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f69fc4063c
Provide couple of patches to fix build with x86_64/musl and a new bug found lss via gcc9 Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
68 lines
3.5 KiB
Diff
68 lines
3.5 KiB
Diff
From d517836886eee72503aecc3e866fb7f08e6b0c49 Mon Sep 17 00:00:00 2001
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From: Khem Raj <raj.khem@gmail.com>
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Date: Sun, 23 Dec 2018 16:58:04 -0800
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Subject: [PATCH] chromium: stack pointer clobber
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Do not add stack pointer to clobber list
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it was being ignored until gcc 9.0 became capable
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of flagging this silent ignoring via [1]
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[1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52813<Paste>
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Upstream-Status: Submitted [https://chromium-review.googlesource.com/c/linux-syscall-support/+/1390160]
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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---
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chromium/third_party/lss/linux_syscall_support.h | 10 +++++-----
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1 file changed, 5 insertions(+), 5 deletions(-)
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diff --git a/chromium/third_party/lss/linux_syscall_support.h b/chromium/third_party/lss/linux_syscall_support.h
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index 5d9c2e8582f..e19e51dd304 100644
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--- a/chromium/third_party/lss/linux_syscall_support.h
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+++ b/chromium/third_party/lss/linux_syscall_support.h
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@@ -1964,7 +1964,7 @@ struct kernel_statfs {
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__asm__ volatile(LSS_ENTRYPOINT \
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: "=a" (__res) \
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: "0" (__NR_##name) \
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- : "esp", "memory"); \
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+ : "memory"); \
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LSS_RETURN(type,__res); \
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}
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#undef _syscall1
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@@ -2012,7 +2012,7 @@ struct kernel_statfs {
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: "i" (__NR_##name), "ri" ((long)(arg1)), \
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"c" ((long)(arg2)), "d" ((long)(arg3)), \
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"S" ((long)(arg4)), "D" ((long)(arg5)) \
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- : "esp", "memory"); \
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+ : "memory"); \
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LSS_RETURN(type,__res); \
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}
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#undef _syscall6
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@@ -2034,7 +2034,7 @@ struct kernel_statfs {
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: "i" (__NR_##name), "0" ((long)(&__s)), \
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"c" ((long)(arg2)), "d" ((long)(arg3)), \
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"S" ((long)(arg4)), "D" ((long)(arg5)) \
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- : "esp", "memory"); \
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+ : "memory"); \
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LSS_RETURN(type,__res); \
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}
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LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack,
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@@ -2120,7 +2120,7 @@ struct kernel_statfs {
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: "0"(-EINVAL), "i"(__NR_clone),
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"m"(fn), "m"(child_stack), "m"(flags), "m"(arg),
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"m"(parent_tidptr), "m"(newtls), "m"(child_tidptr)
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- : "esp", "memory", "ecx", "edx", "esi", "edi");
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+ : "memory", "ecx", "edx", "esi", "edi");
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LSS_RETURN(int, __res);
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}
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@@ -2405,7 +2405,7 @@ struct kernel_statfs {
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"d"(LSS_SYSCALL_ARG(parent_tidptr)),
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"r"(LSS_SYSCALL_ARG(newtls)),
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"r"(LSS_SYSCALL_ARG(child_tidptr))
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- : "rsp", "memory", "r8", "r10", "r11", "rcx");
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+ : "memory", "r8", "r10", "r11", "rcx");
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}
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LSS_RETURN(int, __res);
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}
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