little cleanup vmem, parse kernel section headers

2 files changed, 21 insertions, 0 deletions

diff --git a/fs/elf.c b/fs/elf.c
index bca527a..b4bc9d1 100644
--- a/fs/elf.c
+++ b/fs/elf.c
@@ -65,6 +65,25 @@ typedef struct {
 } 
 Elf32_Phdr;
 
+void elf_multiboot_read(multiboot_information *info)
+{
+    uint32_t num=info->syms[0];
+    uint32_t addr=info->syms[2];
+    uint32_t stridx=info->syms[3];
+
+    klog("ELF Kernel Sections:");
+    // iterate over section headers. 
+    Elf32_Shdr *shdr=addr;
+    for(int i=0;i<num;i++)
+    {
+	uint32_t nameidx=shdr[i].sh_name;
+	char *name=shdr[stridx].sh_addr+nameidx;
+	klog("section %d: %s addr: 0x%08X offset: 0x%08X size: 0x%08X",i,name,shdr[i].sh_addr,shdr[i].sh_offset,shdr[i].sh_size);
+	
+
+    }
+}
+
 // returns elf entry point
 uint32_t load_elf(char *name, uint32_t *alloc)
 {
diff --git a/fs/elf.h b/fs/elf.h
index bcbfc2d..8712c8f 100644
--- a/fs/elf.h
+++ b/fs/elf.h
@@ -1 +1,3 @@
+//https://docs.oracle.com/cd/E19455-01/806-3773/elf-2/index.html
 uint32_t load_elf(char *name, uint32_t *alloc);
+void elf_multiboot_read(multiboot_information *info);