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add additional error messages

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This commit is contained in:
Stefan Lankes 2011-08-10 09:55:59 -07:00
parent d2a3137749
commit 20b074d81c
1 changed files with 13 additions and 1 deletions
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14
kernel/tasks.c
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@ -419,6 +419,7 @@ static int load_task(load_args_t* largs)
//elf_section_header_t sec_header;
vfs_node_t* node;
task_t* curr_task = per_core(current_task);
int err;
if (!largs)
return -EINVAL;
@ -427,7 +428,12 @@ static int load_task(load_args_t* largs)
if (!node)
return -EINVAL;
read_fs(node, (uint8_t*)&header, sizeof(elf_header_t), 0);
err = read_fs(node, (uint8_t*)&header, sizeof(elf_header_t), 0);
if (err < 0) {
kprintf("read_fs failed: %d\n", err);
return err;
}
if (BUILTIN_EXPECT(header.ident.magic != ELF_MAGIC, 0))
goto invalid;
@ -595,6 +601,12 @@ static int load_task(load_args_t* largs)
invalid:
kprintf("Invalid executable!\n");
kprintf("magic number 0x%x\n", (uint32_t) header.ident.magic);
kprintf("header type 0x%x\n", (uint32_t) header.type);
kprintf("machine type 0x%x\n", (uint32_t) header.machine);
kprintf("elf ident class 0x%x\n", (uint32_t) header.ident._class);
kprintf("elf identdata !0x%x\n", header.ident.data);
kprintf("program entry point 0x%x\n", (size_t) header.entry);
return -EINVAL;
}