toolchain/gcc/patches/5.5.0/203-musl_powerpc.patch

   1
   2 gcc/Changelog:
   3
   4 2015-04-24  Gregor Richards  <gregor.richards@uwaterloo.ca>
   5             Szabolcs Nagy  <szabolcs.nagy@arm.com>
   6
   7         * config.gcc (secure_plt): Add *-linux*-musl*.
   8         * config/rs6000/linux64.h (MUSL_DYNAMIC_LINKER32): Define.
   9         (MUSL_DYNAMIC_LINKER64): Define.
  10         (GNU_USER_DYNAMIC_LINKER32): Update.
  11         (GNU_USER_DYNAMIC_LINKER64): Update.
  12         (CHOOSE_DYNAMIC_LINKER): Update.
  13
  14         * config/rs6000/secureplt.h (LINK_SECURE_PLT_DEFAULT_SPEC): Define.
  15         * config/rs6000/sysv4.h (GNU_USER_DYNAMIC_LINKER): Update.
  16         (MUSL_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER_E,)
  17         (INCLUDE_DEFAULTS_MUSL_GPP, INCLUDE_DEFAULTS_MUSL_LOCAL,)
  18         (INCLUDE_DEFAULTS_MUSL_PREFIX, INCLUDE_DEFAULTS_MUSL_CROSS,)
  19         (INCLUDE_DEFAULTS_MUSL_TOOL, INCLUDE_DEFAULTS_MUSL_NATIVE): Define.
  20         (LINK_SECURE_PLT_DEFAULT_SPEC): Define.
  21         (CHOOSE_DYNAMIC_LINKER, LINK_TARGET_SPEC, LINK_OS_LINUX_SPEC): Update.
  22
  23         * config/rs6000/sysv4le.h (MUSL_DYNAMIC_LINKER_E): Define.
  24
  25 --- a/gcc/config/rs6000/linux64.h
  26 +++ b/gcc/config/rs6000/linux64.h
  27 @@ -365,17 +365,21 @@ extern int dot_symbols;
  28  #endif
  29  #define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
  30  #define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
  31 +#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-powerpc" MUSL_DYNAMIC_LINKER_E ".so.1"
  32 +#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-powerpc64" MUSL_DYNAMIC_LINKER_E ".so.1"
  33  #if DEFAULT_LIBC == LIBC_UCLIBC
  34 -#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
  35 +#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}"
  36  #elif DEFAULT_LIBC == LIBC_GLIBC
  37 -#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
  38 +#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}"
  39 +#elif DEFAULT_LIBC == LIBC_MUSL
  40 +#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}"
  41  #else
  42  #error "Unsupported DEFAULT_LIBC"
  43  #endif
  44  #define GNU_USER_DYNAMIC_LINKER32 \
  45 -  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32)
  46 +  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32)
  47  #define GNU_USER_DYNAMIC_LINKER64 \
  48 -  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64)
  49 +  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64)
  50
  51  #undef  DEFAULT_ASM_ENDIAN
  52  #if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN)
  53 --- a/gcc/config/rs6000/secureplt.h
  54 +++ b/gcc/config/rs6000/secureplt.h
  55 @@ -18,3 +18,4 @@ along with GCC; see the file COPYING3.
  56  <http://www.gnu.org/licenses/>.  */
  57
  58  #define CC1_SECURE_PLT_DEFAULT_SPEC "-msecure-plt"
  59 +#define LINK_SECURE_PLT_DEFAULT_SPEC "--secure-plt"
  60 --- a/gcc/config/rs6000/sysv4.h
  61 +++ b/gcc/config/rs6000/sysv4.h
  62 @@ -537,6 +537,9 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEF
  63  #ifndef CC1_SECURE_PLT_DEFAULT_SPEC
  64  #define CC1_SECURE_PLT_DEFAULT_SPEC ""
  65  #endif
  66 +#ifndef LINK_SECURE_PLT_DEFAULT_SPEC
  67 +#define LINK_SECURE_PLT_DEFAULT_SPEC ""
  68 +#endif
  69
  70  /* Pass -G xxx to the compiler.  */
  71  #undef CC1_SPEC
  72 @@ -574,7 +577,8 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEF
  73  %{R*} \
  74  %(link_shlib) \
  75  %{!T*: %(link_start) } \
  76 -%(link_os)"
  77 +%(link_os)" \
  78 +"%{!mbss-plt: %{!msecure-plt: %(link_secure_plt_default)}}"
  79
  80  /* Shared libraries are not default.  */
  81  #define LINK_SHLIB_SPEC "\
  82 @@ -757,17 +761,22 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEF
  83
  84  #define LINK_START_LINUX_SPEC ""
  85
  86 +#define MUSL_DYNAMIC_LINKER_E ENDIAN_SELECT("","le","")
  87 +
  88  #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
  89  #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
  90 +#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-powerpc" MUSL_DYNAMIC_LINKER_E ".so.1"
  91  #if DEFAULT_LIBC == LIBC_UCLIBC
  92 -#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
  93 +#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}"
  94 +#elif DEFAULT_LIBC == LIBC_MUSL
  95 +#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}"
  96  #elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC
  97 -#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
  98 +#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}"
  99  #else
 100  #error "Unsupported DEFAULT_LIBC"
 101  #endif
 102  #define GNU_USER_DYNAMIC_LINKER \
 103 -  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
