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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/demon/linux/demon_core_linux.c
+21 -13
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@@ -753,7 +753,8 @@ dmn_lnx_thread_alloc(DMN_LNX_Process *process, DMN_LNX_ThreadState thread_state,
}
else
{
U64 reg_block_size = regs_block_size_from_arch(process->ctx->arch);
ARCH_Info *arch_info = arch_info_from_arch(process->ctx->arch);
U64 reg_block_size = arch_info->reg_block_size;
reg_block = push_array(process->ctx->arena, U8, reg_block_size);
}
@@ -1130,26 +1131,32 @@ dmn_lnx_process_untrap_probes(DMN_LNX_Process *process)
internal U64
dmn_lnx_thread_read_ip(DMN_LNX_Thread *thread)
{
return regs_rip_from_arch_block(thread->process->ctx->arch, thread->reg_block);
ARCH_Info *arch_info = arch_info_from_arch(thread->process->ctx->arch);
U64 result = arch_ip_from_reg_block(arch_info, thread->reg_block);
return result;
}
internal U64
dmn_lnx_thread_read_sp(DMN_LNX_Thread *thread)
{
return regs_rsp_from_arch_block(thread->process->ctx->arch, thread->reg_block);
ARCH_Info *arch_info = arch_info_from_arch(thread->process->ctx->arch);
U64 result = arch_sp_from_reg_block(arch_info, thread->reg_block);
return result;
}
internal void
dmn_lnx_thread_write_ip(DMN_LNX_Thread *thread, U64 ip)
{
regs_arch_block_write_rip(thread->process->ctx->arch, thread->reg_block, ip);
ARCH_Info *arch_info = arch_info_from_arch(thread->process->ctx->arch);
arch_reg_block_write_ip(arch_info, thread->reg_block, ip);
thread->is_reg_block_dirty = 1;
}
internal void
dmn_lnx_thread_write_sp(DMN_LNX_Thread *thread, U64 sp)
{
regs_arch_block_write_rsp(thread->process->ctx->arch, thread->reg_block, sp);
ARCH_Info *arch_info = arch_info_from_arch(thread->process->ctx->arch);
arch_reg_block_write_sp(arch_info, thread->reg_block, sp);
thread->is_reg_block_dirty = 1;
}
@@ -1166,7 +1173,7 @@ dmn_lnx_thread_read_reg_block(DMN_LNX_Thread *thread)
case Arch_x64:
{
DMN_LNX_ProcessCtx *process_ctx = thread->process->ctx;
REGS_RegBlockX64 *dst = thread->reg_block;
X64_RegBlock *dst = thread->reg_block;
// general purpose registers
{
@@ -1364,7 +1371,7 @@ dmn_lnx_thread_write_reg_block(DMN_LNX_Thread *thread)
case Arch_x64:
{
DMN_LNX_ProcessCtx *process_ctx = thread->process->ctx;
REGS_RegBlockX64 *src = thread->reg_block;
X64_RegBlock *src = thread->reg_block;
// general purpose registers
{
@@ -1555,7 +1562,7 @@ dmn_lnx_set_single_step_flag(DMN_LNX_Thread *thread, B32 is_on)
case Arch_Null: {} break;
case Arch_x64:
{
REGS_RegBlockX64 *reg_block = thread->reg_block;
X64_RegBlock *reg_block = thread->reg_block;
if(is_on) { reg_block->rflags.u64 |= X64_RFlag_Trap; }
else { reg_block->rflags.u64 &= ~X64_RFlag_Trap; }
thread->is_reg_block_dirty = 1;
@@ -2082,7 +2089,7 @@ dmn_lnx_event_data_breakpoint(Arena *arena, DMN_EventList *events, pid_t tid)
case Arch_Null: {} break;
case Arch_x64:
{
REGS_RegBlockX64 *regs_x64 = thread->reg_block;
X64_RegBlock *regs_x64 = thread->reg_block;
if(regs_x64->dr6.u64 & X64_DebugStatusFlag_B0)
{
address = regs_x64->dr0.u64;
@@ -3021,7 +3028,7 @@ dmn_tls_root_vaddr_from_thread(DMN_Handle thread_handle)
case Arch_Null: {} break;
case Arch_x64:
{
REGS_RegBlockX64 *reg_block = thread->reg_block;
X64_RegBlock *reg_block = thread->reg_block;
U64 dtv_pointer = 0;
if(dmn_lnx_read_struct(thread->process->fd, reg_block->fsbase.u64 + 8, &dtv_pointer))
{
@@ -3050,7 +3057,8 @@ dmn_thread_read_reg_block(DMN_Handle thread_handle, void *reg_block)
DMN_LNX_Thread *thread = dmn_lnx_thread_from_handle(thread_handle);
if(thread)
{
U64 reg_block_size = regs_block_size_from_arch(thread->process->ctx->arch);
ARCH_Info *arch_info = arch_info_from_arch(thread->process->ctx->arch);
U64 reg_block_size = arch_info->reg_block_size;
MemoryCopy(reg_block, thread->reg_block, reg_block_size);
}
result = 1;
@@ -3067,7 +3075,8 @@ dmn_thread_write_reg_block(DMN_Handle thread_handle, void *reg_block)
DMN_LNX_Thread *thread = dmn_lnx_thread_from_handle(thread_handle);
if(thread)
{
U64 reg_block_size = regs_block_size_from_arch(thread->process->ctx->arch);
ARCH_Info *arch_info = arch_info_from_arch(thread->process->ctx->arch);
U64 reg_block_size = arch_info->reg_block_size;
MemoryCopy(thread->reg_block, reg_block, reg_block_size);
thread->is_reg_block_dirty = 1;
result = 1;
@@ -3148,4 +3157,3 @@ dmn_process_iter_end(DMN_ProcessIter *iter)
}
MemoryZeroStruct(iter);
}