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| author | Jason Eckhardt <jle@rice.edu> | 2003-08-06 23:59:36 +0000 |
|---|---|---|
| committer | Jason Eckhardt <jle@rice.edu> | 2003-08-06 23:59:36 +0000 |
| commit | e15f6d30741e0ec270b48deafdbd2c781f01fae6 (patch) | |
| tree | 2a0e2aaa9a02bbb3eb8e3e0990a414623df89f98 /gas/config | |
| parent | 0acc96e1c83a4b24ce0af95bbd36fcce6a56644c (diff) | |
| download | fsf-binutils-gdb-e15f6d30741e0ec270b48deafdbd2c781f01fae6.zip fsf-binutils-gdb-e15f6d30741e0ec270b48deafdbd2c781f01fae6.tar.gz fsf-binutils-gdb-e15f6d30741e0ec270b48deafdbd2c781f01fae6.tar.bz2 | |
gas:
2003-08-06 Jason Eckhardt <jle@rice.edu>
* config/tc-i860.c (i860_handle_align): New function.
* config/tc-i860.h (HANDLE_ALIGN): Define macro.
(MAX_MEM_FOR_RS_ALIGN_CODE): Define macro.
gas/testsuite:
2003-08-06 Jason Eckhardt <jle@rice.edu>
* gas/i860/dir-align01.{s,d}: New files.
* gas/i860/i860.exp: Execute the new test above.
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-i860.c | 33 | ||||
| -rw-r--r-- | gas/config/tc-i860.h | 6 |
2 files changed, 39 insertions, 0 deletions
diff --git a/gas/config/tc-i860.c b/gas/config/tc-i860.c index d170b70..b281d52 100644 --- a/gas/config/tc-i860.c +++ b/gas/config/tc-i860.c @@ -1462,3 +1462,36 @@ tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, } return reloc; } + +/* This is called from HANDLE_ALIGN in write.c. Fill in the contents + of an rs_align_code fragment. */ + +void +i860_handle_align (fragS *fragp) +{ + /* Instructions are always stored little-endian on the i860. */ + static const unsigned char le_nop[] = { 0x00, 0x00, 0x00, 0xA0 }; + + int bytes; + char *p; + + if (fragp->fr_type != rs_align_code) + return; + + bytes = fragp->fr_next->fr_address - fragp->fr_address - fragp->fr_fix; + p = fragp->fr_literal + fragp->fr_fix; + + /* Make sure we are on a 4-byte boundary, in case someone has been + putting data into a text section. */ + if (bytes & 3) + { + int fix = bytes & 3; + memset (p, 0, fix); + p += fix; + fragp->fr_fix += fix; + } + + memcpy (p, le_nop, 4); + fragp->fr_var = 4; +} + diff --git a/gas/config/tc-i860.h b/gas/config/tc-i860.h index 72a5b6a..c5c39b4 100644 --- a/gas/config/tc-i860.h +++ b/gas/config/tc-i860.h @@ -86,4 +86,10 @@ extern int target_big_endian; visible symbols can be overridden. */ #define EXTERN_FORCE_RELOC 0 +/* Bits for filling in rs_align_code fragments with NOPs. */ +extern void i860_handle_align (struct frag *); +#define HANDLE_ALIGN(fragp) i860_handle_align (fragp) + +#define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4 + 4) + #endif /* TC_I860 */ |