| 1b8f31c8 |
1 | From: Bernardo Innocenti <bernie@develer.com> |
| 2 | |
| 3 | Adjusts the linker invocation for multilib targets built |
| 4 | with -mid-shared-library. |
| 5 | |
| 6 | FIXME: this patch messes up the common m68k-elf target configuration. |
| 7 | uClinux specific stuff ought to be moved to its own target (m68k-*-uclinux*). |
| 8 | |
| 9 | diff -Nru gcc-3.3.1.orig/gcc/config/m68k/m68020-elf.h gcc-3.3.1/gcc/config/m68k/m68020-elf.h |
| 10 | --- gcc-3.3.1.orig/gcc/config/m68k/m68020-elf.h 2001-12-11 19:21:03.000000000 +0100 |
| 11 | +++ gcc-3.3.1/gcc/config/m68k/m68020-elf.h 2003-07-25 17:52:20.000000000 +0200 |
| 12 | @@ -21,13 +21,46 @@ |
| 13 | |
| 14 | /* This comment is here to see if it will keep Sun's cpp from dying. */ |
| 15 | |
| 16 | -/* We need to override the default specs from elfos.h. This suppresses the |
| 17 | - loading of crt0.o by gcc's default linker spec. For embedded targets crt0 |
| 18 | - now comes from the linker script. */ |
| 19 | - |
| 20 | +/* Undo the empty definition of STARTFILE_SPEC from m68kemb.h so we'll |
| 21 | + pick the default from gcc.c (just link crt0.o from multilib dir) */ |
| 22 | #undef STARTFILE_SPEC |
| 23 | -#define STARTFILE_SPEC "crtbegin.o%s" |
| 24 | |
| 25 | -#define LIB_SPEC "-lc" |
| 26 | +/* Override the default LIB_SPEC from gcc.c. We don't currently support |
| 27 | + profiling, or libg.a. */ |
| 28 | + |
| 29 | +#undef LIB_SPEC |
| 30 | +#define LIB_SPEC "\ |
| 31 | +%{mid-shared-library:-R libc.gdb%s -elf2flt -shared-lib-id 0} -lc \ |
| 32 | +" |
| 33 | + |
| 34 | +/* we don't want a .eh_frame section */ |
| 35 | +#define EH_FRAME_IN_DATA_SECTION |
| 36 | + |
| 37 | +/* ??? Quick hack to get constructors working. Make this look more like a |
| 38 | + COFF target, so the existing dejagnu/libgloss support works. A better |
| 39 | + solution would be to make the necessary dejagnu and libgloss changes so |
| 40 | + that we can use normal the ELF constructor mechanism. */ |
| 41 | +#undef INIT_SECTION_ASM_OP |
| 42 | +#undef FINI_SECTION_ASM_OP |
| 43 | +#undef ENDFILE_SPEC |
| 44 | +#define ENDFILE_SPEC "" |
| 45 | + |
| 46 | +/* Bring in standard linux defines |
| 47 | + FIXME: move in some separate header along with other uClinux stuff */ |
| 48 | +#define TARGET_OS_CPP_BUILTINS() \ |
| 49 | + do \ |
| 50 | + { \ |
| 51 | + builtin_define ("__uClinux__"); \ |
| 52 | + builtin_define_std ("linux"); \ |
| 53 | + builtin_define_std ("unix"); \ |
| 54 | + builtin_define ("__gnu_linux__"); \ |
| 55 | + builtin_assert ("system=posix"); \ |
| 56 | + if (flag_pic) \ |
| 57 | + { \ |
| 58 | + builtin_define ("__PIC__"); \ |
| 59 | + builtin_define ("__pic__"); \ |
| 60 | + } \ |
| 61 | + } \ |
| 62 | + while (0) |
| 63 | |
| 64 | /* end of m68020-elf.h */ |
| 65 | diff -Nru gcc-3.3.1.orig/gcc/config/m68k/m68kemb.h gcc-3.3.1/gcc/config/m68k/m68kemb.h |
| 66 | --- gcc-3.3.1.orig/gcc/config/m68k/m68kemb.h 2001-12-11 19:21:03.000000000 +0100 |
| 67 | +++ gcc-3.3.1/gcc/config/m68k/m68kemb.h 2003-07-25 00:43:55.000000000 +0200 |
| 68 | @@ -48,8 +48,10 @@ |
| 69 | /* Override the default LIB_SPEC from gcc.c. We don't currently support |
| 70 | profiling, or libg.a. */ |
| 71 | |
| 72 | -#undef LIB_SPEC |
| 73 | -#define LIB_SPEC "-lc" |
| 74 | +#undef LIB_SPEC |
| 75 | +#define LIB_SPEC "\ |
| 76 | +-lc \ |
| 77 | +" |
| 78 | |
| 79 | /* Make this be null, since we want the crt0.o to come from the linker |
| 80 | script */ |
| 81 | diff -Nru gcc-3.3.1.orig/gcc/config/m68k/t-m68kelf gcc-3.3.1/gcc/config/m68k/t-m68kelf |
| 82 | --- gcc-3.3.1.orig/gcc/config/m68k/t-m68kelf 2003-07-25 00:35:34.000000000 +0200 |
| 83 | +++ gcc-3.3.1/gcc/config/m68k/t-m68kelf 2003-07-25 00:43:55.000000000 +0200 |
| 84 | @@ -25,7 +25,5 @@ |
| 85 | LIBGCC = stmp-multilib |
| 86 | INSTALL_LIBGCC = install-multilib |
| 87 | |
| 88 | -# from ../t-svr4 |
| 89 | -EXTRA_PARTS=crtbegin.o crtend.o |
| 90 | -# no pic for now |
| 91 | -#CRTSTUFF_T_CFLAGS=-fpic |
| 92 | +# We don't use crtbegin.o and crtend.o |
| 93 | +EXTRA_PARTS = |
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