diff options
Diffstat (limited to 'gdb/mipsnbsd-tdep.c')
-rw-r--r-- | gdb/mipsnbsd-tdep.c | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/gdb/mipsnbsd-tdep.c b/gdb/mipsnbsd-tdep.c index 6031286..282ce69 100644 --- a/gdb/mipsnbsd-tdep.c +++ b/gdb/mipsnbsd-tdep.c @@ -312,10 +312,13 @@ mipsnbsd_cannot_store_register (int regno) || regno == mips_regnum (current_gdbarch)->fp_implementation_revision); } -/* NetBSD/mips uses a slightly different link_map structure from the +/* Shared library support. */ + +/* NetBSD/mips uses a slightly different `struct link_map' than the other NetBSD platforms. */ + static struct link_map_offsets * -mipsnbsd_ilp32_solib_svr4_fetch_link_map_offsets (void) +mipsnbsd_ilp32_fetch_link_map_offsets (void) { static struct link_map_offsets lmo; static struct link_map_offsets *lmp = NULL; @@ -324,22 +327,19 @@ mipsnbsd_ilp32_solib_svr4_fetch_link_map_offsets (void) { lmp = &lmo; - lmo.r_debug_size = 16; - + /* Everything we need is in the first 8 bytes. */ + lmo.r_debug_size = 8; lmo.r_map_offset = 4; lmo.r_map_size = 4; + /* Everything we need is in the first 24 bytes. */ lmo.link_map_size = 24; - lmo.l_addr_offset = 4; lmo.l_addr_size = 4; - lmo.l_name_offset = 8; lmo.l_name_size = 4; - lmo.l_next_offset = 16; lmo.l_next_size = 4; - lmo.l_prev_offset = 20; lmo.l_prev_size = 4; } @@ -348,7 +348,7 @@ mipsnbsd_ilp32_solib_svr4_fetch_link_map_offsets (void) } static struct link_map_offsets * -mipsnbsd_lp64_solib_svr4_fetch_link_map_offsets (void) +mipsnbsd_lp64_fetch_link_map_offsets (void) { static struct link_map_offsets lmo; static struct link_map_offsets *lmp = NULL; @@ -357,28 +357,26 @@ mipsnbsd_lp64_solib_svr4_fetch_link_map_offsets (void) { lmp = &lmo; - lmo.r_debug_size = 32; - + /* Everything we need is in the first 16 bytes. */ + lmo.r_debug_size = 16; lmo.r_map_offset = 8; lmo.r_map_size = 8; + /* Everything we need is in the first 40 bytes. */ lmo.link_map_size = 48; - lmo.l_addr_offset = 0; lmo.l_addr_size = 8; - lmo.l_name_offset = 16; lmo.l_name_size = 8; - lmo.l_next_offset = 32; lmo.l_next_size = 8; - lmo.l_prev_offset = 40; lmo.l_prev_size = 8; } return lmp; } + static void mipsnbsd_init_abi (struct gdbarch_info info, @@ -394,10 +392,11 @@ mipsnbsd_init_abi (struct gdbarch_info info, set_gdbarch_software_single_step (gdbarch, mips_software_single_step); - set_solib_svr4_fetch_link_map_offsets (gdbarch, - gdbarch_ptr_bit (gdbarch) == 32 ? - mipsnbsd_ilp32_solib_svr4_fetch_link_map_offsets : - mipsnbsd_lp64_solib_svr4_fetch_link_map_offsets); + /* NetBSD/mips has SVR4-style shared libraries. */ + set_solib_svr4_fetch_link_map_offsets + (gdbarch, (gdbarch_ptr_bit (gdbarch) == 32 ? + mipsnbsd_ilp32_fetch_link_map_offsets : + mipsnbsd_lp64_fetch_link_map_offsets)); } |