diff options
| -rw-r--r-- | gdb/mdebugread.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/gdb/mdebugread.c b/gdb/mdebugread.c index 1e9fe6d..dda7c8c 100644 --- a/gdb/mdebugread.c +++ b/gdb/mdebugread.c @@ -2005,7 +2005,18 @@ parse_procedure (pr, search_symtab, pst) e = (struct mips_extra_func_info *) SYMBOL_VALUE (i); e->pdr = *pr; e->pdr.isym = (long) s; - e->pdr.adr += cur_fdr->adr; /* PDR address is relative to FDR address */ + + /* GDB expects the absolute function start address for the + procedure descriptor in e->pdr.adr. + As the address in the procedure descriptor is usually relative, + we would have to relocate e->pdr.adr with cur_fdr->adr and + ANOFFSET (pst->section_offsets, SECT_OFF_TEXT). + Unfortunately cur_fdr->adr and e->pdr.adr are both absolute + in shared libraries on some systems, and on other systems + e->pdr.adr is sometimes offset by a bogus value. + To work around these problems, we replace e->pdr.adr with + the start address of the function. */ + e->pdr.adr = BLOCK_START (b); /* Correct incorrect setjmp procedure descriptor from the library to make backtrace through setjmp work. */ |