From: Ralph Ronnquist <ralph.ronnquist@gmail.com>
Date: Fri, 25 Mar 2022 23:33:19 +0000 (+1100)
Subject: renamed directory
X-Git-Tag: deb_0.1~16
X-Git-Url: https://git.rrq.au/?a=commitdiff_plain;h=f5e7beadac9de48620d025c86b9af07001403cda;p=rrq%2Foverlay-boot.git

renamed directory
---

diff --git a/asm/.gitignore b/asm/.gitignore
new file mode 100644
index 0000000..da4ed25
--- /dev/null
+++ b/asm/.gitignore
@@ -0,0 +1 @@
+reaper
diff --git a/asm/Makefile b/asm/Makefile
new file mode 100644
index 0000000..4afe034
--- /dev/null
+++ b/asm/Makefile
@@ -0,0 +1,6 @@
+reaper: reaper.asm
+	fasm $^ $@
+	chmod a+x $@
+
+clean:
+	rm -f reaper
diff --git a/asm/reaper.asm b/asm/reaper.asm
new file mode 100644
index 0000000..0086a8f
--- /dev/null
+++ b/asm/reaper.asm
@@ -0,0 +1,73 @@
+;;; This is a "repear" program that merely waits for child processes
+;;; to appear and "reap" them, i.e. read their exit status to let them
+;;; exit. The program allows an arbitrary first argument that is
+;;; indended for identifying the reaper process.
+
+	format elf64 executable
+	entry main
+
+	;; A data segment
+	segment readable writable
+
+	;; sigset_t set -- bit mask for sigprocmask
+set:	dq -1	; all bits set
+	
+;;; siginfo_t status -- all ignored
+status:	rept 16 { dq 0 }
+status$end:
+	
+;;; A code segment
+	segment readable executable
+	
+;;; Main entry point
+main:
+	;; if (getpid() != 1) exit 1;
+	mov rax, qword 39
+	syscall
+	cmp rax, 1
+	je pid_1
+	
+	;; exit(1)
+	mov rdi, qword 1
+	mov rax, qword 60
+        syscall 		; exit program
+
+	;; Continue here for pid 1 only
+pid_1:
+	;; Block all signals
+	;; sigprocmask(SIG_BLOCK, &set, 0);
+	xor rdi, rdi		; SIG_BLOCK = 0
+	lea rsi, [set]		; *set
+	xor rdx, rdx		; 0
+	xor r10, r10		; 0
+	mov rax, qword 14 	; sys_rt_sigprocmask
+	syscall
+
+	;; loop waiting for children, and reading their exit status
+reaper:
+	;; first clear status area again
+	cld
+	xor rax, rax
+	lea rsi, [status$end]
+	lea rdi, [status]
+clear:	stosq
+	cmp rdi,rsi
+	jl clear
+	
+	;; waitid( idtype, id, *status, options )
+	xor rdi, rdi	  ;  idtype_t idtype = P_ALL = 0
+	xor rsi, rsi	  ; int id = 0
+	lea rdx, [status] ; siginfo_t* = &status
+	mov r10, 4	  ; int options = WEXITED = 4
+	mov rax, 247	  ; waitid
+	syscall
+
+	cmp rax,-10	  ; -10 = ECHILD (no child processes)
+	jne reaper
+
+	mov rdi, rax
+	mov rax, qword 60
+        syscall 	; exit program
+
+;;; The rest of memory is not executable
+	segment readable writable
diff --git a/reaper/.gitignore b/reaper/.gitignore
deleted file mode 100644
index da4ed25..0000000
--- a/reaper/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-reaper
diff --git a/reaper/Makefile b/reaper/Makefile
deleted file mode 100644
index 4afe034..0000000
--- a/reaper/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-reaper: reaper.asm
-	fasm $^ $@
-	chmod a+x $@
-
-clean:
-	rm -f reaper
diff --git a/reaper/reaper.asm b/reaper/reaper.asm
deleted file mode 100644
index 0086a8f..0000000
--- a/reaper/reaper.asm
+++ /dev/null
@@ -1,73 +0,0 @@
-;;; This is a "repear" program that merely waits for child processes
-;;; to appear and "reap" them, i.e. read their exit status to let them
-;;; exit. The program allows an arbitrary first argument that is
-;;; indended for identifying the reaper process.
-
-	format elf64 executable
-	entry main
-
-	;; A data segment
-	segment readable writable
-
-	;; sigset_t set -- bit mask for sigprocmask
-set:	dq -1	; all bits set
-	
-;;; siginfo_t status -- all ignored
-status:	rept 16 { dq 0 }
-status$end:
-	
-;;; A code segment
-	segment readable executable
-	
-;;; Main entry point
-main:
-	;; if (getpid() != 1) exit 1;
-	mov rax, qword 39
-	syscall
-	cmp rax, 1
-	je pid_1
-	
-	;; exit(1)
-	mov rdi, qword 1
-	mov rax, qword 60
-        syscall 		; exit program
-
-	;; Continue here for pid 1 only
-pid_1:
-	;; Block all signals
-	;; sigprocmask(SIG_BLOCK, &set, 0);
-	xor rdi, rdi		; SIG_BLOCK = 0
-	lea rsi, [set]		; *set
-	xor rdx, rdx		; 0
-	xor r10, r10		; 0
-	mov rax, qword 14 	; sys_rt_sigprocmask
-	syscall
-
-	;; loop waiting for children, and reading their exit status
-reaper:
-	;; first clear status area again
-	cld
-	xor rax, rax
-	lea rsi, [status$end]
-	lea rdi, [status]
-clear:	stosq
-	cmp rdi,rsi
-	jl clear
-	
-	;; waitid( idtype, id, *status, options )
-	xor rdi, rdi	  ;  idtype_t idtype = P_ALL = 0
-	xor rsi, rsi	  ; int id = 0
-	lea rdx, [status] ; siginfo_t* = &status
-	mov r10, 4	  ; int options = WEXITED = 4
-	mov rax, 247	  ; waitid
-	syscall
-
-	cmp rax,-10	  ; -10 = ECHILD (no child processes)
-	jne reaper
-
-	mov rdi, rax
-	mov rax, qword 60
-        syscall 	; exit program
-
-;;; The rest of memory is not executable
-	segment readable writable