diff options
Diffstat (limited to 'boehm-gc/include/private/gcconfig.h')
| -rw-r--r-- | boehm-gc/include/private/gcconfig.h | 46 |
1 files changed, 41 insertions, 5 deletions
diff --git a/boehm-gc/include/private/gcconfig.h b/boehm-gc/include/private/gcconfig.h index 0f7fe248073..e8bac1bcdc2 100644 --- a/boehm-gc/include/private/gcconfig.h +++ b/boehm-gc/include/private/gcconfig.h @@ -174,7 +174,7 @@ # define IA64 # define mach_type_known # endif -# if defined(LINUX) && defined(powerpc) +# if defined(LINUX) && (defined(powerpc) || defined(__powerpc__)) # define POWERPC # define mach_type_known # endif @@ -350,6 +350,14 @@ # define S370 # define mach_type_known # endif +# if defined(__GNU__) +# if defined(__i386__) +/* The Debian Hurd running on generic PC */ +# define HURD +# define I386 +# define mach_type_known +# endif +# endif /* Feel free to add more clauses here */ @@ -497,6 +505,14 @@ * word stores of 0 are used instead. */ +/* If we are using a recent version of gcc, we can use __builtin_unwind_init() + * to push the relevant registers onto the stack. This generally makes + * USE_GENERIC_PUSH_REGS the preferred approach for marking from registers. + */ +# if defined(__GNUC__) && ((__GNUC__ >= 3) || \ + (__GNUC__ == 2 && __GNUC_MINOR__ >= 8)) +# define HAVE_BUILTIN_UNWIND_INIT +# endif # define STACK_GRAN 0x1000000 # ifdef M68K @@ -804,6 +820,9 @@ # define ALIGN_DOUBLE /* Not strictly necessary, but may give speed */ /* improvement on Pentiums. */ # endif +# ifdef HAVE_BUILTIN_UNWIND_INIT +# define USE_GENERIC_PUSH_REGS +# endif # ifdef SEQUENT # define OS_TYPE "SEQUENT" extern int etext; @@ -1023,6 +1042,17 @@ # define DATASTART ((ptr_t) &__nullarea) # define DATAEND ((ptr_t) &_end) # endif +# ifdef HURD +# define OS_TYPE "HURD" +# define STACK_GROWS_DOWN +# define HEURISTIC2 + extern int __data_start; +# define DATASTART ( (ptr_t) (&__data_start)) + extern int _end; +# define DATAEND ( (ptr_t) (&_end)) +/* # define MPROTECT_VDB Not quite working yet? */ +# define DYNAMIC_LOADING +# endif # endif # ifdef NS32K @@ -1039,7 +1069,6 @@ # ifdef MIPS # define MACH_TYPE "MIPS" -/* # define STACKBOTTOM ((ptr_t)0x7fff8000) sometimes also works. */ # ifdef LINUX /* This was developed for a linuxce style platform. Probably */ /* needs to be tweaked for workstation class machines. */ @@ -1047,8 +1076,9 @@ extern int __data_start; # define DATASTART ((ptr_t)(&__data_start)) # define ALIGNMENT 4 -# define USE_GENERIC_PUSH_REGS 1 -# define STACKBOTTOM 0x80000000 +# define USE_GENERIC_PUSH_REGS +# define STACKBOTTOM ((ptr_t)0x7fff8000) + /* Older toolchains may need 0x80000000. */ /* In many cases, this should probably use LINUX_STACKBOTTOM */ /* instead. But some kernel versions seem to give the wrong */ /* value from /proc. */ @@ -1106,7 +1136,7 @@ # define ALIGNMENT 4 # define OS_TYPE "NETBSD" # define HEURISTIC2 -# define USE_GENERIC_PUSH_REGS 1 +# define USE_GENERIC_PUSH_REGS # ifdef __ELF__ extern int etext; # define DATASTART GC_data_start @@ -1587,6 +1617,12 @@ # if defined(HPUX_THREADS) && !defined(HPUX) --> inconsistent configuration # endif +# if defined(WIN32_THREADS) && !defined(MSWIN32) + /* Ideally CYGWIN32 should work, in addition to MSWIN32. I suspect the necessary code */ + /* is mostly there, but nobody has actually made sure the right combination of pieces is */ + /* compiled in, etc. */ +--> inconsistent configuration +# endif # if defined(PCR) || defined(SRC_M3) || \ defined(SOLARIS_THREADS) || defined(WIN32_THREADS) || \ defined(IRIX_THREADS) || defined(LINUX_THREADS) || \ |