee05d37b383e 100644
--- a/sys/cddl/dev/fbt/x86/fbt_isa.c
+++ b/sys/cddl/dev/fbt/x86/fbt_isa.c
@@ -54,7 +54,7 @@
#define FBT_PATCHVAL 0xf0
#endif
-#define FBT_AFRAMES 2
+#define FBT_AFRAMES 3
int
fbt_invop(uintptr_t addr, struct trapframe *frame, uintptr_t scratch __unused)
diff --git a/sys/conf/files.arm b/sys/conf/files.arm
index 825680b73165..5ada97ccad30 100644
--- a/sys/conf/files.arm
+++ b/sys/conf/files.arm
@@ -76,6 +76,7 @@ arm/arm/unwind.c optional ddb | kdtrace_hooks | stack
arm/arm/vm_machdep.c standard
arm/arm/vfp.c optional vfp
cddl/dev/dtrace/arm/dtrace_asm.S optional dtrace compile-with "${DTRACE_S}"
+cddl/dev/dtrace/arm/dtrace_isa.c optional dtrace compile-with "${DTRACE_C}"
cddl/dev/dtrace/arm/dtrace_subr.c optional dtrace compile-with "${DTRACE_C}"
cddl/dev/fbt/arm/fbt_isa.c optional dtrace_fbt | dtraceall compile-with "${FBT_C}"
diff --git a/sys/conf/files.riscv b/sys/conf/files.riscv
index 5b94eb327f93..89fb6f3cbe5a 100644
--- a/sys/conf/files.riscv
+++ b/sys/conf/files.riscv
@@ -1,4 +1,5 @@
cddl/dev/dtrace/riscv/dtrace_asm.S optional dtrace compile-with "${DTRACE_S}"
+cddl/dev/dtrace/riscv/dtrace_isa.c optional dtrace compile-with "${DTRACE_C}"
cddl/dev/dtrace/riscv/dtrace_subr.c optional dtrace compile-with "${DTRACE_C}"
cddl/dev/dtrace/riscv/instr_size.c optional dtrace compile-with "${DTRACE_C}"
cddl/dev/fbt/riscv/fbt_isa.c optional dtrace_fbt | dtraceall compile-with "${FBT_C}"
diff --git a/sys/modules/dtrace/dtrace/Makefile b/sys/modules/dtrace/dtrace/Makefile
index 765a8477f3f2..472de0ff944b 100644
--- a/sys/modules/dtrace/dtrace/Makefile
+++ b/sys/modules/dtrace/dtrace/Makefile
@@ -12,6 +12,7 @@ KMOD= dtrace
SRCS= dtrace.c \
dtrace_xoroshiro128_plus.c \
dtrace_asm.S \
+ dtrace_isa.c \
dtrace_subr.c
.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"