diff options
| -rw-r--r-- | gcc/ChangeLog | 16 | ||||
| -rw-r--r-- | gcc/config/pa/pa-hpux10.h | 8 | ||||
| -rw-r--r-- | gcc/config/pa/pa-hpux11.h | 15 | ||||
| -rw-r--r-- | gcc/config/pa/pa64-hpux.h | 10 | ||||
| -rw-r--r-- | gcc/doc/install.texi | 42 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 35 |
6 files changed, 101 insertions, 25 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c6210cf..35c7a34 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,19 @@ +2003-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * doc/install.texi (hppa): Update links for HP-UX patches. Revise + notes on linker selection and configuration for 64-bit HP-UX port. + * doc/invoke.texi (hppa): Remove hppa text from description for + -ffunction-sections and -fdata-sections. Document -static, -nolibdld + and -threads options. + + * pa-hpux10.h (LIB_SPEC): Add link options to resolve dependency of + libc.a on libdld.sl when -static is specified and -nolibdld is not + specified. + * pa64-hpux.h (LIB_SPEC): Likewise. + * pa-hpux11.h (LIB_SPEC): Likewise. + (LINK_SPEC): Add __gcc_plt_call as an undefined symbol when -shared + is not specified. + 2003-04-11 Zack Weinberg <zack@codesourcery.com> * config/darwin-c.c (darwin_pragma_unused): Use lookup_name, diff --git a/gcc/config/pa/pa-hpux10.h b/gcc/config/pa/pa-hpux10.h index 0354543..9cd7c1b 100644 --- a/gcc/config/pa/pa-hpux10.h +++ b/gcc/config/pa/pa-hpux10.h @@ -82,10 +82,12 @@ Boston, MA 02111-1307, USA. */ #define LIB_SPEC \ "%{!shared:\ %{!p:%{!pg:\ - %{!threads:-lc}\ + %{!threads:-lc %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}\ %{threads:-lcma -lc_r}}}\ - %{p: -L/lib/libp/ -lc}\ - %{pg: -L/lib/libp/ -lc}}" + %{p: -L/lib/libp/ -lc\ + %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}\ + %{pg: -L/lib/libp/ -lc\ + %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}" #undef THREAD_MODEL_SPEC #define THREAD_MODEL_SPEC "%{!threads:single}%{threads:dce}" diff --git a/gcc/config/pa/pa-hpux11.h b/gcc/config/pa/pa-hpux11.h index 502b82b..b567c98 100644 --- a/gcc/config/pa/pa-hpux11.h +++ b/gcc/config/pa/pa-hpux11.h @@ -72,10 +72,13 @@ Boston, MA 02111-1307, USA. */ #undef LINK_SPEC #if ((TARGET_DEFAULT | TARGET_CPU_DEFAULT) & 1) #define LINK_SPEC \ - "%{!mpa-risc-1-0:%{!shared:-L/lib/pa1.1 -L/usr/lib/pa1.1 }} -z %{mlinker-opt:-O} %{!shared:-u main} %{static:-a archive} %{shared:-b}" + "%{!mpa-risc-1-0:%{!shared:-L/lib/pa1.1 -L/usr/lib/pa1.1 }} -z\ + %{mlinker-opt:-O} %{!shared:-u main -u __gcc_plt_call}\ + %{static:-a archive} %{shared:-b}" #else #define LINK_SPEC \ - "-z %{mlinker-opt:-O} %{!shared:-u main} %{static:-a archive} %{shared:-b}" + "-z %{mlinker-opt:-O} %{!shared:-u main -u __gcc_plt_call}\ + %{static:-a archive} %{shared:-b}" #endif /* Like the default, except no -lg. */ @@ -83,10 +86,12 @@ Boston, MA 02111-1307, USA. */ #define LIB_SPEC \ "%{!shared:\ %{!p:%{!pg:\ - %{!threads:-lc}\ + %{!threads:-lc %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}\ %{threads:-lcma -lc_r}}}\ - %{p: -L/lib/libp/ -lc}\ - %{pg: -L/lib/libp/ -lc}}" + %{p: -L/lib/libp/ -lc\ + %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}\ + %{pg: -L/lib/libp/ -lc\ + %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}" /* Under hpux11, the normal location of the `ld' and `as' programs is the /usr/ccs/bin directory. */ diff --git a/gcc/config/pa/pa64-hpux.h b/gcc/config/pa/pa64-hpux.h index 690d511..024d189 100644 --- a/gcc/config/pa/pa64-hpux.h +++ b/gcc/config/pa/pa64-hpux.h @@ -47,10 +47,12 @@ Boston, MA 02111-1307, USA. */ #undef LIB_SPEC #define LIB_SPEC \ "%{!shared:\ - %{!p:\ - %{!pg: %{!threads:-lc} %{threads:-lcma -lc_r}}\ - %{pg: -L/usr/lib/pa20_64/libp/ -lgprof -lc}}\ - %{p: -L/usr/lib/pa20_64/libp/ -lprof -lc}} /usr/lib/pa20_64/milli.a" + %{!p:%{!pg: -lc %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\ + %{pg: -L/usr/lib/pa20_64/libp/ -lgprof -lc\ + %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}\ + %{p: -L/usr/lib/pa20_64/libp/ -lprof -lc\ + %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\ + /usr/lib/pa20_64/milli.a" /* Under hpux11, the normal location of the `ld' and `as' programs is the /usr/ccs/bin directory. */ diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi index e78979b..b379c74 100644 --- a/gcc/doc/install.texi +++ b/gcc/doc/install.texi @@ -2177,15 +2177,15 @@ charge: @itemize @bullet @item @html -<a href="http://us-support.external.hp.com">US, Canada, Asia-Pacific, and +<a href="http://us.itrc.hp.com/service/home/home.do">US, Canada, Asia-Pacific, and Latin-America</a> @end html @ifnothtml -@uref{http://us-support.external.hp.com,,}US, Canada, Asia-Pacific, and -Latin-America +@uref{http://us.itrc.hp.com/service/home/home.do,,} US, Canada, Asia-Pacific, +and Latin-America. @end ifnothtml @item -@uref{http://europe-support.external.hp.com,,Europe} +@uref{http://europe.itrc.hp.com/service/home/home.do,,} Europe. @end itemize The HP assembler on these systems is much better than the hpux9 assembler, @@ -2211,6 +2211,13 @@ set your @env{PATH} or define @env{CC} so that configure finds an appropriate compiler for the initial bootstrap. Different prefixes must be