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| author | Nick Clifton <nickc@redhat.com> | 2001-05-06 10:11:33 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2001-05-06 10:11:33 +0000 |
| commit | d8708f403e7d1df1165e12d4141506a804698666 (patch) | |
| tree | 5417fe83ae70f750b42369bec30635b2fdd37d9e /gas/config | |
| parent | a7fdf62f9b557077e66b322619c584c5031b03a2 (diff) | |
| download | gdb-d8708f403e7d1df1165e12d4141506a804698666.zip gdb-d8708f403e7d1df1165e12d4141506a804698666.tar.gz gdb-d8708f403e7d1df1165e12d4141506a804698666.tar.bz2 | |
Do not insert more than MAX_MEM_FOR_RS_ALIGN_CODE bytes.
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-arm.c | 29 | ||||
| -rw-r--r-- | gas/config/tc-arm.h | 2 |
2 files changed, 18 insertions, 13 deletions
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c index 98fd045..59e8d71 100644 --- a/gas/config/tc-arm.c +++ b/gas/config/tc-arm.c @@ -8796,8 +8796,8 @@ s_arm_elf_cons (nbytes) of an rs_align_code fragment. */ void -arm_handle_align (fragp) - fragS *fragp; +arm_handle_align (fragP) + fragS *fragP; { static char const arm_noop[4] = { 0x00, 0x00, 0xa0, 0xe1 }; static char const thumb_noop[2] = { 0xc0, 0x46 }; @@ -8808,14 +8808,17 @@ arm_handle_align (fragp) char * p; const char * noop; - if (fragp->fr_type != rs_align_code) + 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; + bytes = fragP->fr_next->fr_address - fragP->fr_address - fragP->fr_fix; + p = fragP->fr_literal + fragP->fr_fix; fix = 0; - if (fragp->tc_frag_data) + if (bytes > MAX_MEM_FOR_RS_ALIGN_CODE) + bytes = MAX_MEM_FOR_RS_ALIGN_CODE; + + if (fragP->tc_frag_data) { if (target_big_endian) noop = thumb_bigend_noop; @@ -8848,8 +8851,8 @@ arm_handle_align (fragp) fix += noop_size; } - fragp->fr_fix += fix; - fragp->fr_var = noop_size; + fragP->fr_fix += fix; + fragP->fr_var = noop_size; } /* Called from md_do_align. Used to create an alignment @@ -8864,11 +8867,11 @@ arm_frag_align_code (n, max) /* We assume that there will never be a requirment to support alignments greater than 32 bytes. */ - if (max > 31) + if (max > MAX_MEM_FOR_RS_ALIGN_CODE) as_fatal (_("alignments greater than 32 bytes not supported in .text sections.")); p = frag_var (rs_align_code, - 31, + MAX_MEM_FOR_RS_ALIGN_CODE, 1, (relax_substateT) max, (symbolS *) NULL, @@ -8881,9 +8884,9 @@ arm_frag_align_code (n, max) /* Perform target specific initialisation of a frag. */ void -arm_init_frag (fragp) - fragS *fragp; +arm_init_frag (fragP) + fragS *fragP; { /* Record whether this frag is in an ARM or a THUMB area. */ - fragp->tc_frag_data = thumb_mode; + fragP->tc_frag_data = thumb_mode; } diff --git a/gas/config/tc-arm.h b/gas/config/tc-arm.h index f955c44..8de5704 100644 --- a/gas/config/tc-arm.h +++ b/gas/config/tc-arm.h @@ -215,6 +215,8 @@ void armelf_frob_symbol PARAMS ((symbolS *, int *)); #define DWARF2_LINE_MIN_INSN_LENGTH 2 #endif +#define MAX_MEM_FOR_RS_ALIGN_CODE 31 + /* For frags in code sections we need to record whether they contain ARM code or THUMB code. This is that if they have to be aligned, they can contain the correct type of no-op instruction. */ |