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Merge commit 'c91d6a33f872574c95c8784277cf60ffcf6bff4f'

* commit 'c91d6a33f872574c95c8784277cf60ffcf6bff4f':
  checkasm: aarch64: Add filler args to make sure all parameters are passed on the stack

Merged-by: James Almer <jamrial@gmail.com>
tags/n3.3
James Almer 8 years ago
parent
commit
67b639b496
2 changed files with 9 additions and 12 deletions
  1. +6
    -10
      tests/checkasm/aarch64/checkasm.S
  2. +3
    -2
      tests/checkasm/checkasm.h

+ 6
- 10
tests/checkasm/aarch64/checkasm.S View File

@@ -93,22 +93,18 @@ function checkasm_checked_call, export=1


sub sp, sp, #ARG_STACK sub sp, sp, #ARG_STACK
.equ pos, 0 .equ pos, 0
// the first stacked arg is copied to x7
.rept MAX_ARGS-8 .rept MAX_ARGS-8
ldr x9, [x29, #16 + 8 + pos]
// Skip the first 8 args, that are loaded into registers
ldr x9, [x29, #16 + 8*8 + pos]
str x9, [sp, #pos] str x9, [sp, #pos]
.equ pos, pos + 8 .equ pos, pos + 8
.endr .endr


mov x12, x0 mov x12, x0
mov x0, x1
mov x1, x2
mov x2, x3
mov x3, x4
mov x4, x5
mov x5, x6
mov x6, x7
ldr x7, [x29, #16]
ldp x0, x1, [x29, #16]
ldp x2, x3, [x29, #32]
ldp x4, x5, [x29, #48]
ldp x6, x7, [x29, #64]
blr x12 blr x12
add sp, sp, #ARG_STACK add sp, sp, #ARG_STACK
stp x0, x1, [sp, #-16]! stp x0, x1, [sp, #-16]!


+ 3
- 2
tests/checkasm/checkasm.h View File

@@ -141,11 +141,12 @@ extern void (*checkasm_checked_call)(void *func, int dummy, ...);
#elif ARCH_AARCH64 && !defined(__APPLE__) #elif ARCH_AARCH64 && !defined(__APPLE__)
void checkasm_stack_clobber(uint64_t clobber, ...); void checkasm_stack_clobber(uint64_t clobber, ...);
void checkasm_checked_call(void *func, ...); void checkasm_checked_call(void *func, ...);
#define declare_new(ret, ...) ret (*checked_call)(void *, __VA_ARGS__) = (void *)checkasm_checked_call;
#define declare_new(ret, ...) ret (*checked_call)(void *, int, int, int, int, int, int, int, __VA_ARGS__)\
= (void *)checkasm_checked_call;
#define CLOB (UINT64_C(0xdeadbeefdeadbeef)) #define CLOB (UINT64_C(0xdeadbeefdeadbeef))
#define call_new(...) (checkasm_stack_clobber(CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,\ #define call_new(...) (checkasm_stack_clobber(CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,\
CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB),\ CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB),\
checked_call(func_new, __VA_ARGS__))
checked_call(func_new, 0, 0, 0, 0, 0, 0, 0, __VA_ARGS__))
#else #else
#define declare_new(ret, ...) #define declare_new(ret, ...)
#define declare_new_emms(cpu_flags, ret, ...) #define declare_new_emms(cpu_flags, ret, ...)


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