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[PATCH v2 29/48] bsd-user: style tweak: use {} correctly
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From: |
imp |
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Subject: |
[PATCH v2 29/48] bsd-user: style tweak: use {} correctly |
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Date: |
Sat, 24 Apr 2021 09:59:57 -0600 |
From: Warner Losh <imp@bsdimp.com>
Format if/for/while statements with {} always, on a separate line
and fix a couple indentations issues for singletons.
Signed-off-by: Warner Losh <imp@bsdimp.com>
---
bsd-user/elfload.c | 147 ++++++++++++++++++++++++++++-----------------
1 file changed, 92 insertions(+), 55 deletions(-)
diff --git a/bsd-user/elfload.c b/bsd-user/elfload.c
index 75ccc06719..437ee82637 100644
--- a/bsd-user/elfload.c
+++ b/bsd-user/elfload.c
@@ -93,10 +93,12 @@ static const char *get_elf_platform(void)
{
static char elf_platform[] = "i386";
int family = object_property_get_int(OBJECT(thread_cpu), "family", NULL);
- if (family > 6)
+ if (family > 6) {
family = 6;
- if (family >= 3)
+ }
+ if (family >= 3) {
elf_platform[1] = '0' + family;
+ }
return elf_platform;
}
@@ -188,8 +190,9 @@ static inline void init_thread(struct target_pt_regs *regs,
abi_long stack = infop->start_stack;
memset(regs, 0, sizeof(*regs));
regs->ARM_cpsr = 0x10;
- if (infop->entry & 1)
+ if (infop->entry & 1) {
regs->ARM_cpsr |= CPSR_T;
+ }
regs->ARM_pc = infop->entry & 0xfffffffe;
regs->ARM_sp = infop->start_stack;
/* FIXME - what to for failure of get_user()? */
@@ -205,8 +208,7 @@ static inline void init_thread(struct target_pt_regs *regs,
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE 4096
-enum
-{
+enum {
ARM_HWCAP_ARM_SWP = 1 << 0,
ARM_HWCAP_ARM_HALF = 1 << 1,
ARM_HWCAP_ARM_THUMB = 1 << 2,
@@ -252,9 +254,9 @@ static inline void init_thread(struct target_pt_regs *regs,
#ifdef TARGET_ABI32
regs->u_regs[14] = infop->start_stack - 16 * 4;
#else
- if (personality(infop->personality) == PER_LINUX32)
+ if (personality(infop->personality) == PER_LINUX32) {
regs->u_regs[14] = infop->start_stack - 16 * 4;
- else {
+ } else {
regs->u_regs[14] = infop->start_stack - 16 * 8 - STACK_BIAS;
if (bsd_type == target_freebsd) {
regs->u_regs[8] = infop->start_stack;
@@ -520,8 +522,7 @@ static inline void init_thread(struct target_pt_regs *regs,
#include "elf.h"
-struct exec
-{
+struct exec {
unsigned int a_info; /* Use macros N_MAGIC, etc for access */
unsigned int a_text; /* length of text, in bytes */
unsigned int a_data; /* length of data, in bytes */
@@ -640,7 +641,9 @@ static abi_ulong copy_elf_strings(int argc, char **argv,
void **page,
exit(-1);
}
tmp1 = tmp;
- while (*tmp++);
+ while (*tmp++) {
+ continue;
+ }
len = tmp - tmp1;
if (p < len) { /* this shouldn't happen - 128kB */
return 0;
@@ -653,14 +656,14 @@ static abi_ulong copy_elf_strings(int argc, char **argv,
void **page,
if (!pag) {
pag = g_try_malloc0(TARGET_PAGE_SIZE);
page[p / TARGET_PAGE_SIZE] = pag;
- if (!pag)
+ if (!pag) {
return 0;
+ }
}
}
if (len == 0 || offset == 0) {
*(pag + offset) = *tmp;
- }
- else {
+ } else {
int bytes_to_copy = (len > offset) ? offset : len;
tmp -= bytes_to_copy;
p -= bytes_to_copy;
@@ -684,8 +687,9 @@ static abi_ulong setup_arg_pages(abi_ulong p, struct
linux_binprm *bprm,
* we'll use it for something else...
