diff options
Diffstat (limited to 'gdb/solib-svr4.c')
| -rw-r--r-- | gdb/solib-svr4.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/gdb/solib-svr4.c b/gdb/solib-svr4.c index ef04dd7..d45cd92 100644 --- a/gdb/solib-svr4.c +++ b/gdb/solib-svr4.c @@ -1369,8 +1369,8 @@ enable_break (struct svr4_info *info, int from_tty) sym_addr = gdbarch_addr_bits_remove (target_gdbarch, gdbarch_convert_from_func_ptr_addr (target_gdbarch, - sym_addr, - ¤t_target)); + sym_addr, + ¤t_target)); /* On at least some versions of Solaris there's a dynamic relocation on _r_debug.r_brk and SYM_ADDR may not be relocated yet, e.g., if @@ -1788,8 +1788,8 @@ svr4_exec_displacement (CORE_ADDR *displacementp) may be different from EXEC_BFD as the file may have been prelinked to a different address after the executable has been loaded. Moreover the address of placement in target memory can be - different from what the program headers in target memory say - this - is the goal of PIE. + different from what the program headers in target memory say - + this is the goal of PIE. Detected DISPLACEMENT covers both the offsets of PIE placement and possible new prelink performed after start of the program. Here @@ -1799,7 +1799,8 @@ svr4_exec_displacement (CORE_ADDR *displacementp) if (phdrs_size != phdrs2_size || bfd_get_arch_size (exec_bfd) != arch_size) ok = 0; - else if (arch_size == 32 && phdrs_size >= sizeof (Elf32_External_Phdr) + else if (arch_size == 32 + && phdrs_size >= sizeof (Elf32_External_Phdr) && phdrs_size % sizeof (Elf32_External_Phdr) == 0) { Elf_Internal_Ehdr *ehdr2 = elf_tdata (exec_bfd)->elf_header; @@ -1862,11 +1863,13 @@ svr4_exec_displacement (CORE_ADDR *displacementp) /* Check also other adjustment combinations - PR 11786. */ - vaddr = extract_unsigned_integer (buf_vaddr_p, 4, byte_order); + vaddr = extract_unsigned_integer (buf_vaddr_p, 4, + byte_order); vaddr -= displacement; store_unsigned_integer (buf_vaddr_p, 4, byte_order, vaddr); - paddr = extract_unsigned_integer (buf_paddr_p, 4, byte_order); + paddr = extract_unsigned_integer (buf_paddr_p, 4, + byte_order); paddr -= displacement; store_unsigned_integer (buf_paddr_p, 4, byte_order, paddr); @@ -1905,7 +1908,8 @@ svr4_exec_displacement (CORE_ADDR *displacementp) break; } } - else if (arch_size == 64 && phdrs_size >= sizeof (Elf64_External_Phdr) + else if (arch_size == 64 + && phdrs_size >= sizeof (Elf64_External_Phdr) && phdrs_size % sizeof (Elf64_External_Phdr) == 0) { Elf_Internal_Ehdr *ehdr2 = elf_tdata (exec_bfd)->elf_header; @@ -1968,11 +1972,13 @@ svr4_exec_displacement (CORE_ADDR *displacementp) /* Check also other adjustment combinations - PR 11786. */ - vaddr = extract_unsigned_integer (buf_vaddr_p, 8, byte_order); + vaddr = extract_unsigned_integer (buf_vaddr_p, 8, + byte_order); vaddr -= displacement; store_unsigned_integer (buf_vaddr_p, 8, byte_order, vaddr); - paddr = extract_unsigned_integer (buf_paddr_p, 8, byte_order); + paddr = extract_unsigned_integer (buf_paddr_p, 8, + byte_order); paddr -= displacement; store_unsigned_integer (buf_paddr_p, 8, byte_order, paddr); |