apio/Luna
1
1
Fork 0
Code Issues Pull Requests Actions Projects Releases 8 Wiki Activity

get_symbol_name: handle case where sys/moon.sym is not present in the initial ramdisk

Browse Source
This commit is contained in:
apio 2022-09-24 21:38:36 +02:00
parent f640e3d248
commit 57b330e907
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
kernel/src/trace/Resolve.cpp
View File

@ -7,7 +7,7 @@
extern int kernel_start; extern int kernel_start;
extern int kernel_end; extern int kernel_end;
static InitRD::File symbol_map = {"", 0, 0, 0}; static InitRD::File symbol_map = {"", 0, 0, (void*)-1};
static size_t symbol_strlen(const char* symbol) static size_t symbol_strlen(const char* symbol)
{ {
@ -19,7 +19,8 @@ static size_t symbol_strlen(const char* symbol)
void get_symbol_name(uintptr_t address, char* buffer) void get_symbol_name(uintptr_t address, char* buffer)
{ {
if (!symbol_map.addr) { symbol_map = InitRD::open("sys/moon.sym"); } if (symbol_map.addr == (void*)-1) { symbol_map = InitRD::open("sys/moon.sym"); }
if (!symbol_map.addr) { strncpy(buffer, "(no symbols loaded)", 20); }
while (address >= (uintptr_t)&kernel_start && address <= (uintptr_t)&kernel_end) while (address >= (uintptr_t)&kernel_start && address <= (uintptr_t)&kernel_end)
{ {
char addr_as_str[60]; char addr_as_str[60];