X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=doc%2Fuserprog.texi;h=67af709bacc78df837ea7fc8a59eab4528728c49;hb=919347c164606c3f1544b2e8bd62f505aeda80a1;hp=cf01158423f9540ce0d91bf7aa3c745d00d71709;hpb=a03618133f7df0954802a470a4bee7674f7aed45;p=pintos-anon diff --git a/doc/userprog.texi b/doc/userprog.texi index cf01158..67af709 100644 --- a/doc/userprog.texi +++ b/doc/userprog.texi @@ -261,7 +261,7 @@ processor's floating-point unit when switching threads. The @file{src/examples} directory contains a few sample user programs. The @file{Makefile} in this directory -compiles the provided examples, and you can edit it +compiles the provided examples, and you can edit it to compile your own programs as well. Some of the example programs will only work once projects 3 or 4 have been implemented. @@ -371,7 +371,7 @@ data segment can be adjusted with a system call, but you will not have to implement this. The code segment in Pintos starts at user virtual address -@t{0x08084000}, approximately 128 MB from the bottom of the address +@t{0x08048000}, approximately 128 MB from the bottom of the address space. This value is specified in @bibref{SysV-i386} and has no deep significance. @@ -600,8 +600,8 @@ programs only.) System call numbers for each system call are defined in @file{lib/syscall-nr.h}: @deftypefn {System Call} void halt (void) -Terminates Pintos by calling @func{power_off} (declared in -@file{threads/init.h}). This should be seldom used, because you lose +Terminates Pintos by calling @func{shutdown_power_off} (declared in +@file{devices/shutdown.h}). This should be seldom used, because you lose some information about possible deadlock situations, etc. @end deftypefn @@ -924,7 +924,7 @@ Modify @file{src/examples/Makefile}, then run @command{make}. @item Can I run user programs under a debugger? -Yes, with some limitations. @xref{Debugging User Programs}. +Yes, with some limitations. @xref{GDB}. @item What's the difference between @code{tid_t} and @code{pid_t}?