From 8c0a3d9e5c169fc9d0f246ab59362b658b029ad7 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 29 Sep 2012 01:05:31 -0400 Subject: microblaze port based on initial work by rdp, with heavy modifications. some features including threads are untested because qemu app-level emulation seems to be broken and I do not have a proper system image for testing. --- src/ldso/microblaze/dlsym.s | 5 +++++ src/ldso/microblaze/start.s | 27 +++++++++++++++++++++++++++ 2 files changed, 32 insertions(+) create mode 100644 src/ldso/microblaze/dlsym.s create mode 100644 src/ldso/microblaze/start.s (limited to 'src/ldso') diff --git a/src/ldso/microblaze/dlsym.s b/src/ldso/microblaze/dlsym.s new file mode 100644 index 00000000..2044e2df --- /dev/null +++ b/src/ldso/microblaze/dlsym.s @@ -0,0 +1,5 @@ +.global dlsym +.type dlsym,@function +dlsym: + brid __dlsym + add r7, r15, r0 diff --git a/src/ldso/microblaze/start.s b/src/ldso/microblaze/start.s new file mode 100644 index 00000000..4afd59f0 --- /dev/null +++ b/src/ldso/microblaze/start.s @@ -0,0 +1,27 @@ +# FIXME: clearing argv entries +.global _start +_start: + add r19, r0, r0 + + lw r5, r0, r1 + addi r6, r1, 4 + mfs r7, rpc + addi r7, r7, _GLOBAL_OFFSET_TABLE_+8 + addi r7, r7, _DYNAMIC@GOTOFF + brlid r15, __reloc_self + nop + + lwi r5, r1, 0 + brlid r15, __dynlink + addi r6, r1, 4 + + lwi r4, r1, 0 +1: lwi r5, r1, 4 + addi r5, r5, 1 + bnei r5, 1f + addi r4, r4, -1 + addi r1, r1, 4 + bri 1b +1: swi r4, r1, 0 + add r5, r0, r0 + bra r3 -- cgit v1.2.1