diff options
Diffstat (limited to 'test/ELF/x86-64-split-stack-prologue-adjust-success.s')
| -rw-r--r-- | test/ELF/x86-64-split-stack-prologue-adjust-success.s | 35 |
1 files changed, 13 insertions, 22 deletions
diff --git a/test/ELF/x86-64-split-stack-prologue-adjust-success.s b/test/ELF/x86-64-split-stack-prologue-adjust-success.s index bad26677f3fd..fb3493f2c3e7 100644 --- a/test/ELF/x86-64-split-stack-prologue-adjust-success.s +++ b/test/ELF/x86-64-split-stack-prologue-adjust-success.s @@ -1,8 +1,9 @@ # REQUIRES: x86 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1.o -# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/x86-64-split-stack-main.s -o %t2.o +# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/x86-64-split-stack-extra.s -o %t2.o +# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/x86-64-split-stack-main.s -o %t3.o -# RUN: ld.lld --defsym __morestack=0x100 --defsym __morestack_non_split=0x200 %t1.o %t2.o -o %t -z notext +# RUN: ld.lld --defsym __morestack=0x100 --defsym __morestack_non_split=0x200 %t1.o %t2.o %t3.o -o %t -z notext # RUN: llvm-objdump -d %t | FileCheck %s # Avoid duplicating the prologue for every test via macros. @@ -25,11 +26,11 @@ prologue1_calls_\function_to_call: .size prologue1_calls_\function_to_call,. - prologue1_calls_\function_to_call .endm -.macro prologue2 function_to_call register +.macro prologue2 function_to_call register compare_amount .global prologue2_calls_\function_to_call\register .type prologue2_calls_\function_to_call\register,@function prologue2_calls_\function_to_call\register: - lea -0x200(%rsp),%\register + lea -\compare_amount(%rsp),%\register cmp %fs:0x70,%\register jae 1f callq __morestack @@ -65,20 +66,20 @@ prologue1 split # calls plain __morestack, that any raw bytes written to the prologue # make sense, and that the register number is preserved. # CHECK: prologue2_calls_splitr10: -# CHECK-NEXT: lea{{.*}} -{{[0-9]+}}(%rsp),{{.*}}%r10 +# CHECK-NEXT: lea{{.*}} -512(%rsp),{{.*}}%r10 # CHECK: cmp{{.*}}%fs:{{[^,]*}},{{.*}}%r{{[0-9]+}} # CHECK: jae{{.*}} # CHECK-NEXT: callq{{.*}}<__morestack> -prologue2 split r10 +prologue2 split r10 0x200 # CHECK: prologue2_calls_splitr11: -# CHECK-NEXT: lea{{.*}} -{{[0-9]+}}(%rsp),{{.*}}%r11 +# CHECK-NEXT: lea{{.*}} -256(%rsp),{{.*}}%r11 # CHECK: cmp{{.*}}%fs:{{[^,]*}},{{.*}}%r{{[0-9]+}} # CHECK: jae{{.*}} # CHECK-NEXT: callq{{.*}}<__morestack> -prologue2 split r11 +prologue2 split r11 0x100 # For split-stack code calling non-split-stack code, ensure prologue v1 # calls __morestack_non_split, and that any raw bytes written to the prologue @@ -95,30 +96,20 @@ prologue1 non_split # calls __morestack_non_split, that any raw bytes written to the prologue # make sense, and that the register number is preserved # CHECK: prologue2_calls_non_splitr10: -# CHECK-NEXT: lea{{.*$}} +# CHECK-NEXT: lea{{.*}} -16640(%rsp),{{.*}}%r10 # CHECK: cmp{{.*}}%fs:{{[^,]*}},{{.*}}%r10 # CHECK: jae{{.*$}} # CHECK-NEXT: callq{{.*}}<__morestack_non_split> -prologue2 non_split r10 +prologue2 non_split r10 0x100 # CHECK: prologue2_calls_non_splitr11: -# CHECK-NEXT: lea{{.*$}} +# CHECK-NEXT: lea{{.*}} -16896(%rsp),{{.*}}%r11 # CHECK: cmp{{.*}}%fs:{{[^,]*}},{{.*}}%r11 # CHECK: jae{{.*$}} # CHECK-NEXT: callq{{.*}}<__morestack_non_split> -prologue2 non_split r11 -# call foo@plt # for code-coverage. - - - - .global split - .type split,@function -split: - retq - - .size split,. - split +prologue2 non_split r11 0x200 .section .note.GNU-stack,"",@progbits .section .note.GNU-split-stack,"",@progbits |