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Make fixes and improvements

Browse source 
- Document more compiler flags
- Expose new __print_maps() api
- Better overflow checking in mmap()
- Improve the shell example somewhat
- Fix minor runtime bugs regarding stacks
- Make kill() on fork()+execve()'d children work
- Support CLONE_CHILD_CLEARTID for proper joining
- Fix recent possible deadlock regression with --ftrace
This commit is contained in:
Justine Tunney 2022-05-19 16:57:49 -07:00
parent 6e52cba37a
commit ec2cb88058
68 changed files with 1211 additions and 431 deletions
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11
libc/nt/enum/th32cs.h Normal file
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@ -0,0 +1,11 @@
#ifndef COSMOPOLITAN_LIBC_NT_ENUM_TH32CS_H_
#define COSMOPOLITAN_LIBC_NT_ENUM_TH32CS_H_
#define kNtTh32csInherit 0x80000000
#define kNtTh32csSnapheaplist 0x00000001
#define kNtTh32csSnapmodule 0x00000008
#define kNtTh32csSnapmodule32 0x00000010
#define kNtTh32csSnapprocess 0x00000002
#define kNtTh32csSnapthread 0x00000004
#endif /* COSMOPOLITAN_LIBC_NT_ENUM_TH32CS_H_ */

12
libc/nt/kernel32/CreateToolhelp32Snapshot.s
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@ -1,2 +1,12 @@
.include "o/libc/nt/codegen.inc"
.imp kernel32,__imp_CreateToolhelp32Snapshot,CreateToolhelp32Snapshot,250
.imp kernel32,__imp_CreateToolhelp32Snapshot,CreateToolhelp32Snapshot,0
.text.windows
CreateToolhelp32Snapshot:
push %rbp
mov %rsp,%rbp
.profilable
mov __imp_CreateToolhelp32Snapshot(%rip),%rax
jmp __sysv2nt
.endfn CreateToolhelp32Snapshot,globl
.previous

12
libc/nt/kernel32/Process32FirstW.s
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@ -1,2 +1,12 @@
.include "o/libc/nt/codegen.inc"
.imp kernel32,__imp_Process32FirstW,Process32FirstW,1065
.imp kernel32,__imp_Process32FirstW,Process32FirstW,0
.text.windows
Process32First:
push %rbp
mov %rsp,%rbp
.profilable
mov __imp_Process32FirstW(%rip),%rax
jmp __sysv2nt
.endfn Process32First,globl
.previous

12
libc/nt/kernel32/Process32NextW.s
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@ -1,2 +1,12 @@
.include "o/libc/nt/codegen.inc"
.imp kernel32,__imp_Process32NextW,Process32NextW,1067
.imp kernel32,__imp_Process32NextW,Process32NextW,0
.text.windows
Process32Next:
push %rbp
mov %rsp,%rbp
.profilable
mov __imp_Process32NextW(%rip),%rax
jmp __sysv2nt
.endfn Process32Next,globl
.previous

6
libc/nt/master.sh
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@ -208,7 +208,7 @@ imp 'CreateThreadpoolWait' CreateThreadpoolWait kernel32 0
imp 'CreateThreadpoolWork' CreateThreadpoolWork kernel32 0
imp 'CreateTimerQueue' CreateTimerQueue kernel32 0
imp 'CreateTimerQueueTimer' CreateTimerQueueTimer kernel32 0
imp 'CreateToolhelp32Snapshot' CreateToolhelp32Snapshot kernel32 250
imp 'CreateToolhelp32Snapshot' CreateToolhelp32Snapshot kernel32 0 2
imp 'CreateUmsCompletionList' CreateUmsCompletionList kernel32 251
imp 'CreateUmsThreadContext' CreateUmsThreadContext kernel32 252
imp 'CreateWaitableTimer' CreateWaitableTimerW kernel32 0 3
@ -934,8 +934,8 @@ imp 'PowerSetRequest' PowerSetRequest kernel32 1059
imp 'PrefetchVirtualMemory' PrefetchVirtualMemory kernel32 0 4
imp 'PrepareTape' PrepareTape kernel32 1061
imp 'PrivMoveFileIdentity' PrivMoveFileIdentityW kernel32 1063
imp 'Process32First' Process32FirstW kernel32 1065
imp 'Process32Next' Process32NextW kernel32 1067
imp 'Process32First' Process32FirstW kernel32 0 2
imp 'Process32Next' Process32NextW kernel32 0 2
imp 'ProcessIdToSessionId' ProcessIdToSessionId kernel32 0
imp 'PssCaptureSnapshot' PssCaptureSnapshot kernel32 0
imp 'PssDuplicateSnapshot' PssDuplicateSnapshot kernel32 0

5
libc/nt/process.h
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@ -1,6 +1,7 @@
#ifndef COSMOPOLITAN_LIBC_NT_PROCESS_H_
#define COSMOPOLITAN_LIBC_NT_PROCESS_H_
#include "libc/nt/startupinfo.h"
#include "libc/nt/struct/processentry32.h"
#include "libc/nt/struct/processinformation.h"
#include "libc/nt/struct/processmemorycounters.h"
#include "libc/nt/struct/securityattributes.h"
@ -73,6 +74,10 @@ bool32 GetProcessMemoryInfo(
int64_t hProcess, struct NtProcessMemoryCountersEx *out_ppsmemCounters,
uint32_t cb);
int64_t CreateToolhelp32Snapshot(uint32_t dwFlags, uint32_t th32ProcessID);
bool32 Process32First(int64_t hSnapshot, struct NtProcessEntry32 *in_out_lppe);
bool32 Process32Next(int64_t hSnapshot, struct NtProcessEntry32 *out_lppe);
#if ShouldUseMsabiAttribute()
#include "libc/nt/thunk/process.inc"
#endif /* ShouldUseMsabiAttribute() */

19
libc/nt/struct/processentry32.h Normal file
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@ -0,0 +1,19 @@
#ifndef COSMOPOLITAN_LIBC_NT_STRUCT_PROCESSENTRY32_H_
#define COSMOPOLITAN_LIBC_NT_STRUCT_PROCESSENTRY32_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
struct NtProcessEntry32 {
uint32_t dwSize;
uint32_t cntUsage; /* unused */
uint32_t th32ProcessID;
uint64_t th32DefaultHeapID; /* unused */
uint32_t th32ModuleID; /* unused */
uint32_t cntThreads;
uint32_t th32ParentProcessID;
int32_t cPriClassBase;
uint32_t dwFlags; /* unused */
char16_t szExeFile[260];
};
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_NT_STRUCT_PROCESSENTRY32_H_ */