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Roughly implement libpthread support.
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parent
1e7d5fbfb0
commit
85999a0155
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=169187
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@ -37,21 +37,37 @@ __FBSDID("$FreeBSD$");
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void
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pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc)
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{
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mcontext_t *mc = &uc->uc_mcontext;
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memcpy(mc->mc_frame, r, MIN(sizeof(mc->mc_frame), sizeof(*r)));
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}
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void
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pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r)
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{
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const mcontext_t *mc = &uc->uc_mcontext;
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memcpy(r, mc->mc_frame, MIN(sizeof(mc->mc_frame), sizeof(*r)));
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}
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void
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pt_fpreg_to_ucontext(const struct fpreg* r, ucontext_t *uc)
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pt_fpreg_to_ucontext(const struct fpreg *r, ucontext_t *uc)
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{
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mcontext_t *mc = &uc->uc_mcontext;
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memcpy(mc->mc_fpreg, r, MIN(sizeof(mc->mc_fpreg), sizeof(*r)));
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mc->mc_flags |= _MC_FP_VALID;
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}
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void
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pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r)
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{
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const mcontext_t *mc = &uc->uc_mcontext;
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if (mc->mc_flags & _MC_FP_VALID)
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memcpy(r, mc->mc_fpreg, MIN(sizeof(mc->mc_fpreg), sizeof(*r)));
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else
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memset(r, 0, sizeof(*r));
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}
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void
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@ -62,4 +78,6 @@ pt_md_init(void)
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int
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pt_reg_sstep(struct reg *reg, int step)
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{
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/* XXX */
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}
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