diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/m/alpha.h | 41 |
1 files changed, 30 insertions, 11 deletions
diff --git a/src/m/alpha.h b/src/m/alpha.h index 606b7aab469..09b51fd6993 100644 --- a/src/m/alpha.h +++ b/src/m/alpha.h @@ -139,6 +139,21 @@ NOTE-END /* #define NO_SOCK_SIGIO */ +#ifdef __ELF__ +/* With ELF, make sure that all common symbols get allocated to in the + data section. Otherwise, the dump of temacs may miss variables in + the shared library that have been initialized. For example, with + GNU libc, __malloc_initialized would normally be resolved to the + shared library's .bss section, which is fatal. */ +# ifdef __GNUC__ +# define C_SWITCH_MACHINE -fno-common +# else +# error What gives? Fix me if DEC Unix supports ELF now. +# endif +#endif + +#ifndef __ELF__ + /* Describe layout of the address space in an executing process. */ #define TEXT_START 0x120000000 @@ -149,6 +164,12 @@ NOTE-END #define DATA_SEG_BITS 0x140000000 +/* The program to be used for unexec. */ + +#define UNEXEC unexalpha.o + +#endif /* notdef __ELF__ */ + #ifdef OSF1 #define ORDINARY_LINK @@ -175,15 +196,11 @@ NOTE-END #define START_FILES pre-crt0.o #endif -#ifdef LINUX +#if defined (LINUX) && __GNU_LIBRARY__ - 0 < 6 /* This controls a conditional in main. */ #define LINUX_SBRK_BUG #endif -/* The program to be used for unexec. */ - -#define UNEXEC unexalpha.o - #define PNTR_COMPARISON_TYPE unsigned long @@ -273,12 +290,14 @@ extern void r_alloc_free (); while (0) #endif -#ifdef linux -#define COFF -/* Linux/Alpha doesn't like it if termio.h and termios.h get included - simultaneously. */ +/* On the Alpha it's best to avoid including TERMIO since struct + termio and struct termios are mutually incompatible. */ #define NO_TERMIO -#define TEXT_END ({ extern int _etext; &_etext; }) -#define DATA_END ({ extern int _EDATA; &_EDATA; }) +#ifdef LINUX +# define TEXT_END ({ extern int _etext; &_etext; }) +# ifndef __ELF__ +# define COFF +# define DATA_END ({ extern int _EDATA; &_EDATA; }) +# endif /* notdef __ELF__ */ #endif |