diff options
Diffstat (limited to 'libc/sysdeps/linux/arm/crt1.S')
| -rw-r--r-- | libc/sysdeps/linux/arm/crt1.S | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/arm/crt1.S b/libc/sysdeps/linux/arm/crt1.S index a1d7f0f23..040ddfd27 100644 --- a/libc/sysdeps/linux/arm/crt1.S +++ b/libc/sysdeps/linux/arm/crt1.S @@ -245,7 +245,19 @@ _start: mov fp, #0 mov lr, #0 -#ifdef __ARCH_USE_MMU__ +#if defined(__ARCH_USE_MMU__) || defined(__UCLIBC_FORMAT_ELF__) +#ifdef L_rcrt1 + /* We don't need to save a1 since no dynamic linker should have run */ + adr a1, .L__ehdr_start_off /* Get address of .L__ehdr_start_off */ + ldr a2, .L__ehdr_start_off /* Offset from .L__ehdr_start_off to __ehdr_start */ + add a1, a1, a2 /* Address of __ehdr_start = load addr */ + bl reloc_static_pie + mov a1, #0 /* Clean up a1 so that a random address won't get called at the end of program */ + + /* Clear the frame pointer and link register again since it might be modified by previous call */ + mov fp, #0 + mov lr, #0 +#endif /* Pop argc off the stack and save a pointer to argv */ ldr a2, [sp], #4 mov a3, sp @@ -310,6 +322,10 @@ _start: .word _init(GOT) .word main(GOT) #endif +#ifdef L_rcrt1 +.L__ehdr_start_off: + .word __ehdr_start - .L__ehdr_start_off +#endif #endif /* Define a symbol for the first piece of initialized data. */ |