调试as时,会自动下断点，什么原理?
# gdb as-new
GNU gdb (GDB) 7.0
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Reading symbols from /root/binutils-2.18/gas/as-new...done.
Breakpoint 1 at 0x805c460: file messages.c, line 187.
Breakpoint 2 at 0x805c4aa: file messages.c, line 225.
Breakpoint 3 at 0x805c5a1: file messages.c, line 288.
Breakpoint 4 at 0x805c5e2: file messages.c, line 323.
Breakpoint 5 at 0x805c622: file messages.c, line 360.
Breakpoint 6 at 0x805c6a3: file messages.c, line 396.
Breakpoint 7 at 0x805c754: file messages.c, line 413.
Breakpoint 8 at 0x8049240
(gdb) i b
Num Type Disp Enb Address What
1 breakpoint keep y 0x0805c460 in as_warn at messages.c:187
2 breakpoint keep y 0x0805c4aa in as_warn_where at messages.c:225
3 breakpoint keep y 0x0805c5a1 in as_bad at messages.c:288
4 breakpoint keep y 0x0805c5e2 in as_bad_where at messages.c:323
5 breakpoint keep y 0x0805c622 in as_fatal at messages.c:360
6 breakpoint keep y 0x0805c6a3 in as_assert at messages.c:396
7 breakpoint keep y 0x0805c754 in as_abort at messages.c:413
8 breakpoint keep y 0x08049240 <abort@plt>
(gdb)
build 目录下有一个 .gdbinit 。 果然是的，谢谢
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