error after update linux
Posted: Wed May 13, 2009 11:35 am
yesterday i update my linux ubuntu to the version 9.04. i tried to compile my os and the linker give me the following errors:
as you can see, it can't found the function written in assembly and declared as global (in the asm file), and as extern in the .c file. I don't change nothing, it simpli start not to work. Any solution? thanks..
EDIT: of course, also the warning is the first time that came.. before i haven't got any problem..
Code: Select all
ld: warning: cannot find entry symbol start; defaulting to 0000000000100000
tmp/gdt.o: In function `gdt_install':
gdt.c:(.text+0x12d): undefined reference to `gdt_flush'
tmp/idt.o: In function `idt_install':
idt.c:(.text+0x1f3): undefined reference to `idt_load'
idt.c:(.text+0x20b): undefined reference to `isr0'
idt.c:(.text+0x22f): undefined reference to `isr1'
idt.c:(.text+0x253): undefined reference to `isr2'
idt.c:(.text+0x277): undefined reference to `isr3'
idt.c:(.text+0x29b): undefined reference to `isr4'
idt.c:(.text+0x2bf): undefined reference to `isr5'
idt.c:(.text+0x2e3): undefined reference to `isr6'
idt.c:(.text+0x307): undefined reference to `isr7'
idt.c:(.text+0x32b): undefined reference to `isr8'
idt.c:(.text+0x34f): undefined reference to `isr9'
idt.c:(.text+0x373): undefined reference to `isr10'
idt.c:(.text+0x397): undefined reference to `isr11'
idt.c:(.text+0x3bb): undefined reference to `isr12'
idt.c:(.text+0x3df): undefined reference to `isr13'
idt.c:(.text+0x403): undefined reference to `isr14'
idt.c:(.text+0x427): undefined reference to `isr15'
idt.c:(.text+0x44b): undefined reference to `isr16'
idt.c:(.text+0x46f): undefined reference to `isr17'
idt.c:(.text+0x493): undefined reference to `isr18'
idt.c:(.text+0x4b7): undefined reference to `isr19'
idt.c:(.text+0x4db): undefined reference to `isr20'
idt.c:(.text+0x4ff): undefined reference to `isr21'
idt.c:(.text+0x523): undefined reference to `isr22'
idt.c:(.text+0x547): undefined reference to `isr23'
idt.c:(.text+0x56b): undefined reference to `isr24'
idt.c:(.text+0x58f): undefined reference to `isr25'
idt.c:(.text+0x5b3): undefined reference to `isr26'
idt.c:(.text+0x5d7): undefined reference to `isr27'
idt.c:(.text+0x5fb): undefined reference to `isr28'
idt.c:(.text+0x61f): undefined reference to `isr29'
idt.c:(.text+0x643): undefined reference to `isr30'
idt.c:(.text+0x667): undefined reference to `isr31'
idt.c:(.text+0x690): undefined reference to `irq0'
idt.c:(.text+0x6b4): undefined reference to `irq1'
idt.c:(.text+0x6d8): undefined reference to `irq2'
idt.c:(.text+0x6fc): undefined reference to `irq3'
idt.c:(.text+0x720): undefined reference to `irq4'
idt.c:(.text+0x744): undefined reference to `irq5'
idt.c:(.text+0x768): undefined reference to `irq6'
idt.c:(.text+0x78c): undefined reference to `irq7'
idt.c:(.text+0x7b0): undefined reference to `irq8'
idt.c:(.text+0x7d4): undefined reference to `irq9'
idt.c:(.text+0x7f8): undefined reference to `irq10'
idt.c:(.text+0x81c): undefined reference to `irq11'
idt.c:(.text+0x840): undefined reference to `irq12'
idt.c:(.text+0x864): undefined reference to `irq13'
idt.c:(.text+0x888): undefined reference to `irq14'
idt.c:(.text+0x8ac): undefined reference to `irq15'
idt.c:(.text+0x8d0): undefined reference to `sys_call1'
EDIT: of course, also the warning is the first time that came.. before i haven't got any problem..