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| author | snocl <snorredc@gmail.com> | 2017-12-05 21:09:39 +0100 |
|---|---|---|
| committer | Ori Bernstein <ori@eigenstate.org> | 2017-12-05 13:31:35 -0800 |
| commit | 1ed38b41793a7e5eac6c8280749ccf066577fa68 (patch) | |
| tree | 30374701880dbfb8ea99add8e9e6fda68117c868 | |
| parent | 858ba07669c28ac1e8e88ef0283fb71615cd86c4 (diff) | |
| download | mc-1ed38b41793a7e5eac6c8280749ccf066577fa68.tar.gz | |
Align the stack in _start.
| -rw-r--r-- | rt/start-freebsd.s | 2 | ||||
| -rw-r--r-- | rt/start-linux.s | 1 | ||||
| -rw-r--r-- | rt/start-netbsd.s | 1 | ||||
| -rw-r--r-- | rt/start-openbsd.s | 1 | ||||
| -rw-r--r-- | rt/start-osx.s | 1 |
5 files changed, 6 insertions, 0 deletions
diff --git a/rt/start-freebsd.s b/rt/start-freebsd.s index e3795af..9c1091b 100644 --- a/rt/start-freebsd.s +++ b/rt/start-freebsd.s @@ -15,6 +15,8 @@ sys$__cenvp: */ .globl _start _start: + andq $-16,%rsp /* align the stack pointer */ + /* load argc, argv, envp from stack */ movq (%rdi),%rax /* argc */ leaq 8(%rdi),%rbx /* argv */ diff --git a/rt/start-linux.s b/rt/start-linux.s index 0c6cf3f..742b4a3 100644 --- a/rt/start-linux.s +++ b/rt/start-linux.s @@ -16,6 +16,7 @@ sys$__cenvp: .globl _start _start: movq %rsp,%rbp + andq $-16,%rsp /* align the stack pointer */ /* load argc, argv, envp from stack */ movq (%rbp),%rax /* argc */ diff --git a/rt/start-netbsd.s b/rt/start-netbsd.s index a5eecc4..dd3213e 100644 --- a/rt/start-netbsd.s +++ b/rt/start-netbsd.s @@ -24,6 +24,7 @@ sys$__cenvp: .globl _start _start: movq %rsp,%rbp + andq $-16,%rsp /* align the stack pointer */ /* load argc, argv, envp from stack */ movq (%rbp),%rax /* argc */ diff --git a/rt/start-openbsd.s b/rt/start-openbsd.s index b96e12b..d11dafa 100644 --- a/rt/start-openbsd.s +++ b/rt/start-openbsd.s @@ -25,6 +25,7 @@ sys$__cenvp: .globl _start _start: movq %rsp,%rbp + andq $-16,%rsp /* align the stack pointer */ /* load argc, argv, envp from stack */ movq (%rbp),%rax /* argc */ diff --git a/rt/start-osx.s b/rt/start-osx.s index d904746..b43b30c 100644 --- a/rt/start-osx.s +++ b/rt/start-osx.s @@ -16,6 +16,7 @@ _sys$__cenvp: .globl start start: movq %rsp,%rbp + andq $-16,%rsp /* align the stack pointer */ /* load argc, argv, envp from stack */ movq (%rbp),%rax /* argc */ |