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Implement MD parts of ptrace.

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Approved by:	grehan (mentor)
This commit is contained in:
ssouhlal 2004-07-29 13:34:50 +00:00
parent 545b74a786
commit eb5ea5dd29
2 changed files with 86 additions and 26 deletions
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56
sys/powerpc/aim/machdep.c
View File

@ -772,71 +772,101 @@ exec_setregs(struct thread *td, u_long entry, u_long stack, u_long ps_strings)
td->td_pcb->pcb_flags = 0;
}
/* XXX: dummy {fill,set}_[fp]regs */
int
fill_regs(struct thread *td, struct reg *regs)
{
struct trapframe *tf;
return (ENOSYS);
tf = td->td_frame;
memcpy(regs, tf, sizeof(struct reg));
return (0);
}
int
fill_dbregs(struct thread *td, struct dbreg *dbregs)
{
/* No debug registers on PowerPC */
return (ENOSYS);
}
int
fill_fpregs(struct thread *td, struct fpreg *fpregs)
{
struct pcb *pcb;
return (ENOSYS);
pcb = td->td_pcb;
if ((pcb->pcb_flags & PCB_FPU) == 0)
memset(fpregs, 0, sizeof(struct fpreg));
else
memcpy(fpregs, &pcb->pcb_fpu, sizeof(struct fpreg));
return (0);
}
int
set_regs(struct thread *td, struct reg *regs)
{
struct trapframe *tf;
return (ENOSYS);
tf = td->td_frame;
memcpy(tf, regs, sizeof(struct reg));
return (0);
}
int
set_dbregs(struct thread *td, struct dbreg *dbregs)
{
/* No debug registers on PowerPC */
return (ENOSYS);
}
int
set_fpregs(struct thread *td, struct fpreg *fpregs)
{
struct pcb *pcb;
return (ENOSYS);
pcb = td->td_pcb;
if ((pcb->pcb_flags & PCB_FPU) == 0)
enable_fpu(td);
memcpy(&pcb->pcb_fpu, fpregs, sizeof(struct fpreg));
return (0);
}
int
ptrace_set_pc(struct thread *td, unsigned long addr)
{
struct trapframe *tf;
/* XXX: coming soon... */
return (ENOSYS);
tf = td->td_frame;
tf->srr0 = (register_t)addr;
return (0);
}
int
ptrace_single_step(struct thread *td)
{
struct trapframe *tf;
tf = td->td_frame;
tf->srr1 |= PSL_SE;
/* XXX: coming soon... */
return (ENOSYS);
return (0);
}
int
ptrace_clear_single_step(struct thread *td)
{
struct trapframe *tf;
/* XXX: coming soon... */
return (ENOSYS);
tf = td->td_frame;
tf->srr1 &= ~PSL_SE;
return (0);
}
/*

56
sys/powerpc/powerpc/machdep.c
View File

@ -772,71 +772,101 @@ exec_setregs(struct thread *td, u_long entry, u_long stack, u_long ps_strings)
td->td_pcb->pcb_flags = 0;
}
/* XXX: dummy {fill,set}_[fp]regs */
int
fill_regs(struct thread *td, struct reg *regs)
{
struct trapframe *tf;
return (ENOSYS);
tf = td->td_frame;
memcpy(regs, tf, sizeof(struct reg));
return (0);
}
int
fill_dbregs(struct thread *td, struct dbreg *dbregs)
{
/* No debug registers on PowerPC */
return (ENOSYS);
}
int
fill_fpregs(struct thread *td, struct fpreg *fpregs)
{
struct pcb *pcb;
return (ENOSYS);
pcb = td->td_pcb;
if ((pcb->pcb_flags & PCB_FPU) == 0)
memset(fpregs, 0, sizeof(struct fpreg));
else
memcpy(fpregs, &pcb->pcb_fpu, sizeof(struct fpreg));
return (0);
}
int
set_regs(struct thread *td, struct reg *regs)
{
struct trapframe *tf;
return (ENOSYS);
tf = td->td_frame;
memcpy(tf, regs, sizeof(struct reg));
return (0);
}
int
set_dbregs(struct thread *td, struct dbreg *dbregs)
{
/* No debug registers on PowerPC */
return (ENOSYS);
}
int
set_fpregs(struct thread *td, struct fpreg *fpregs)
{
struct pcb *pcb;
return (ENOSYS);
pcb = td->td_pcb;
if ((pcb->pcb_flags & PCB_FPU) == 0)
enable_fpu(td);
memcpy(&pcb->pcb_fpu, fpregs, sizeof(struct fpreg));
return (0);
}
int
ptrace_set_pc(struct thread *td, unsigned long addr)
{
struct trapframe *tf;
/* XXX: coming soon... */
return (ENOSYS);
tf = td->td_frame;
tf->srr0 = (register_t)addr;
return (0);
}
int
ptrace_single_step(struct thread *td)
{
struct trapframe *tf;
tf = td->td_frame;
tf->srr1 |= PSL_SE;
/* XXX: coming soon... */
return (ENOSYS);
return (0);
}
int
ptrace_clear_single_step(struct thread *td)
{
struct trapframe *tf;
/* XXX: coming soon... */
return (ENOSYS);
tf = td->td_frame;
tf->srr1 &= ~PSL_SE;
return (0);
}
/*