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Leonmmcoset
2026-04-20 23:46:16 +08:00
parent 16855e4b98
commit 27a51a0986
4 changed files with 387 additions and 11 deletions
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68
clks/kernel/runtime/exec.c
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@@ -183,6 +183,8 @@ static u64 clks_exec_unwind_slot_stack[CLKS_EXEC_MAX_DEPTH];
static clks_bool clks_exec_unwind_slot_valid_stack[CLKS_EXEC_MAX_DEPTH];
static u64 clks_exec_image_begin_stack[CLKS_EXEC_MAX_DEPTH];
static u64 clks_exec_image_end_stack[CLKS_EXEC_MAX_DEPTH];
static u64 clks_exec_image_vaddr_begin_stack[CLKS_EXEC_MAX_DEPTH];
static u64 clks_exec_image_vaddr_end_stack[CLKS_EXEC_MAX_DEPTH];
static u64 clks_exec_stack_begin_stack[CLKS_EXEC_MAX_DEPTH];
static u64 clks_exec_stack_end_stack[CLKS_EXEC_MAX_DEPTH];
static u32 clks_exec_pid_stack_depth = 0U;
@@ -322,6 +324,48 @@ static clks_bool clks_exec_rip_is_current_user_context(u64 rip) {
return (rip >= image_begin && rip < image_end) ? CLKS_TRUE : CLKS_FALSE;
}
static clks_bool clks_exec_translate_legacy_user_rip(u64 rip, u64 *out_rip) {
i32 depth_index;
u64 vaddr_begin;
u64 vaddr_end;
u64 image_begin;
u64 image_end;
u64 off;
u64 translated;
if (out_rip == CLKS_NULL || clks_exec_pid_stack_depth == 0U) {
return CLKS_FALSE;
}
depth_index = (i32)(clks_exec_pid_stack_depth - 1U);
vaddr_begin = clks_exec_image_vaddr_begin_stack[(u32)depth_index];
vaddr_end = clks_exec_image_vaddr_end_stack[(u32)depth_index];
image_begin = clks_exec_image_begin_stack[(u32)depth_index];
image_end = clks_exec_image_end_stack[(u32)depth_index];
if (vaddr_begin == 0ULL || vaddr_end <= vaddr_begin || image_begin == 0ULL || image_end <= image_begin) {
return CLKS_FALSE;
}
if (rip < vaddr_begin || rip >= vaddr_end) {
return CLKS_FALSE;
}
off = rip - vaddr_begin;
if (off >= (image_end - image_begin)) {
return CLKS_FALSE;
}
translated = image_begin + off;
if (translated < image_begin || translated >= image_end) {
return CLKS_FALSE;
}
*out_rip = translated;
return CLKS_TRUE;
}
static void clks_exec_copy_path(char *dst, usize dst_size, const char *src) {
usize i = 0U;
@@ -1285,6 +1329,8 @@ static clks_bool clks_exec_run_proc_slot(i32 slot, u64 *out_status) {
clks_exec_stop_requested_stack[(u32)depth_index] = CLKS_FALSE;
clks_exec_image_begin_stack[(u32)depth_index] = 0ULL;
clks_exec_image_end_stack[(u32)depth_index] = 0ULL;
clks_exec_image_vaddr_begin_stack[(u32)depth_index] = 0ULL;
clks_exec_image_vaddr_end_stack[(u32)depth_index] = 0ULL;
clks_exec_stack_begin_stack[(u32)depth_index] = 0ULL;
clks_exec_stack_end_stack[(u32)depth_index] = 0ULL;
clks_exec_pid_stack_depth++;
@@ -1333,6 +1379,8 @@ static clks_bool clks_exec_run_proc_slot(i32 slot, u64 *out_status) {
clks_exec_image_begin_stack[(u32)depth_index] = image_begin;
clks_exec_image_end_stack[(u32)depth_index] = image_end;
clks_exec_image_vaddr_begin_stack[(u32)depth_index] = loaded.image_vaddr_base;
clks_exec_image_vaddr_end_stack[(u32)depth_index] = loaded.image_vaddr_base + loaded.image_size;
}
clks_exec_log_info_serial("EXEC RUN START");
@@ -1381,6 +1429,8 @@ static clks_bool clks_exec_run_proc_slot(i32 slot, u64 *out_status) {
clks_exec_stop_requested_stack[(u32)depth_index] = CLKS_FALSE;
clks_exec_image_begin_stack[(u32)depth_index] = 0ULL;
clks_exec_image_end_stack[(u32)depth_index] = 0ULL;
clks_exec_image_vaddr_begin_stack[(u32)depth_index] = 0ULL;
clks_exec_image_vaddr_end_stack[(u32)depth_index] = 0ULL;
clks_exec_stack_begin_stack[(u32)depth_index] = 0ULL;
clks_exec_stack_end_stack[(u32)depth_index] = 0ULL;
clks_exec_pid_stack_depth--;
@@ -1409,6 +1459,8 @@ fail:
clks_exec_stop_requested_stack[(u32)depth_index] = CLKS_FALSE;
clks_exec_image_begin_stack[(u32)depth_index] = 0ULL;
clks_exec_image_end_stack[(u32)depth_index] = 0ULL;
clks_exec_image_vaddr_begin_stack[(u32)depth_index] = 0ULL;
clks_exec_image_vaddr_end_stack[(u32)depth_index] = 0ULL;
clks_exec_stack_begin_stack[(u32)depth_index] = 0ULL;
clks_exec_stack_end_stack[(u32)depth_index] = 0ULL;
clks_exec_pid_stack_depth--;
@@ -1521,6 +1573,8 @@ void clks_exec_init(void) {
clks_memset(clks_exec_unwind_slot_valid_stack, 0, sizeof(clks_exec_unwind_slot_valid_stack));
clks_memset(clks_exec_image_begin_stack, 0, sizeof(clks_exec_image_begin_stack));
clks_memset(clks_exec_image_end_stack, 0, sizeof(clks_exec_image_end_stack));
clks_memset(clks_exec_image_vaddr_begin_stack, 0, sizeof(clks_exec_image_vaddr_begin_stack));
clks_memset(clks_exec_image_vaddr_end_stack, 0, sizeof(clks_exec_image_vaddr_end_stack));
clks_memset(clks_exec_stack_begin_stack, 0, sizeof(clks_exec_stack_begin_stack));
clks_memset(clks_exec_stack_end_stack, 0, sizeof(clks_exec_stack_end_stack));
clks_memset(clks_exec_proc_table, 0, sizeof(clks_exec_proc_table));
@@ -2458,6 +2512,20 @@ clks_bool clks_exec_handle_exception(u64 vector, u64 error_code, u64 rip, u64 *i
return CLKS_FALSE;
}
#if defined(CLKS_ARCH_X86_64)
if (vector == 14ULL && (error_code & 0x10ULL) != 0ULL && io_rip != CLKS_NULL) {
u64 translated_rip = 0ULL;
if (clks_exec_translate_legacy_user_rip(rip, &translated_rip) == CLKS_TRUE) {
*io_rip = translated_rip;
clks_exec_log_info_serial("USER RIP LEGACY REBASE");
clks_exec_log_hex_serial("RIP_OLD", rip);
clks_exec_log_hex_serial("RIP_NEW", translated_rip);
return CLKS_TRUE;
}
}
#endif
signal = clks_exec_signal_from_vector(vector);
status = clks_exec_encode_signal_status(signal, vector, error_code);