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sys/compat/freebsd32/freebsd32_misc.c
| Show First 20 Lines • Show All 926 Lines • ▼ Show 20 Lines | |||||
| int | int | ||||
| freebsd32_ptrace(struct thread *td, struct freebsd32_ptrace_args *uap) | freebsd32_ptrace(struct thread *td, struct freebsd32_ptrace_args *uap) | ||||
| { | { | ||||
| union { | union { | ||||
| struct ptrace_io_desc piod; | struct ptrace_io_desc piod; | ||||
| struct ptrace_lwpinfo pl; | struct ptrace_lwpinfo pl; | ||||
| struct ptrace_vm_entry pve; | struct ptrace_vm_entry pve; | ||||
| struct ptrace_coredump pc; | |||||
| struct dbreg32 dbreg; | struct dbreg32 dbreg; | ||||
| struct fpreg32 fpreg; | struct fpreg32 fpreg; | ||||
| struct reg32 reg; | struct reg32 reg; | ||||
| register_t args[nitems(td->td_sa.args)]; | register_t args[nitems(td->td_sa.args)]; | ||||
| struct ptrace_sc_ret psr; | struct ptrace_sc_ret psr; | ||||
| int ptevents; | int ptevents; | ||||
| } r; | } r; | ||||
| union { | union { | ||||
| struct ptrace_io_desc32 piod; | struct ptrace_io_desc32 piod; | ||||
| struct ptrace_lwpinfo32 pl; | struct ptrace_lwpinfo32 pl; | ||||
| struct ptrace_vm_entry32 pve; | struct ptrace_vm_entry32 pve; | ||||
| struct ptrace_coredump32 pc; | |||||
| uint32_t args[nitems(td->td_sa.args)]; | uint32_t args[nitems(td->td_sa.args)]; | ||||
| struct ptrace_sc_ret32 psr; | struct ptrace_sc_ret32 psr; | ||||
| } r32; | } r32; | ||||
| void *addr; | void *addr; | ||||
| int data, error = 0, i; | int data, error = 0, i; | ||||
| AUDIT_ARG_PID(uap->pid); | AUDIT_ARG_PID(uap->pid); | ||||
| AUDIT_ARG_CMD(uap->req); | AUDIT_ARG_CMD(uap->req); | ||||
| ▲ Show 20 Lines • Show All 61 Lines • ▼ Show 20 Lines | case PT_VM_ENTRY: | ||||
| CP(r32.pve, r.pve, pve_start); | CP(r32.pve, r.pve, pve_start); | ||||
| CP(r32.pve, r.pve, pve_end); | CP(r32.pve, r.pve, pve_end); | ||||
| CP(r32.pve, r.pve, pve_offset); | CP(r32.pve, r.pve, pve_offset); | ||||
| CP(r32.pve, r.pve, pve_prot); | CP(r32.pve, r.pve, pve_prot); | ||||
| CP(r32.pve, r.pve, pve_pathlen); | CP(r32.pve, r.pve, pve_pathlen); | ||||
| CP(r32.pve, r.pve, pve_fileid); | CP(r32.pve, r.pve, pve_fileid); | ||||
| CP(r32.pve, r.pve, pve_fsid); | CP(r32.pve, r.pve, pve_fsid); | ||||
| PTRIN_CP(r32.pve, r.pve, pve_path); | PTRIN_CP(r32.pve, r.pve, pve_path); | ||||
| break; | |||||
| case PT_COREDUMP: | |||||
| if (uap->data != sizeof(r32.pc)) | |||||
| error = EINVAL; | |||||
| else | |||||
| error = copyin(uap->addr, &r32.pc, uap->data); | |||||
| CP(r32.pc, r.pc, pc_fd); | |||||
| CP(r32.pc, r.pc, pc_flags); | |||||
| r.pc.pc_limit = PAIR32TO64(off_t, r32.pc.pc_limit); | |||||
markj: Do you have to update `data` to make it equal to `sizeof(r.pc)`? | |||||
| data = sizeof(r.pc); | |||||
| break; | break; | ||||
| default: | default: | ||||
| addr = uap->addr; | addr = uap->addr; | ||||
| break; | break; | ||||
| } | } | ||||
| if (error) | if (error) | ||||
| return (error); | return (error); | ||||
| ▲ Show 20 Lines • Show All 2,815 Lines • Show Last 20 Lines | |||||
Do you have to update data to make it equal to sizeof(r.pc)?