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eliminate os_core, move into base; eliminate regs, move into arch abstraction layer, define x64 regs in x64 layer; move win32 backend for os core (now base) functionality to top-level win32 layer

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This commit is contained in:
Ryan Fleury
2026-05-08 15:21:21 -07:00
parent 24c858171f
commit aea4a4ff9d
148 changed files with 7942 additions and 5268 deletions
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src/dbg_engine/dbg_engine_user.c
+12 -9
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@@ -300,7 +300,7 @@ d_trap_net_from_thread__step_over_inst(Arena *arena, D_Entity *thread)
String8 machine_code = {0};
{
Rng1U64 rng = r1u64(ip_vaddr, ip_vaddr+max_instruction_size_from_arch(arch));
D_ProcessMemorySlice machine_code_slice = d_process_memory_slice_from_vaddr_range(scratch.arena, process->handle, rng, 0, os_now_microseconds()+5000);
D_ProcessMemorySlice machine_code_slice = d_process_memory_slice_from_vaddr_range(scratch.arena, process->handle, rng, 0, now_time_us()+5000);
machine_code = machine_code_slice.data;
}
@@ -393,7 +393,7 @@ d_trap_net_from_thread__step_over_line(Arena *arena, D_Entity *thread)
B32 good_machine_code = 0;
if(good_line_info)
{
D_ProcessMemorySlice machine_code_slice = d_process_memory_slice_from_vaddr_range(scratch.arena, process->handle, line_vaddr_rng, 0, os_now_microseconds()+50000);
D_ProcessMemorySlice machine_code_slice = d_process_memory_slice_from_vaddr_range(scratch.arena, process->handle, line_vaddr_rng, 0, now_time_us()+50000);
machine_code = machine_code_slice.data;
good_machine_code = (machine_code.size >= dim_1u64(line_vaddr_rng) && !machine_code_slice.any_byte_bad);
LogInfoNamedBlockF("machine_code_slice")
@@ -604,7 +604,7 @@ d_trap_net_from_thread__step_into_line(Arena *arena, D_Entity *thread)
B32 good_machine_code = 0;
if(good_line_info)
{
D_ProcessMemorySlice machine_code_slice = d_process_memory_slice_from_vaddr_range(scratch.arena, process->handle, line_vaddr_rng, 0, os_now_microseconds()+5000);
D_ProcessMemorySlice machine_code_slice = d_process_memory_slice_from_vaddr_range(scratch.arena, process->handle, line_vaddr_rng, 0, now_time_us()+5000);
machine_code = machine_code_slice.data;
good_machine_code = (machine_code.size >= dim_1u64(line_vaddr_rng) && !machine_code_slice.any_byte_bad);
}
@@ -1215,7 +1215,8 @@ d_query_cached_rip_from_thread_unwind(D_Entity *thread, U64 unwind_count)
D_CallStack callstack = d_call_stack_from_thread(access, thread->handle, 1, 0);
if(callstack.concrete_frames_count != 0)
{
result = regs_rip_from_arch_block(thread->arch, callstack.concrete_frames[unwind_count%callstack.concrete_frames_count]->regs);
ARCH_Info *arch_info = arch_info_from_arch(thread->arch);
result = arch_ip_from_reg_block(arch_info, callstack.concrete_frames[unwind_count%callstack.concrete_frames_count]->regs);
}
access_close(access);
}
@@ -1648,7 +1649,7 @@ d_tick(Arena *arena, D_TargetArray *targets, D_BreakpointArray *breakpoints, D_P
String8List env = target->env;
if(working_directory.size == 0)
{
working_directory = os_get_current_path(scratch.arena);
working_directory = get_current_path(scratch.arena);
}
// rjf: build launch options
@@ -1811,12 +1812,13 @@ d_tick(Arena *arena, D_TargetArray *targets, D_BreakpointArray *breakpoints, D_P
Access *access = access_open();
// rjf: thread => call stack
D_CallStack callstack = d_call_stack_from_thread(access, thread->handle, 1, os_now_microseconds()+10000);
D_CallStack callstack = d_call_stack_from_thread(access, thread->handle, 1, now_time_us()+10000);
// rjf: use first unwind frame to generate trap
if(callstack.concrete_frames_count > 1)
{
U64 vaddr = regs_rip_from_arch_block(thread->arch, callstack.concrete_frames[1]->regs);
ARCH_Info *arch_info = arch_info_from_arch(thread->arch);
U64 vaddr = arch_ip_from_reg_block(arch_info, callstack.concrete_frames[1]->regs);
D_Trap trap = {D_TrapFlag_EndStepping|D_TrapFlag_IgnoreStackPointerCheck, vaddr};
d_trap_list_push(scratch.arena, &trap_net.traps, &trap);
trap_net.good_read = 1;
@@ -1875,9 +1877,10 @@ d_tick(Arena *arena, D_TargetArray *targets, D_BreakpointArray *breakpoints, D_P
case D_CmdKind_SetThreadIP:
{
D_Entity *thread = d_entity_from_handle(&d_user_state->ctrl_entity_store->ctx, params->thread);
ARCH_Info *arch_info = arch_info_from_arch(thread->arch);
U64 vaddr = params->vaddr;
void *block = d_reg_block_from_thread(scratch.arena, &d_user_state->ctrl_entity_store->ctx, thread->handle);
regs_arch_block_write_rip(thread->arch, block, vaddr);
arch_reg_block_write_ip(arch_info, block, vaddr);
B32 result = d_thread_write_reg_block(thread->handle, block);
(void)result;
}break;
@@ -2120,7 +2123,7 @@ d_tick(Arena *arena, D_TargetArray *targets, D_BreakpointArray *breakpoints, D_P
d_user_state->ctrl_soft_halt_issued = 1;
d_halt();
}
if(d_u2c_push_msgs(&d_user_state->ctrl_msgs, os_now_microseconds()+100))
if(d_u2c_push_msgs(&d_user_state->ctrl_msgs, now_time_us()+100))
{
MemoryZeroStruct(&d_user_state->ctrl_msgs);
arena_clear(d_user_state->ctrl_msg_arena);