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entity parameter tree equipment; architecture -> arch

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This commit is contained in:
Ryan Fleury
2024-08-29 13:16:50 -07:00
parent df6150c811
commit 9932a30ef9
42 changed files with 395 additions and 342 deletions
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src/demon/linux/demon_os_linux.c
+28 -28
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@@ -115,10 +115,10 @@ demon_lnx_open_memory_fd_for_pid(pid_t pid){
return(result);
}
internal Architecture
internal Arch
demon_lnx_arch_from_pid(pid_t pid){
Temp scratch = scratch_begin(0, 0);
Architecture result = Architecture_Null;
Arch result = Arch_Null;
// exe path
String8 exe_path = demon_lnx_executable_path_from_pid(scratch.arena, pid);
@@ -168,22 +168,22 @@ demon_lnx_arch_from_pid(pid_t pid){
switch (ehdr.e_machine){
case SYMS_ElfMachineKind_386:
{
result = Architecture_x86;
result = Arch_x86;
}break;
case SYMS_ElfMachineKind_ARM:
{
result = Architecture_arm32;
result = Arch_arm32;
}break;
case SYMS_ElfMachineKind_X86_64:
{
result = Architecture_x64;
result = Arch_x64;
}break;
case SYMS_ElfMachineKind_AARCH64:
{
result = Architecture_arm64;
result = Arch_arm64;
}break;
}
@@ -192,9 +192,9 @@ demon_lnx_arch_from_pid(pid_t pid){
}
internal DEMON_LNX_ProcessAux
demon_lnx_aux_from_pid(pid_t pid, Architecture arch){
demon_lnx_aux_from_pid(pid_t pid, Arch arch){
DEMON_LNX_ProcessAux result = {0};
B32 addr_32bit = (arch == Architecture_x86 || arch == Architecture_arm32);
B32 addr_32bit = (arch == Arch_x86 || arch == Arch_arm32);
// open aux data
Temp scratch = scratch_begin(0, 0);
@@ -300,8 +300,8 @@ demon_lnx_phdr_info_from_memory(int memory_fd, B32 is_32bit, U64 phvaddr, U64 ph
internal DEMON_LNX_ModuleNode*
demon_lnx_module_list_from_process(Arena *arena, DEMON_Entity *process){
Architecture arch = (Architecture)process->arch;
B32 is_32bit = (arch == Architecture_x86 || arch == Architecture_arm32);
Arch arch = (Arch)process->arch;
B32 is_32bit = (arch == Arch_x86 || arch == Arch_arm32);
int memory_fd = (int)process->ext_u64;
// aux from pid
@@ -839,11 +839,11 @@ demon_os_run(Arena *arena, DEMON_OS_RunCtrls *controls){
U8 *trap_swap_bytes = 0;
if (result.first == 0){
// TODO(allen): per-Architecture implementation of single steps
// TODO(allen): per-Arch implementation of single steps
// set single step bit
if (single_step_thread != 0){
switch (single_step_thread->arch){
case Architecture_x86:
case Arch_x86:
{
// TODO(allen): possibly buggy
SYMS_RegX86 regs = {0};
@@ -852,7 +852,7 @@ demon_os_run(Arena *arena, DEMON_OS_RunCtrls *controls){
demon_os_write_regs_x86(single_step_thread, &regs);
}break;
case Architecture_x64:
case Arch_x64:
{
// TODO(allen): possibly buggy
SYMS_RegX64 regs = {0};
@@ -863,7 +863,7 @@ demon_os_run(Arena *arena, DEMON_OS_RunCtrls *controls){
}
}
// TODO(allen): per-Architecture implementation of traps
// TODO(allen): per-Arch implementation of traps
trap_swap_bytes = push_array_no_zero(scratch.arena, U8, controls->trap_count);
{
@@ -980,13 +980,13 @@ demon_os_run(Arena *arena, DEMON_OS_RunCtrls *controls){
union{ SYMS_RegX86 x86; SYMS_RegX64 x64; } regs = {0};
switch (thread->arch){
case Architecture_x86:
case Arch_x86:
{
demon_os_read_regs_x86(thread, &regs.x86);
instruction_pointer = regs.x86.eip.u32;
}break;
case Architecture_x64:
case Arch_x64:
{
demon_os_read_regs_x64(thread, &regs.x64);
instruction_pointer = regs.x64.rip.u64;
@@ -1052,7 +1052,7 @@ demon_os_run(Arena *arena, DEMON_OS_RunCtrls *controls){
// this stuff in the log to make sense of it still.
