diff options
Diffstat (limited to 'subx/017functions.cc')
| -rw-r--r-- | subx/017functions.cc | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/subx/017functions.cc b/subx/017functions.cc index 13ac41d9..163894f2 100644 --- a/subx/017functions.cc +++ b/subx/017functions.cc @@ -47,10 +47,12 @@ case 2: { // call function pointer at r/m32 :(scenario call_mem_at_r32) % Reg[ESP].u = 0x64; % Reg[EBX].u = 0x10; -% write_mem_i32(0x10, 0x000000a0); +== 0x1 # code segment # op ModR/M SIB displacement immediate ff 13 # call function offset at *EBX # next EIP is 3 +== 0x10 # data segment +a0 00 00 00 # 0xa0 +run: call to r/m32 +run: effective address is 0x10 (EBX) +run: decrementing ESP to 0x00000060 @@ -61,9 +63,11 @@ case 2: { // call function pointer at r/m32 :(scenario ret) % Reg[ESP].u = 0x60; -% write_mem_i32(0x60, 0x00000010); +== 0x1 # code segment # op ModR/M SIB displacement immediate c3 +== 0x60 # data segment +10 00 00 00 # 0x10 +run: return +run: popping value 0x00000010 +run: jumping to 0x00000010 |