used if both ports are to be installed on the same system. +It is best to explicitly configure the @samp{hppa64-hp-hpux11*} target +with the @option{--with-ld=@dots{}} option. We support both the HP +and GNU linkers for this target. The two linkers require different +link commands. Thus, it's not possible to switch linkers during a +GCC build. This has been been reported to occur in a unified build +of binutils and GCC. + GCC 2.95.x is not supported under HP-UX 11 and cannot be used to compile GCC 3.0 and up. Refer to @uref{binaries.html,,binaries} for information about obtaining precompiled GCC binaries for HP-UX. @@ -2244,10 +2251,29 @@ by the HP linker. So, again a recent linker patch is recommended. The HP assembler has many limitations and is not recommended for either the 32 or 64-bit ports. For example, it does not support weak symbols or alias definitions. As a result, explicit template instantiations -are required when using C++. You also can't generate debugging information -when using the HP assembler. Either the HP or GNU linker can be used -with the 64-bit port but it may be necessary to use the GNU linker -when dwarf2 exception support is implemented. +are required when using C++. This will make it difficult if not +impossible to build many C++ applications. You also can't generate +debugging information when using the HP assembler with GCC. + +There are a number of issues to consider in selecting which linker to +use with the 64-bit port. The GNU 64-bit linker can only create dynamic +binaries. The @option{-static} option causes linking with archive +libraries but doesn't produce a truly static binary. Dynamic binaries +still require final binding by the dynamic loader to resolve a set of +dynamic-loader-defined symbols. The default behavior of the HP linker +is the same as the GNU linker. However, it can generate true 64-bit +static binaries using the @option{+compat} option. + +The HP 64-bit linker doesn't support linkonce semantics. As a +result, C++ programs have many more sections than they should. + +The GNU 64-bit linker has some issues with shared library support +and exceptions. As a result, we only support libgcc in archive +format. For similar reasons, dwarf2 unwind and exception support +are disabled. The GNU linker also has problems creating binaries +with @option{-static}. It doesn't provide stubs for internal +calls to global functions in shared libraries, so these calls +can't be overloaded. There are several possible approaches to building the distribution. Binutils can be built first using the HP tools. Then, the GCC diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 406a448..bfa38fb 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -504,7 +504,8 @@ in the following sections. -mno-portable-runtime -mno-soft-float @gol -mno-space-regs -msoft-float -mpa-risc-1-0 @gol -mpa-risc-1-1 -mpa-risc-2-0 -mportable-runtime @gol --mschedule=@var{cpu-type} -mspace-regs -msio -mwsio} +-mschedule=@var{cpu-type} -mspace-regs -msio -mwsio @gol +-nolibdld -static -threads} @emph{Intel 960 Options} @gccoptlist{-m@var{cpu-type} -masm-compat -mclean-linkage @gol @@ -4367,10 +4368,10 @@ function or the name of the data item determines the section's name in the output file. Use these options on systems where the linker can perform optimizations -to improve locality of reference in the instruction space. HPPA -processors running HP-UX and SPARC processors running Solaris 2 have -linkers with such optimizations. Other systems using the ELF object format -as well as AIX may have these optimizations in the future. +to improve locality of reference in the instruction space. Most systems +using the ELF object format and SPARC processors running Solaris 2 have +linkers with such optimizations. AIX may have these optimizations in +the future. Only use these options when there are significant benefits from doing so. When you specify these options, the assembler and linker will @@ -8576,6 +8577,30 @@ symbol-difference or pc-relative calls should be relatively small. However, an indirect call is used on 32-bit ELF systems in pic code and it is quite long. +@item -nolibdld +@opindex nolibdld +Suppress the generation of link options to search libdld.sl when the +@option{-static} option is specified on HP-UX 10 and later. + +@item -static +@opindex static +The HP-UX implementation of setlocale in libc has a dependency on +libdld.sl. There isn't an archive version of libdld.sl. Thus, +when the @option{-static} option is specified, special link options +are needed to resolve this dependency. + +On HP-UX 10 and later, the GCC driver adds the necessary options to +link with libdld.sl when the @option{-static} option is specified. +This causes the resulting binary to be dynamic. On the 64-bit port, +the linkers generate dynamic binaries by default in any case. The +@option{-nolibdld} option can be used to prevent the GCC driver from +adding these link options. + +@item -threads +@opindex threads +Add support for multithreading with the @dfn{dce thread} library +under HP-UX. This option sets flags for both the preprocessor and +linker. @end table @node Intel 960 Options |