}
else{
Architecture arch = demon_lnx_arch_from_pid(new_pid);
Arch arch = demon_lnx_arch_from_pid(new_pid);
// process entity
DEMON_Entity *new_process = demon_ent_new(demon_ent_root, DEMON_EntityKind_Process, new_pid);
@@ -1105,14 +1105,14 @@ demon_os_run(Arena *arena, DEMON_OS_RunCtrls *controls){
if (e_kind == DEMON_EventKind_Breakpoint){
// TODO(allen): possibly buggy
switch (thread->arch){
case Architecture_x86:
case Arch_x86:
{
instruction_pointer -= 1;
regs.x86.eip.u32 = instruction_pointer;
demon_os_write_regs_x86(thread, &regs.x86);
}break;
case Architecture_x64:
case Arch_x64:
{
instruction_pointer -= 1;
regs.x64.rip.u64 = instruction_pointer;
@@ -1336,7 +1336,7 @@ demon_os_run(Arena *arena, DEMON_OS_RunCtrls *controls){
// cleanup
if (did_run){
// TODO(allen): per-Architecture
// TODO(allen): per-Arch
// unset traps
{
DEMON_OS_Trap *trap = controls->traps;
@@ -1348,7 +1348,7 @@ demon_os_run(Arena *arena, DEMON_OS_RunCtrls *controls){
}
}
// TODO(allen): per-Architecture
// TODO(allen): per-Arch
// unset single step bit
// the single step bit is automatically unset whenever we single step
// but if *something else* happened, it will still be there ready to
@@ -1356,7 +1356,7 @@ demon_os_run(Arena *arena, DEMON_OS_RunCtrls *controls){
if (single_step_thread != 0){
// TODO(allen): possibly buggy
switch (single_step_thread->arch){
case Architecture_x86:
case Arch_x86:
{
SYMS_RegX86 regs = {0};
demon_os_read_regs_x86(single_step_thread, &regs);
@@ -1364,7 +1364,7 @@ demon_os_run(Arena *arena, DEMON_OS_RunCtrls *controls){
demon_os_write_regs_x86(single_step_thread, &regs);
}break;
case Architecture_x64:
case Arch_x64:
{
SYMS_RegX64 regs = {0};
demon_os_read_regs_x64(single_step_thread, &regs);
@@ -1555,7 +1555,7 @@ demon_os_launch_process(OS_LaunchOptions *options){
else{
result = pid;
Architecture arch = demon_lnx_arch_from_pid(pid);
Arch arch = demon_lnx_arch_from_pid(pid);
// process entity
DEMON_Entity *process = demon_ent_new(demon_ent_root, DEMON_EntityKind_Process, pid);
@@ -1688,7 +1688,7 @@ demon_os_attach_process(U32 pid){
// initialize new entities on success
if (result){
Architecture arch = demon_lnx_arch_from_pid(the_process->pid);
Arch arch = demon_lnx_arch_from_pid(the_process->pid);
// process entity
DEMON_Entity *process = demon_ent_new(demon_ent_root, DEMON_EntityKind_Process, the_process->pid);
@@ -1816,15 +1816,15 @@ internal U64
demon_os_tls_root_vaddr_from_thread(DEMON_Entity *thread){
U64 result = 0;
switch (thread->arch){
case Architecture_x64:
case Architecture_x86:
case Arch_x64:
case Arch_x86:
{
U32 fsbase = 0;
pid_t tid = (pid_t)thread->id;
if (ptrace(PT_GETFSBASE, tid, (void*)&fsbase, 0) != -1){
result = (U64)fsbase;
}
if (thread->arch == Architecture_x64){
if (thread->arch == Arch_x64){
result += 8;
}
else{