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7090 

A bugfix: the indirect call instruction treats its argument as an absolute
address, not a displacement.
This commit is contained in:
Kartik Agaram 2020-10-24 20:54:44 -07:00
parent 04bdbf3178
commit 7e2cf199fc
1 changed files with 3 additions and 3 deletions
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6
019functions.cc
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@ -51,7 +51,7 @@ void test_call_r32() {
"run: r/m32 is EBX\n"
"run: decrementing ESP to 0xbd000060\n"
"run: pushing value 0x00000003\n"
"run: jumping to 0x000000a3\n"
"run: jumping to 0x000000a0\n"
);
}
@ -60,7 +60,7 @@ case 2: { // call function pointer at r/m32
trace(Callstack_depth+1, "run") << "call to r/m32" << end();
const int32_t* offset = effective_address(modrm);
push(EIP);
EIP += *offset;
EIP = *offset;
trace(Callstack_depth+1, "run") << "jumping to 0x" << HEXWORD << EIP << end();
++Callstack_depth;
break;
@ -84,7 +84,7 @@ void test_call_mem_at_rm32() {
"run: effective address is 0x00002000 (EBX)\n"
"run: decrementing ESP to 0xbd000060\n"
"run: pushing value 0x00000003\n"
"run: jumping to 0x000000a3\n"
"run: jumping to 0x000000a0\n"
);
}