The 32-bit ARM architecture in Linux has gained a vDSO as of the 4.1 release. (I was the primary author.) Document the symbols exported by the ARM VDSO. Accepted kernel submission: http://lists.infradead.org/pipermail/linux-arm-kernel/2015-March/332573.html Signed-off-by: Nathan Lynch <nathan_lynch@xxxxxxxxxx> --- man7/vdso.7 | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/man7/vdso.7 b/man7/vdso.7 index 193fadeb52f8..4df579edd401 100644 --- a/man7/vdso.7 +++ b/man7/vdso.7 @@ -148,6 +148,7 @@ l l. user ABI vDSO name _ aarch64 linux-vdso.so.1 +arm linux-vdso.so.1 ia64 linux-gate.so.1 ppc/32 linux-vdso32.so.1 ppc/64 linux-vdso64.so.1 @@ -175,9 +176,27 @@ an i386 32-bit kernel or under an x86_64 64-bit kernel. Therefore, the name of the user-space ABI should be used to determine which of the sections below is relevant. .SS ARM functions +.\" See linux/arch/arm/vdso/vdso.lds.S +.\" Commit: 8512287a8165592466cb9cb347ba94892e9c56a5 +The table below lists the symbols exported by the vDSO. +.if t \{\ +.ft CW +\} +.TS +l l. +symbol version +_ +__vdso_gettimeofday LINUX_2.6 (exported since Linux 4.1) +__vdso_clock_gettime LINUX_2.6 (exported since Linux 4.1) +.TE +.if t \{\ +.in +.ft P +\} + .\" See linux/arch/arm/kernel/entry-armv.S .\" See linux/Documentation/arm/kernel_user_helpers.txt -The ARM port has a code page full of utility functions. +Additionally, the ARM port has a code page full of utility functions. Since it's just a raw page of code, there is no ELF information for doing symbol lookups or versioning. It does provide support for different versions though. -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
