diff options
Diffstat (limited to 'gcc/config/i860/sysv4.h')
| -rw-r--r-- | gcc/config/i860/sysv4.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/gcc/config/i860/sysv4.h b/gcc/config/i860/sysv4.h index 3108a74..189c20b 100644 --- a/gcc/config/i860/sysv4.h +++ b/gcc/config/i860/sysv4.h @@ -148,10 +148,25 @@ extern char *current_function_original_name; fprintf (FILE, ":\n"); \ } while (0) +/* Define the pseudo-ops used to switch to the .ctors and .dtors sections. + + Note that we want to give these sections the SHF_WRITE attribute + because these sections will actually contain data (i.e. tables of + addresses of functions in the current root executable or shared library + file) and, in the case of a shared library, the relocatable addresses + will have to be properly resolved/relocated (and then written into) by + the dynamic linker when it actually attaches the given shared library + to the executing process. (Note that on SVR4, you may wish to use the + `-z text' option to the ELF linker, when building a shared library, as + an additional check that you are doing everything right. But if you do + use the `-z text' option when building a shared library, you will get + errors unless the .ctors and .dtors sections are marked as writable + via the SHF_WRITE attribute.) */ + #undef CTORS_SECTION_ASM_OP -#define CTORS_SECTION_ASM_OP ".section\t.ctors,\"a\",\"progbits\"" +#define CTORS_SECTION_ASM_OP ".section\t.ctors,\"aw\"" #undef DTORS_SECTION_ASM_OP -#define DTORS_SECTION_ASM_OP ".section\t.dtors,\"a\",\"progbits\"" +#define DTORS_SECTION_ASM_OP ".section\t.dtors,\"aw\"" /* Add definitions to support the .tdesc section as specified in the svr4 ABI for the i860. */ |