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improve debugger disasm, :sym-name and fix Windows builds (#959)

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* improve debugger disasm, `:sym-name` and fix Windows builds

* >:(

* use this inline constexpr thing??

* fine use strings then

* please.... please work...

* fix windows debugger oopsie

* display rip as goal addr as well

* [debugger] attempt to backtrace even if landed on some garbage memory

* Update CMakePresets.json
This commit is contained in:
ManDude
2021-11-13 03:00:41 +00:00
committed by GitHub
parent 08d3294fcd
commit ff50cf2552
9 changed files with 133 additions and 48 deletions
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docs/markdown/debugging.md
+17 -18
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@@ -212,23 +212,22 @@ Disassembly instructions in memory
Example (after doing a `(lt)`, `(blg)`, `(dbg)`):
```nasm
gc> (:disasm (sym-val basic-type?) 80)
[0x2000162ae4] mov eax, [r15+rdi*1-0x04]
[0x2000162ae9] mov ecx, [r15+r14*1+0x38]
[0x2000162af1] mov rdx, rax
[0x2000162af4] cmp rdx, rsi
[0x2000162af7] jnz 0x0000002000162B0F
[0x2000162afd] mov eax, [r15+r14*1+0x08]
[0x2000162b05] jmp 0x0000002000162B32
[0x2000162b0a] jmp 0x0000002000162B19
[0x2000162b0f] mov rax, r14
[0x2000162b12] add rax, 0x00
[0x2000162b19] mov eax, [r15+rdx*1+0x04]
[0x2000162b1e] mov rdx, rax
[0x2000162b21] cmp rax, rcx
[0x2000162b24] jnz 0x0000002000162AF4
[0x2000162b2a] mov eax, [r15+r14*1]
[0x2000162b32] ret
gs> (:disasm (sym-val basic-type?) 59)
Object: gcommon
[0x28eb4c631c4] mov r9d, [r15+rdi*1-0x04]
[0x28eb4c631c9] mov r8d, [object]
[0x28eb4c631d1] cmp r9, rsi
[0x28eb4c631d4] jnz 0x0000028EB4C631E9
[0x28eb4c631da] lea rax, '#t
[0x28eb4c631df] jmp 0x0000028EB4C631FD
[0x28eb4c631e4] jmp 0x0000028EB4C631EC
[0x28eb4c631e9] mov rcx, '#f
[0x28eb4c631ec] mov r9d, [r15+r9*1+0x04]
[0x28eb4c631f1] cmp r9, r8
[0x28eb4c631f4] jnz 0x0000028EB4C631D1
[0x28eb4c631fa] mov rax, '#f
[0x28eb4c631fd] ret
```
For now, the disassembly is pretty basic, but it should eventually support GOAL symbols.
@@ -259,7 +258,7 @@ symbol name for symbol 30h is type
gs> (:sym-name #x80)
symbol name for symbol 80h is int64
gs> (:sym-name #x800)
symbol name for symbol 800h is <invalid symbol offset>
symbol 800h is not loaded or is invalid
```
Keep in mind `-#xa8` is not valid syntax for a negative number in hexadecimal.