diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/mips/mips.h | 26 |
2 files changed, 30 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6ed8922..a82c6d3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2008-11-24 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips.h (ASM_OUTPUT_DEBUG_LABEL): Define. + 2008-11-24 Maxim Kuvyrkov <maxim@codesourcery.com> PR target/35018 diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h index 562c053..6f98cd0 100644 --- a/gcc/config/mips/mips.h +++ b/gcc/config/mips/mips.h @@ -2845,6 +2845,32 @@ while (0) #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ sprintf ((LABEL), "*%s%s%ld", (LOCAL_LABEL_PREFIX), (PREFIX), (long)(NUM)) +/* Print debug labels as "foo = ." rather than "foo:" because they should + represent a byte pointer rather than an ISA-encoded address. This is + particularly important for code like: + + $LFBxxx = . + .cfi_startproc + ... + .section .gcc_except_table,... + ... + .uleb128 foo-$LFBxxx + + The .uleb128 requies $LFBxxx to match the FDE start address, which is + likewise a byte pointer rather than an ISA-encoded address. + + At the time of writing, this hook is not used for the function end + label: + + $LFExxx: + .end foo + + But this doesn't matter, because GAS doesn't treat a pre-.end label + as a MIPS16 one anyway. */ + +#define ASM_OUTPUT_DEBUG_LABEL(FILE, PREFIX, NUM) \ + fprintf (FILE, "%s%s%d = .\n", LOCAL_LABEL_PREFIX, PREFIX, NUM) + /* This is how to output an element of a case-vector that is absolute. */ #define ASM_OUTPUT_ADDR_VEC_ELT(STREAM, VALUE) \ |