Merge "Use hidden visibility for generated stubs whose names begin with underscores."
This commit is contained in:
Elliott Hughes
Gerrit Code Review
commit
bbefbf1a75
27 changed files with 39 additions and 6 deletions
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@ -16,3 +16,4 @@ ENTRY(__arch_prctl)
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1:
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ret
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END(__arch_prctl)
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.hidden _C_LABEL(__arch_prctl)
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@ -16,3 +16,4 @@ ENTRY(__brk)
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1:
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ret
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END(__brk)
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.hidden _C_LABEL(__brk)
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@ -17,3 +17,4 @@ ENTRY(__clone)
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1:
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ret
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END(__clone)
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.hidden _C_LABEL(__clone)
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@ -17,3 +17,4 @@ ENTRY(__epoll_pwait)
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1:
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ret
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END(__epoll_pwait)
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.hidden _C_LABEL(__epoll_pwait)
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@ -16,3 +16,4 @@ ENTRY(__getcpu)
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1:
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ret
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END(__getcpu)
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.hidden _C_LABEL(__getcpu)
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@ -16,3 +16,4 @@ ENTRY(__getcwd)
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1:
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ret
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END(__getcwd)
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.hidden _C_LABEL(__getcwd)
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@ -16,3 +16,4 @@ ENTRY(__getpriority)
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1:
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ret
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END(__getpriority)
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.hidden _C_LABEL(__getpriority)
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@ -16,3 +16,4 @@ ENTRY(__ioctl)
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1:
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ret
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END(__ioctl)
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.hidden _C_LABEL(__ioctl)
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@ -17,3 +17,4 @@ ENTRY(__openat)
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1:
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ret
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END(__openat)
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.hidden _C_LABEL(__openat)
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@ -17,3 +17,4 @@ ENTRY(__ppoll)
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1:
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ret
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END(__ppoll)
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.hidden _C_LABEL(__ppoll)
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@ -17,3 +17,4 @@ ENTRY(__pselect6)
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1:
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ret
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END(__pselect6)
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.hidden _C_LABEL(__pselect6)
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@ -17,3 +17,4 @@ ENTRY(__ptrace)
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1:
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ret
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END(__ptrace)
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.hidden _C_LABEL(__ptrace)
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@ -17,3 +17,4 @@ ENTRY(__reboot)
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1:
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ret
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END(__reboot)
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.hidden _C_LABEL(__reboot)
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@ -17,3 +17,4 @@ ENTRY(__rt_sigaction)
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1:
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ret
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END(__rt_sigaction)
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.hidden _C_LABEL(__rt_sigaction)
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@ -16,3 +16,4 @@ ENTRY(__rt_sigpending)
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1:
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ret
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END(__rt_sigpending)
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.hidden _C_LABEL(__rt_sigpending)
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@ -17,3 +17,4 @@ ENTRY(__rt_sigprocmask)
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1:
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ret
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END(__rt_sigprocmask)
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.hidden _C_LABEL(__rt_sigprocmask)
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@ -16,3 +16,4 @@ ENTRY(__rt_sigsuspend)
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1:
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ret
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END(__rt_sigsuspend)
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.hidden _C_LABEL(__rt_sigsuspend)
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@ -17,3 +17,4 @@ ENTRY(__rt_sigtimedwait)
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1:
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ret
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END(__rt_sigtimedwait)
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.hidden _C_LABEL(__rt_sigtimedwait)
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@ -16,3 +16,4 @@ ENTRY(__sched_getaffinity)
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1:
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ret
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END(__sched_getaffinity)
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.hidden _C_LABEL(__sched_getaffinity)
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@ -16,3 +16,4 @@ ENTRY(__syslog)
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1:
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ret
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END(__syslog)
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.hidden _C_LABEL(__syslog)
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@ -16,3 +16,4 @@ ENTRY(__timer_create)
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1:
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ret
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END(__timer_create)
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.hidden _C_LABEL(__timer_create)
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@ -16,3 +16,4 @@ ENTRY(__timer_delete)
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1:
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ret
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END(__timer_delete)
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.hidden _C_LABEL(__timer_delete)
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@ -16,3 +16,4 @@ ENTRY(__timer_getoverrun)
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1:
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ret
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END(__timer_getoverrun)
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.hidden _C_LABEL(__timer_getoverrun)
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@ -16,3 +16,4 @@ ENTRY(__timer_gettime)
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1:
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ret
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END(__timer_gettime)
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.hidden _C_LABEL(__timer_gettime)
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@ -17,3 +17,4 @@ ENTRY(__timer_settime)
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1:
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ret
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END(__timer_settime)
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.hidden _C_LABEL(__timer_settime)
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@ -17,3 +17,4 @@ ENTRY(__waitid)
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1:
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ret
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END(__waitid)
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.hidden _C_LABEL(__waitid)
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@ -233,10 +233,17 @@ def make__NR_name(name):
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return "__NR_%s" % (name)
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def add_aliases(stub, syscall):
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def add_footer(pointer_length, stub, syscall):
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# Add any aliases for this syscall.
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aliases = syscall["aliases"]
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for alias in aliases:
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stub += function_alias % { "func" : syscall["func"], "alias" : alias }
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# Use hidden visibility for any functions beginning with underscores.
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# TODO: clean up single-underscore names too.
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if pointer_length == 64 and syscall["func"].startswith("__"):
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stub += '.hidden _C_LABEL(' + syscall["func"] + ')\n'
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return stub
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@ -334,22 +341,22 @@ class State:
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syscall["__NR_name"] = make__NR_name(syscall["name"])
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if syscall.has_key("arm"):
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syscall["asm-arm"] = add_aliases(arm_eabi_genstub(syscall), syscall)
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syscall["asm-arm"] = add_footer(32, arm_eabi_genstub(syscall), syscall)
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if syscall.has_key("x86"):
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if syscall["socketcall_id"] >= 0:
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syscall["asm-x86"] = add_aliases(x86_genstub_socketcall(syscall), syscall)
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syscall["asm-x86"] = add_footer(32, x86_genstub_socketcall(syscall), syscall)
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else:
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syscall["asm-x86"] = add_aliases(x86_genstub(syscall), syscall)
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syscall["asm-x86"] = add_footer(32, x86_genstub(syscall), syscall)
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elif syscall["socketcall_id"] >= 0:
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E("socketcall_id for dispatch syscalls is only supported for x86 in '%s'" % t)
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return
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if syscall.has_key("mips"):
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syscall["asm-mips"] = add_aliases(mips_genstub(syscall), syscall)
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syscall["asm-mips"] = add_footer(32, mips_genstub(syscall), syscall)
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if syscall.has_key("x86_64"):
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syscall["asm-x86_64"] = add_aliases(x86_64_genstub(syscall), syscall)
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syscall["asm-x86_64"] = add_footer(64, x86_64_genstub(syscall), syscall)
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# Scan a Linux kernel asm/unistd.h file containing __NR_* constants
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