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| author | Edward Tomasz Napierala <trasz@FreeBSD.org> | 2021-11-06 08:35:04 +0000 |
|---|---|---|
| committer | Edward Tomasz Napierala <trasz@FreeBSD.org> | 2021-11-06 08:35:04 +0000 |
| commit | 6f397bc0fbe378664bbbc7c2296043e3b9673e2a (patch) | |
| tree | 4a2ae516a774cf412c89854fe3b20e4f1bfa76f8 | |
| parent | 3be6e606d7870a79baa7a4c5947dffd333defa79 (diff) | |
| download | src-6f397bc0fbe378664bbbc7c2296043e3b9673e2a.tar.gz src-6f397bc0fbe378664bbbc7c2296043e3b9673e2a.zip | |
linux: Implement linux_to_bsd_regset() on arm64
This will be used by ptrace.
Sponsored By: EPSRC
| -rw-r--r-- | sys/arm64/linux/linux.h | 2 | ||||
| -rw-r--r-- | sys/arm64/linux/linux_machdep.c | 13 |
2 files changed, 15 insertions, 0 deletions
diff --git a/sys/arm64/linux/linux.h b/sys/arm64/linux/linux.h index 5e4bf3ae0680..05e5bd189b36 100644 --- a/sys/arm64/linux/linux.h +++ b/sys/arm64/linux/linux.h @@ -324,5 +324,7 @@ struct reg; void bsd_to_linux_regset(const struct reg *b_reg, struct linux_pt_regset *l_regset); +void linux_to_bsd_regset(struct reg *b_reg, + const struct linux_pt_regset *l_regset); #endif /* _ARM64_LINUX_H_ */ diff --git a/sys/arm64/linux/linux_machdep.c b/sys/arm64/linux/linux_machdep.c index c874f86a5f0c..0bcc05ff06de 100644 --- a/sys/arm64/linux/linux_machdep.c +++ b/sys/arm64/linux/linux_machdep.c @@ -145,3 +145,16 @@ bsd_to_linux_regset(const struct reg *b_reg, struct linux_pt_regset *l_regset) l_regset->pc = b_reg->elr; l_regset->cpsr = b_reg->spsr; } + +void +linux_to_bsd_regset(struct reg *b_reg, const struct linux_pt_regset *l_regset) +{ + + KASSERT(sizeof(l_regset->x) == sizeof(b_reg->x) + sizeof(l_ulong), + ("%s: size mismatch\n", __func__)); + + memcpy(b_reg->x, l_regset->x, sizeof(b_reg->x)); + b_reg->sp = l_regset->sp; + b_reg->elr = l_regset->pc; + b_reg->spsr = l_regset->cpsr; +} |