Author: br
Date: Thu Aug 2 12:24:34 2018
New Revision: 337129
URL: https://svnweb.freebsd.org/changeset/base/337129
Log:
Implement pt_fpreg_to_ucontext(), pt_ucontext_to_fpreg().
Sponsored by: DARPA, AFRL
Modified:
head/lib/libthread_db/arch/riscv/libpthread_md.c
Modified: head/lib/libthread_db/arch/riscv/libpthread_md.c
==============================================================================
--- head/lib/libthread_db/arch/riscv/libpthread_md.c Thu Aug 2 12:21:39
2018 (r337128)
+++ head/lib/libthread_db/arch/riscv/libpthread_md.c Thu Aug 2 12:24:34
2018 (r337129)
@@ -80,15 +80,21 @@ pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r
void
pt_fpreg_to_ucontext(const struct fpreg *r __unused, ucontext_t *uc __unused)
{
+ mcontext_t *mc = &uc->uc_mcontext;
- /* RISCVTODO */
+ memcpy(&mc->mc_fpregs, r, sizeof(*r));
+ mc->mc_flags |= _MC_FP_VALID;
}
void
pt_ucontext_to_fpreg(const ucontext_t *uc __unused, struct fpreg *r __unused)
{
+ const mcontext_t *mc = &uc->uc_mcontext;
- /* RISCVTODO */
+ if (mc->mc_flags & _MC_FP_VALID)
+ memcpy(r, &mc->mc_fpregs, sizeof(*r));
+ else
+ memset(r, 0, sizeof(*r));
}
void
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