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author | wtc%netscape.com <devnull@localhost> | 1998-07-24 00:52:44 +0000 |
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committer | wtc%netscape.com <devnull@localhost> | 1998-07-24 00:52:44 +0000 |
commit | bc5c3bd34cf25510db56949253ecf013b0159cb9 (patch) | |
tree | 4030f8c8a9df644b1407d6a080f8c2ee9bd88616 | |
parent | 8ff15416ded3307d46b004e4a789455772a3e078 (diff) | |
download | nspr-hg-bc5c3bd34cf25510db56949253ecf013b0159cb9.tar.gz |
Merged Linux/MIPS patch contributed by Ralf <ralf@uni-koblenz.de>.
Files changed: _linux.cfg and _linux.h.
-rw-r--r-- | pr/include/md/_linux.cfg | 51 | ||||
-rw-r--r-- | pr/include/md/_linux.h | 27 |
2 files changed, 78 insertions, 0 deletions
diff --git a/pr/include/md/_linux.cfg b/pr/include/md/_linux.cfg index 969ebb70..50fffdc9 100644 --- a/pr/include/md/_linux.cfg +++ b/pr/include/md/_linux.cfg @@ -248,6 +248,57 @@ #define PR_BYTES_PER_WORD_LOG2 2 #define PR_BYTES_PER_DWORD_LOG2 3 +#elif defined(__mips__) + +#ifdef __MIPSEB__ +#define IS_BIG_ENDIAN 1 +#undef IS_LITTLE_ENDIAN +#elif defined(__MIPSEL__) +#define IS_LITTLE_ENDIAN 1 +#undef IS_BIG_ENDIAN +#else +#error "Unknown MIPS endianness." +#endif + +#define PR_BYTES_PER_BYTE 1 +#define PR_BYTES_PER_SHORT 2 +#define PR_BYTES_PER_INT 4 +#define PR_BYTES_PER_INT64 8 +#define PR_BYTES_PER_LONG 4 +#define PR_BYTES_PER_FLOAT 4 +#define PR_BYTES_PER_DOUBLE 8 +#define PR_BYTES_PER_WORD 4 +#define PR_BYTES_PER_DWORD 8 + +#define PR_BITS_PER_BYTE 8 +#define PR_BITS_PER_SHORT 16 +#define PR_BITS_PER_INT 32 +#define PR_BITS_PER_INT64 64 +#define PR_BITS_PER_LONG 32 +#define PR_BITS_PER_FLOAT 32 +#define PR_BITS_PER_DOUBLE 64 +#define PR_BITS_PER_WORD 32 + +#define PR_BITS_PER_BYTE_LOG2 3 +#define PR_BITS_PER_SHORT_LOG2 4 +#define PR_BITS_PER_INT_LOG2 5 +#define PR_BITS_PER_INT64_LOG2 6 +#define PR_BITS_PER_LONG_LOG2 5 +#define PR_BITS_PER_FLOAT_LOG2 5 +#define PR_BITS_PER_DOUBLE_LOG2 6 +#define PR_BITS_PER_WORD_LOG2 5 + +#define PR_ALIGN_OF_SHORT 2 +#define PR_ALIGN_OF_INT 4 +#define PR_ALIGN_OF_LONG 4 +#define PR_ALIGN_OF_INT64 8 +#define PR_ALIGN_OF_FLOAT 4 +#define PR_ALIGN_OF_DOUBLE 8 +#define PR_ALIGN_OF_POINTER 4 + +#define PR_BYTES_PER_WORD_LOG2 2 +#define PR_BYTES_PER_DWORD_LOG2 3 + #else #error "Unknown CPU architecture" diff --git a/pr/include/md/_linux.h b/pr/include/md/_linux.h index 4d464087..548d4a92 100644 --- a/pr/include/md/_linux.h +++ b/pr/include/md/_linux.h @@ -37,6 +37,8 @@ #define _PR_SI_ARCHITECTURE "sparc" #elif defined(__i386__) #define _PR_SI_ARCHITECTURE "x86" +#elif defined(__mips__) +#define _PR_SI_ARCHITECTURE "mips" #else #error "Unknown CPU architecture" #endif @@ -150,6 +152,18 @@ extern void _MD_CleanupBeforeExit(void); #endif /* defined(__GLIBC__) && __GLIBC__ >= 2 */ #define PR_NUM_GCREGS 6 +#elif defined(__mips__) +/* Linux/MIPS */ +#if defined(__GLIBC__) && __GLIBC__ >= 2 +#define _MD_GET_SP(_t) (_t)->md.context[0].__jmpbuf[0].__sp +#define _MD_SET_FP(_t, val) ((_t)->md.context[0].__jmpbuf[0].__fp = (val)) +#define _MD_GET_SP_PTR(_t) &(_MD_GET_SP(_t)) +#define _MD_GET_FP_PTR(_t) (&(_t)->md.context[0].__jmpbuf[0].__fp) +#define _MD_SP_TYPE __ptr_t +#else +#error "Linux/MIPS pre-glibc2 not supported yet" +#endif /* defined(__GLIBC__) && __GLIBC__ >= 2 */ + #else #error "Unknown CPU architecture" @@ -173,6 +187,19 @@ extern void _MD_CleanupBeforeExit(void); _MD_SET_FP(_thread, 0); \ } +#elif defined(__mips__) + +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ +{ \ + *status = PR_TRUE; \ + (void) sigsetjmp(CONTEXT(_thread), 1); \ + _thread->md.context[0].__jmpbuf[0].__pc = (__ptr_t) _main; \ + _MD_GET_SP(_thread) = (_MD_SP_TYPE) ((_sp) - 64); \ + _thread->md.sp = _MD_GET_SP_PTR(_thread); \ + _thread->md.fp = _MD_GET_FP_PTR(_thread); \ + _MD_SET_FP(_thread, 0); \ +} + #else #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ |