diff options
| author | Marvin Borner | 2021-03-15 22:54:54 +0100 |
|---|---|---|
| committer | Marvin Borner | 2021-03-15 22:54:54 +0100 |
| commit | dc9f9f55cb6b38b87d8c228ae9abb4b53ebfb25c (patch) | |
| tree | e4a51d5e94f963bcabe834b3ba535a8da871c42f /libc/print.c | |
| parent | 665b00e7f44e5088b134d111ba1d5226c11f0ae8 (diff) | |
System hardening and errno impl
Diffstat (limited to 'libc/print.c')
| -rw-r--r-- | libc/print.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libc/print.c b/libc/print.c index 1c577e5..b687239 100644 --- a/libc/print.c +++ b/libc/print.c @@ -158,8 +158,10 @@ int print(const char *str) // The kernel prints everything into the serial console +#include <mm.h> #include <proc.h> #include <serial.h> + #define RED "\x1B[1;31m" #define GRN "\x1B[1;32m" #define YEL "\x1B[1;33m" @@ -223,6 +225,8 @@ void print_trace(u32 count) __asm__ volatile("movl %%ebp, %0;" : "=r"(stk)); print("EBP\tEIP\n"); for (u32 i = 0; stk && i < count; i++) { + /* u32 eip = memory_valid((void *)stk->eip) ? stk->eip : stk->eip + 64; */ + /* printf("0x%x\t0x%x\n", stk->ebp, eip); */ printf("0x%x\t0x%x\n", stk->ebp, stk->eip); stk = stk->ebp; } @@ -240,6 +244,7 @@ NORETURN void panic(const char *format, ...) #ifdef kernel print("--- DON'T PANIC! ---\n"); print(buf); + print_trace(5); loop(); #else err(1, buf); |