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Add symbol table handling and debug backtrace

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Mark
2020-01-29 20:12:52 +02:00
parent 977ca16f82
commit bccd620eec
7 changed files with 148 additions and 5 deletions
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include/sys/amd64/loader/data.h
+4
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@@ -5,6 +5,10 @@
struct amd64_loader_data {
uint32_t multiboot_info_ptr;
uint32_t symtab_ptr;
uint32_t symtab_size;
uint32_t strtab_ptr;
uint32_t strtab_size;
uint32_t initrd_ptr;
uint32_t initrd_len;
char cmdline[KERNEL_CMDLINE_MAX];
include/sys/debug.h
+4
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@@ -38,6 +38,10 @@
#define kfatal(f, ...) debugf(DEBUG_FATAL, "\033[41m" DEBUG_BASE_FMT f "\033[0m", DEBUG_BASE_ARGS, ##__VA_ARGS__)
#define kprint(l, f, ...) debugf(l, DEBUG_BASE_FMT f, DEBUG_BASE_ARGS, ##__VA_ARGS__)
void debug_symbol_table_set(uintptr_t symtab, uintptr_t strtab, size_t symtab_size, size_t strtab_size);
int debug_symbol_find(uintptr_t addr, const char **name, uintptr_t *base);
void debug_backtrace(uintptr_t rbp, int depth, int limit);
void fmtsiz(char *buf, size_t sz);
void debugc(int level, char c);