f3a191cd73
Implement debugging function for 386 on linux with reference to AMD64. There are a few remaining problems that need to be solved in another time. 1. The stacktrace of cgo are not exactly as expected. 2. Not implement `core` for now. 3. Not implement `call` for now. Can't not find `runtime·debugCallV1` or similar function in $GOROOT/src/runtime/asm_386.s. Update #20
61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
package fbsdutil
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import (
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"testing"
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"golang.org/x/arch/x86/x86asm"
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)
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func TestAMD64Get(t *testing.T) {
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val := int64(0x7fffffffdeadbeef)
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regs := AMD64Registers{
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Regs: &AMD64PtraceRegs{
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Rax: val,
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},
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}
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// Test AL, low 8 bits of RAX
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al, err := regs.Get(int(x86asm.AL))
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if err != nil {
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t.Fatal(err)
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}
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if al != 0xef {
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t.Fatalf("expected %#v, got %#v\n", 0xef, al)
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}
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// Test AH, high 8 bits of RAX
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ah, err := regs.Get(int(x86asm.AH))
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if err != nil {
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t.Fatal(err)
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}
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if ah != 0xBE {
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t.Fatalf("expected %#v, got %#v\n", 0xbe, ah)
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}
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// Test AX, lower 16 bits of RAX
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ax, err := regs.Get(int(x86asm.AX))
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if err != nil {
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t.Fatal(err)
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}
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if ax != 0xBEEF {
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t.Fatalf("expected %#v, got %#v\n", 0xbeef, ax)
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}
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// Test EAX, lower 32 bits of RAX
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eax, err := regs.Get(int(x86asm.EAX))
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if err != nil {
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t.Fatal(err)
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}
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if eax != 0xDEADBEEF {
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t.Fatalf("expected %#v, got %#v\n", uint64(0xdeadbeef), eax)
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}
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// Test RAX, full 64 bits of register
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rax, err := regs.Get(int(x86asm.RAX))
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if err != nil {
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t.Fatal(err)
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}
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if rax != uint64(val) {
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t.Fatalf("expected %#v, got %#v\n", val, rax)
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}
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}
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