ed/raddebugger
1
0
Fork 0
mirror of https://github.com/Ed94/raddebugger.git synced 2026-06-15 16:42:23 -07:00
Code Issues Packages Projects Releases Wiki Activity

ctrl flow analysis -> dasm layer

Browse Source
This commit is contained in:
Ryan Fleury
2024-08-29 10:58:16 -07:00
parent 5907783a2e
commit 9bba4f224c
4 changed files with 93 additions and 101 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/dasm_cache/dasm_cache.c
+30
View File
@@ -134,6 +134,36 @@ dasm_inst_from_code(Arena *arena, Architecture arch, U64 vaddr, String8 code, DA
return inst;
}
////////////////////////////////
//~ rjf: Control Flow Analysis
internal DASM_CtrlFlowInfo
dasm_ctrl_flow_info_from_arch_vaddr_code(Arena *arena, DASM_InstFlags exit_points_mask, Architecture arch, U64 vaddr, String8 code)
{
Temp scratch = scratch_begin(&arena, 1);
DASM_CtrlFlowInfo info = {0};
for(U64 offset = 0; offset < code.size;)
{
DASM_Inst inst = dasm_inst_from_code(scratch.arena, arch, vaddr+offset, str8_skip(code, offset), DASM_Syntax_Intel);
U64 inst_vaddr = vaddr+offset;
offset += inst.size;
info.total_size += inst.size;
if(inst.flags & exit_points_mask)
{
DASM_CtrlFlowPoint point = {0};
point.inst_flags = inst.flags;
point.vaddr = inst_vaddr;
point.jump_dest_vaddr = inst.jump_dest_vaddr;
DASM_CtrlFlowPointNode *node = push_array(arena, DASM_CtrlFlowPointNode, 1);
node->v = point;
SLLQueuePush(info.exit_points.first, info.exit_points.last, node);
info.exit_points.count += 1;
}
}
scratch_end(scratch);
return info;
}
////////////////////////////////
//~ rjf: Parameter Type Functions