diff options
Diffstat (limited to 'lld/test/ELF/avr-thunk-ldi-gs.s')
| -rw-r--r-- | lld/test/ELF/avr-thunk-ldi-gs.s | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/lld/test/ELF/avr-thunk-ldi-gs.s b/lld/test/ELF/avr-thunk-ldi-gs.s new file mode 100644 index 000000000000..58de33780ba1 --- /dev/null +++ b/lld/test/ELF/avr-thunk-ldi-gs.s @@ -0,0 +1,33 @@ +; REQUIRES: avr +; RUN: llvm-mc -filetype=obj -triple=avr -mcpu=atmega2560 %s -o %t.o +; RUN: ld.lld %t.o --defsym=a=0x1fffe --defsym=b=0x20000 -o %t +; RUN: llvm-objdump -d --print-imm-hex --no-show-raw-insn --mcpu=atmega2560 %t \ +; RUN: | FileCheck %s + +.section .LDI,"ax",@progbits + +;; CHECK-LABEL: <__AVRThunk_b>: +;; CHECK-NEXT: 110b4: jmp 0x20000 +;; CHECK-LABEL: <__init>: +;; CHECK-NEXT: 110b8: ldi r30, 0xff +;; CHECK-NEXT: 110ba: ldi r31, 0xff +;; CHECK-NEXT: 110bc: eicall +;; The destination of the following two LDI instructions is +;; __AVRThunk_b == 0x110b4, so they actually are +;; ldi r30, ((0x110b4) >> 1) & 0xff +;; ldi r31, ((0x110b4) >> 9) +;; CHECK-NEXT: 110be: ldi r30, 0x5a +;; CHECK-NEXT: 110c0: ldi r31, 0x88 +;; CHECK-NEXT: 110c2: eicall +;; CHECK-NOT: __AVRThunk_a + +.globl __init +__init: +;; No thunk is needed, since the destination is in range [0, 0x1ffff]. +ldi r30, lo8_gs(a) ; R_AVR_LO8_LDI_GS +ldi r31, hi8_gs(a) ; R_AVR_HI8_LDI_GS +eicall +;; A thunk is needed, since the destination is out of range. +ldi r30, lo8_gs(b) ; R_AVR_LO8_LDI_GS +ldi r31, hi8_gs(b) ; R_AVR_HI8_LDI_GS +eicall |