
* enable func call injection on delve for ppc64le * Function call injection on Delve/ppc64le, modified DWARF encoding and decoding for floating point registers to make floatsum test work * Function call injection on Delve/ppc64le cleanup * skip PIE tests for function call injection on other packages * Address review comments * accounted for additional skipped PIE tests for function call injection * Code cleanup and undoing revert of previous commit * Enable function call injection only on 1.22 and above and some cleanup * additional cleanup, go fmt run * Debug function call tests fail on ppc64le/PIE mode adjusted the backup_test_health.md file accordingly
49 lines
1.5 KiB
Go
49 lines
1.5 KiB
Go
package native
|
|
|
|
import (
|
|
"fmt"
|
|
"debug/elf"
|
|
"syscall"
|
|
"unsafe"
|
|
|
|
sys "golang.org/x/sys/unix"
|
|
|
|
|
|
"github.com/go-delve/delve/pkg/proc"
|
|
"github.com/go-delve/delve/pkg/proc/linutil"
|
|
)
|
|
|
|
func (t *nativeThread) fpRegisters() ([]proc.Register, []byte, error) {
|
|
var regs []proc.Register
|
|
var fpregs linutil.PPC64LEPtraceFpRegs
|
|
var err error
|
|
|
|
t.dbp.execPtraceFunc(func() { fpregs.Fp, err = ptraceGetFpRegset(t.ID) })
|
|
regs = fpregs.Decode()
|
|
if err != nil {
|
|
err = fmt.Errorf("could not get floating point registers: %v", err.Error())
|
|
}
|
|
return regs, fpregs.Fp, err
|
|
}
|
|
|
|
func (t *nativeThread) restoreRegisters(savedRegs proc.Registers) error {
|
|
sr := savedRegs.(*linutil.PPC64LERegisters)
|
|
|
|
var restoreRegistersErr error
|
|
t.dbp.execPtraceFunc(func() {
|
|
restoreRegistersErr = ptraceSetGRegs(t.ID, sr.Regs)
|
|
if restoreRegistersErr != syscall.Errno(0) && restoreRegistersErr != nil {
|
|
return
|
|
}
|
|
if sr.Fpregset != nil {
|
|
iov := sys.Iovec{Base: &sr.Fpregset[0], Len: _PPC64LE_FPREGS_SIZE}
|
|
_, _, restoreRegistersErr = syscall.Syscall6(syscall.SYS_PTRACE, sys.PTRACE_SETREGSET, uintptr(t.ID), uintptr(elf.NT_FPREGSET), uintptr(unsafe.Pointer(&iov)), 0, 0)
|
|
}
|
|
})
|
|
if restoreRegistersErr == syscall.Errno(0) {
|
|
restoreRegistersErr = nil
|
|
}
|
|
return restoreRegistersErr
|
|
}
|
|
|