[Lldb-commits] Patch for Review: Add new Linux auxv types
Kopec, Matt
matt.kopec at intel.com
Mon Jun 17 10:17:53 PDT 2013
Looks good to me. I guess these are taken from elf.h?
Ed: Any comments from the FreeBSD side?
Matt
On 2013-06-14, at 8:59 PM, Michael Sartain <mikesart at gmail.com> wrote:
> Linux is setting several auxv types that lldb doesn't know about and lists as "AT_???" in the log file. This fixes that on my 64-bit 12.04 system. Please let me know if this interferes with anything in freebsd or other, and if not I'll check in.
> Thanks.
> -Mike
>
> diff -r a2ce67523dc6 source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.cpp
> --- a/source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.cpp Fri Jun 14 17:25:52 2013 -0700
> +++ b/source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.cpp Fri Jun 14 17:54:31 2013 -0700
> @@ -129,25 +129,41 @@
> #define ENTRY_NAME(_type) _type: name = #_type
> switch (type)
> {
> - case ENTRY_NAME(AT_NULL); break;
> - case ENTRY_NAME(AT_IGNORE); break;
> - case ENTRY_NAME(AT_EXECFD); break;
> - case ENTRY_NAME(AT_PHDR); break;
> - case ENTRY_NAME(AT_PHENT); break;
> - case ENTRY_NAME(AT_PHNUM); break;
> - case ENTRY_NAME(AT_PAGESZ); break;
> - case ENTRY_NAME(AT_BASE); break;
> - case ENTRY_NAME(AT_FLAGS); break;
> - case ENTRY_NAME(AT_ENTRY); break;
> - case ENTRY_NAME(AT_NOTELF); break;
> - case ENTRY_NAME(AT_UID); break;
> - case ENTRY_NAME(AT_EUID); break;
> - case ENTRY_NAME(AT_GID); break;
> - case ENTRY_NAME(AT_EGID); break;
> - case ENTRY_NAME(AT_CLKTCK); break;
> + case ENTRY_NAME(AT_NULL); break;
> + case ENTRY_NAME(AT_IGNORE); break;
> + case ENTRY_NAME(AT_EXECFD); break;
> + case ENTRY_NAME(AT_PHDR); break;
> + case ENTRY_NAME(AT_PHENT); break;
> + case ENTRY_NAME(AT_PHNUM); break;
> + case ENTRY_NAME(AT_PAGESZ); break;
> + case ENTRY_NAME(AT_BASE); break;
> + case ENTRY_NAME(AT_FLAGS); break;
> + case ENTRY_NAME(AT_ENTRY); break;
> + case ENTRY_NAME(AT_NOTELF); break;
> + case ENTRY_NAME(AT_UID); break;
> + case ENTRY_NAME(AT_EUID); break;
> + case ENTRY_NAME(AT_GID); break;
> + case ENTRY_NAME(AT_EGID); break;
> + case ENTRY_NAME(AT_CLKTCK); break;
> + case ENTRY_NAME(AT_PLATFORM); break;
> + case ENTRY_NAME(AT_HWCAP); break;
> + case ENTRY_NAME(AT_FPUCW); break;
> + case ENTRY_NAME(AT_DCACHEBSIZE); break;
> + case ENTRY_NAME(AT_ICACHEBSIZE); break;
> + case ENTRY_NAME(AT_UCACHEBSIZE); break;
> + case ENTRY_NAME(AT_IGNOREPPC); break;
> + case ENTRY_NAME(AT_SECURE); break;
> + case ENTRY_NAME(AT_BASE_PLATFORM); break;
> + case ENTRY_NAME(AT_RANDOM); break;
> + case ENTRY_NAME(AT_EXECFN); break;
> + case ENTRY_NAME(AT_SYSINFO); break;
> + case ENTRY_NAME(AT_SYSINFO_EHDR); break;
> + case ENTRY_NAME(AT_L1I_CACHESHAPE); break;
> + case ENTRY_NAME(AT_L1D_CACHESHAPE); break;
> + case ENTRY_NAME(AT_L2_CACHESHAPE); break;
> + case ENTRY_NAME(AT_L3_CACHESHAPE); break;
> }
> #undef ENTRY_NAME
>
> return name;
> }
> -
> diff -r a2ce67523dc6 source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.h
> --- a/source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.h Fri Jun 14 17:25:52 2013 -0700
> +++ b/source/Plugins/DynamicLoader/POSIX-DYLD/AuxVector.h Fri Jun 14 17:54:31 2013 -0700
> @@ -41,23 +41,41 @@
> };
>
> /// Constants describing the type of entry.