 104 +  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER)
 105
 106  #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
 107    %{rdynamic:-export-dynamic} \
 108 @@ -889,6 +898,7 @@ ncrtn.o%s"
 109    { "link_os_openbsd",         LINK_OS_OPENBSD_SPEC },                 \
 110    { "link_os_default",         LINK_OS_DEFAULT_SPEC },                 \
 111    { "cc1_secure_plt_default",  CC1_SECURE_PLT_DEFAULT_SPEC },          \
 112 +  { "link_secure_plt_default", LINK_SECURE_PLT_DEFAULT_SPEC },         \
 113    { "cpp_os_ads",              CPP_OS_ADS_SPEC },                      \
 114    { "cpp_os_yellowknife",      CPP_OS_YELLOWKNIFE_SPEC },              \
 115    { "cpp_os_mvme",             CPP_OS_MVME_SPEC },                     \
 116 @@ -943,3 +953,72 @@ ncrtn.o%s"
 117  /* This target uses the sysv4.opt file.  */
 118  #define TARGET_USES_SYSV4_OPT 1
 119
 120 +/* Include order changes for musl, same as in generic linux.h.  */
 121 +#if DEFAULT_LIBC == LIBC_MUSL
 122 +#define INCLUDE_DEFAULTS_MUSL_GPP                      \
 123 +    { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1,              \
 124 +      GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 },          \
 125 +    { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1,         \
 126 +      GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 1 },          \
 127 +    { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1,     \
 128 +      GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 },
 129 +
 130 +#ifdef LOCAL_INCLUDE_DIR
 131 +#define INCLUDE_DEFAULTS_MUSL_LOCAL                    \
 132 +    { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 },              \
 133 +    { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 },
 134 +#else
 135 +#define INCLUDE_DEFAULTS_MUSL_LOCAL
 136 +#endif
 137 +
 138 +#ifdef PREFIX_INCLUDE_DIR
 139 +#define INCLUDE_DEFAULTS_MUSL_PREFIX                   \
 140 +    { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0},
 141 +#else
 142 +#define INCLUDE_DEFAULTS_MUSL_PREFIX
 143 +#endif
 144 +
 145 +#ifdef CROSS_INCLUDE_DIR
 146 +#define INCLUDE_DEFAULTS_MUSL_CROSS                    \
 147 +    { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0},
 148 +#else
 149 +#define INCLUDE_DEFAULTS_MUSL_CROSS
 150 +#endif
 151 +
 152 +#ifdef TOOL_INCLUDE_DIR
 153 +#define INCLUDE_DEFAULTS_MUSL_TOOL                     \
 154 +    { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0},
 155 +#else
 156 +#define INCLUDE_DEFAULTS_MUSL_TOOL
 157 +#endif
 158 +
 159 +#ifdef NATIVE_SYSTEM_HEADER_DIR
 160 +#define INCLUDE_DEFAULTS_MUSL_NATIVE                   \
 161 +    { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 },       \
 162 +    { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 0 },
 163 +#else
 164 +#define INCLUDE_DEFAULTS_MUSL_NATIVE
 165 +#endif
 166 +
 167 +#if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT)
 168 +# undef INCLUDE_DEFAULTS_MUSL_LOCAL
 169 +# define INCLUDE_DEFAULTS_MUSL_LOCAL
 170 +# undef INCLUDE_DEFAULTS_MUSL_NATIVE
 171 +# define INCLUDE_DEFAULTS_MUSL_NATIVE
 172 +#else
 173 +# undef INCLUDE_DEFAULTS_MUSL_CROSS
 174 +# define INCLUDE_DEFAULTS_MUSL_CROSS
 175 +#endif
 176 +
 177 +#undef INCLUDE_DEFAULTS
 178 +#define INCLUDE_DEFAULTS                               \
 179 +  {                                                    \
 180 +    INCLUDE_DEFAULTS_MUSL_GPP                          \
 181 +    INCLUDE_DEFAULTS_MUSL_PREFIX                       \
 182 +    INCLUDE_DEFAULTS_MUSL_CROSS                                \
 183 +    INCLUDE_DEFAULTS_MUSL_TOOL                         \
 184 +    INCLUDE_DEFAULTS_MUSL_NATIVE                       \
 185 +    { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 },            \
 186 +    { 0, 0, 0, 0, 0, 0 }                               \
 187 +  }
 188 +#endif
 189 --- a/gcc/config/rs6000/sysv4le.h
 190 +++ b/gcc/config/rs6000/sysv4le.h
 191 @@ -31,3 +31,5 @@
 192  /* Little-endian PowerPC64 Linux uses the ELF v2 ABI by default.  */
 193  #define LINUX64_DEFAULT_ABI_ELFv2
 194
 195 +#undef MUSL_DYNAMIC_LINKER_E
 196 +#define MUSL_DYNAMIC_LINKER_E ENDIAN_SELECT("","le","le")
 197 --- a/gcc/config.gcc
 198 +++ b/gcc/config.gcc
 199 @@ -2430,6 +2430,10 @@ powerpc*-*-linux*)
 200             powerpc*-*-linux*paired*)
 201                 tm_file="${tm_file} rs6000/750cl.h" ;;
 202         esac
 203 +       case ${target} in
 204 +               *-linux*-musl*)
 205 +                       enable_secureplt=yes ;;
 206 +       esac
 207         if test x${enable_secureplt} = xyes; then
 208                 tm_file="rs6000/secureplt.h ${tm_file}"
 209         fi