Module Name: src
Committed By: riastradh
Date: Tue May 9 21:29:07 UTC 2023
Modified Files:
src/external/cddl/osnet/dev/fbt/aarch64: fbt_isa.c
Log Message:
dtrace_fbt: Read and write instruction words in little-endian.
Step toward making this work on aarch64eb.
To generate a diff of this commit:
cvs rdiff -u -r1.7 -r1.8 src/external/cddl/osnet/dev/fbt/aarch64/fbt_isa.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/external/cddl/osnet/dev/fbt/aarch64/fbt_isa.c
diff -u src/external/cddl/osnet/dev/fbt/aarch64/fbt_isa.c:1.7 src/external/cddl/osnet/dev/fbt/aarch64/fbt_isa.c:1.8
--- src/external/cddl/osnet/dev/fbt/aarch64/fbt_isa.c:1.7 Wed Mar 24 04:46:41 2021
+++ src/external/cddl/osnet/dev/fbt/aarch64/fbt_isa.c Tue May 9 21:29:07 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: fbt_isa.c,v 1.7 2021/03/24 04:46:41 simonb Exp $ */
+/* $NetBSD: fbt_isa.c,v 1.8 2023/05/09 21:29:07 riastradh Exp $ */
/*
* CDDL HEADER START
@@ -103,7 +103,7 @@ fbt_patch_tracepoint(fbt_probe_t *fbt, f
return;
if (!mm_md_direct_mapped_phys(pa, &va))
return;
- *(fbt_patchval_t *)va = val;
+ *(fbt_patchval_t *)va = htole32(val);
cpu_icache_sync_range((vm_offset_t)fbt->fbtp_patchpoint, sizeof(val));
}
@@ -157,7 +157,7 @@ fbt_provide_module_cb(const char *name,
/* Look for stp (pre-indexed) operation */
for (; instr < limit; instr++) {
- if ((*instr & LDP_STP_MASK) == STP_64)
+ if ((le32toh(*instr) & LDP_STP_MASK) == STP_64)
break;
}
@@ -181,7 +181,7 @@ fbt_provide_module_cb(const char *name,
#ifdef __NetBSD__
fbt->fbtp_ctl = mod;
#endif
- fbt->fbtp_savedval = *instr;
+ fbt->fbtp_savedval = le32toh(*instr);
fbt->fbtp_patchval = FBT_PATCHVAL;
fbt->fbtp_symindx = symindx;
@@ -195,10 +195,10 @@ fbt_provide_module_cb(const char *name,
retfbt = NULL;
again:
for (; instr < limit; instr++) {
- if (*instr == RET_INSTR)
+ if (le32toh(*instr) == RET_INSTR)
break;
- else if ((*instr & B_MASK) == B_INSTR) {
- offs = (*instr & B_DATA_MASK);
+ else if ((le32toh(*instr) & B_MASK) == B_INSTR) {
+ offs = (le32toh(*instr) & B_DATA_MASK);
offs *= 4;
target = (instr + offs);
#ifdef __FreeBSD__
@@ -241,7 +241,7 @@ again:
#ifdef __NetBSD__
fbt->fbtp_ctl = mod;
#endif
- fbt->fbtp_savedval = *instr;
+ fbt->fbtp_savedval = le32toh(*instr);
fbt->fbtp_patchval = FBT_PATCHVAL;
fbt->fbtp_symindx = symindx;