> + /// On Linux, running "LD_SHOW_AUXV=1 ./executable" will spew AUX information.
> enum EntryType {
> - AT_NULL = 0, ///< End of auxv.
> - AT_IGNORE = 1, ///< Ignore entry.
> - AT_EXECFD = 2, ///< File descriptor of program.
> - AT_PHDR = 3, ///< Program headers.
> - AT_PHENT = 4, ///< Size of program header.
> - AT_PHNUM = 5, ///< Number of program headers.
> - AT_PAGESZ = 6, ///< Page size.
> - AT_BASE = 7, ///< Interpreter base address.
> - AT_FLAGS = 8, ///< Flags.
> - AT_ENTRY = 9, ///< Program entry point.
> - AT_NOTELF = 10, ///< Set if program is not an ELF.
> - AT_UID = 11, ///< UID.
> - AT_EUID = 12, ///< Effective UID.
> - AT_GID = 13, ///< GID.
> - AT_EGID = 14, ///< Effective GID.
> - AT_CLKTCK = 17 ///< Clock frequency (e.g. times(2)).
> + AT_NULL = 0, ///< End of auxv.
> + AT_IGNORE = 1, ///< Ignore entry.
> + AT_EXECFD = 2, ///< File descriptor of program.
> + AT_PHDR = 3, ///< Program headers.
> + AT_PHENT = 4, ///< Size of program header.
> + AT_PHNUM = 5, ///< Number of program headers.
> + AT_PAGESZ = 6, ///< Page size.
> + AT_BASE = 7, ///< Interpreter base address.
> + AT_FLAGS = 8, ///< Flags.
> + AT_ENTRY = 9, ///< Program entry point.
> + AT_NOTELF = 10, ///< Set if program is not an ELF.
> + AT_UID = 11, ///< UID.
> + AT_EUID = 12, ///< Effective UID.
> + AT_GID = 13, ///< GID.
> + AT_EGID = 14, ///< Effective GID.
> + AT_CLKTCK = 17, ///< Clock frequency (e.g. times(2)).
> + AT_PLATFORM = 15, ///< String identifying platform. */
> + AT_HWCAP = 16, ///< Machine dependent hints about processor capabilities. */
> + AT_FPUCW = 18, ///< Used FPU control word. */
> + AT_DCACHEBSIZE = 19, ///< Data cache block size. */
> + AT_ICACHEBSIZE = 20, ///< Instruction cache block size. */
> + AT_UCACHEBSIZE = 21, ///< Unified cache block size. */
> + AT_IGNOREPPC = 22, ///< Entry should be ignored. */
> + AT_SECURE = 23, ///< Boolean, was exec setuid-like? */
> + AT_BASE_PLATFORM = 24, ///< String identifying real platforms.*/
> + AT_RANDOM = 25, ///< Address of 16 random bytes. */
> + AT_EXECFN = 31, ///< Filename of executable. */
> + AT_SYSINFO = 32, ///< Pointer to the global system page used for system calls and other nice things.
> + AT_SYSINFO_EHDR = 33,
> + AT_L1I_CACHESHAPE = 34, ///< Shapes of the caches.
> + AT_L1D_CACHESHAPE = 35,
> + AT_L2_CACHESHAPE = 36,
> + AT_L3_CACHESHAPE = 37,
> };
>
> private:
>
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