*/
size = x86_stack_size;
- if (size < MAX_ARG_PAGES * TARGET_PAGE_SIZE)
+ if (size < MAX_ARG_PAGES * TARGET_PAGE_SIZE) {
size = MAX_ARG_PAGES * TARGET_PAGE_SIZE;
+ }
error = target_mmap(0,
size + qemu_host_page_size,
PROT_READ | PROT_WRITE,
@@ -718,8 +722,9 @@ static void set_brk(abi_ulong start, abi_ulong end)
/* page-align the start and end addresses... */
start = HOST_PAGE_ALIGN(start);
end = HOST_PAGE_ALIGN(end);
- if (end <= start)
+ if (end <= start) {
return;
+ }
if (target_mmap(start, end - start,
PROT_READ | PROT_WRITE | PROT_EXEC,
MAP_FIXED | MAP_PRIVATE | MAP_ANON, -1, 0) == -1) {
@@ -738,8 +743,9 @@ static void padzero(abi_ulong elf_bss, abi_ulong last_bss)
{
abi_ulong nbyte;
- if (elf_bss >= last_bss)
- return;
+ if (elf_bss >= last_bss) {
+ return;
+ }
/*
* XXX: this is really a hack : if the real host page size is smaller
@@ -798,16 +804,18 @@ static abi_ulong create_elf_tables(abi_ulong p, int argc,
int envc,
*/
sp = sp & ~(abi_ulong)15;
size = (DLINFO_ITEMS + 1) * 2;
- if (k_platform)
- size += 2;
+ if (k_platform) {
+ size += 2;
+ }
#ifdef DLINFO_ARCH_ITEMS
size += DLINFO_ARCH_ITEMS * 2;
#endif
size += envc + argc + 2;
size += (!ibcs ? 3 : 1); /* argc itself */
size *= n;
- if (size & 15)
- sp -= 16 - (size & 15);
+ if (size & 15) {
+ sp -= 16 - (size & 15);
+ }
/*
* This is correct because Linux defines
@@ -834,8 +842,9 @@ static abi_ulong create_elf_tables(abi_ulong p, int argc,
int envc,
NEW_AUX_ENT(AT_EGID, (abi_ulong) getegid());
NEW_AUX_ENT(AT_HWCAP, (abi_ulong) ELF_HWCAP);
NEW_AUX_ENT(AT_CLKTCK, (abi_ulong) sysconf(_SC_CLK_TCK));
- if (k_platform)
+ if (k_platform) {
NEW_AUX_ENT(AT_PLATFORM, u_platform);
+ }
#ifdef ARCH_DLINFO
/*
* ARCH_DLINFO must come last so platform specific code can enforce
@@ -879,15 +888,16 @@ static abi_ulong load_elf_interp(struct elfhdr
*interp_elf_ex,
/* Now read in all of the header information */
-
- if (sizeof(struct elf_phdr) * interp_elf_ex->e_phnum > TARGET_PAGE_SIZE)
+ if (sizeof(struct elf_phdr) * interp_elf_ex->e_phnum > TARGET_PAGE_SIZE) {
return ~(abi_ulong)0UL;
+ }
elf_phdata = (struct elf_phdr *)
malloc(sizeof(struct elf_phdr) * interp_elf_ex->e_phnum);
- if (!elf_phdata)
+ if (!elf_phdata) {
return ~((abi_ulong)0UL);
+ }
/*
* If the size of this structure has changed, then punt, since
@@ -934,16 +944,22 @@ static abi_ulong load_elf_interp(struct elfhdr
*interp_elf_ex,
}
eppnt = elf_phdata;
- for (i = 0; i < interp_elf_ex->e_phnum; i++, eppnt++)
+ for (i = 0; i < interp_elf_ex->e_phnum; i++, eppnt++) {
if (eppnt->p_type == PT_LOAD) {
int elf_type = MAP_PRIVATE | MAP_DENYWRITE;
int elf_prot = 0;
abi_ulong vaddr = 0;
abi_ulong k;
- if (eppnt->p_flags & PF_R) elf_prot = PROT_READ;
- if (eppnt->p_flags & PF_W) elf_prot |= PROT_WRITE;
- if (eppnt->p_flags & PF_X) elf_prot |= PROT_EXEC;
+ if (eppnt->p_flags & PF_R) {
+ elf_prot = PROT_READ;
+ }
+ if (eppnt->p_flags & PF_W) {
+ elf_prot |= PROT_WRITE;
+ }
+ if (eppnt->p_flags & PF_X) {
+ elf_prot |= PROT_EXEC;
+ }
if (interp_elf_ex->e_type == ET_EXEC || load_addr_set) {
elf_type |= MAP_FIXED;
vaddr = eppnt->p_vaddr;
@@ -972,15 +988,20 @@ static abi_ulong load_elf_interp(struct elfhdr
*interp_elf_ex,
* track of the largest address we see for this.
*/
k = load_addr + eppnt->p_vaddr + eppnt->p_filesz;
- if (k > elf_bss) elf_bss = k;
+ if (k > elf_bss) {
+ elf_bss = k;
+ }
/*
* Do the same thing for the memory mapping - between
* elf_bss and last_bss is the bss section.
*/
k = load_addr + eppnt->p_memsz + eppnt->p_vaddr;
- if (k > last_bss) last_bss = k;
+ if (k > last_bss) {
+ last_bss = k;
+ }
}
+ }
/* Now use mmap to map the library into memory. */
@@ -1061,8 +1082,9 @@ static void load_symbols(struct elfhdr *hdr, int fd)
lseek(fd, hdr->e_shoff, SEEK_SET);
for (i = 0; i < hdr->e_shnum; i++) {
- if (read(fd, &sechdr, sizeof(sechdr)) != sizeof(sechdr))
+ if (read(fd, &sechdr, sizeof(sechdr)) != sizeof(sechdr)) {
return;
+ }
#ifdef BSWAP_NEEDED
bswap_shdr(&sechdr);
#endif
@@ -1244,14 +1266,13 @@ int load_elf_binary(struct linux_binprm *bprm, struct
target_pt_regs *regs,
elf_interpreter = NULL;
start_code = ~((abi_ulong)0UL);
end_code = 0;
- start_data =n 0;
+ start_data = 0;
end_data = 0;
interp_ex.a_info = 0;
for (i = 0; i < elf_ex.e_phnum; i++) {
if (elf_ppnt->p_type == PT_INTERP) {
- if (elf_interpreter != NULL)
- {
+ if (elf_interpreter != NULL) {
free(elf_phdata);
free(elf_interpreter);
close(bprm->fd);
@@ -1296,8 +1317,7 @@ int load_elf_binary(struct linux_binprm *bprm, struct
target_pt_regs *regs,
retval = open(path(elf_interpreter), O_RDONLY);
if (retval >= 0) {
interpreter_fd = retval;
- }
- else {
+ } else {
perror(elf_interpreter);
exit(-1);
}
@@ -1392,8 +1412,9 @@ int load_elf_binary(struct linux_binprm *bprm, struct
target_pt_regs *regs,
*/
for (i = 0, elf_ppnt = elf_phdata; i < elf_ex.e_phnum;
i++, elf_ppnt++) {
- if (elf_ppnt->p_type != PT_LOAD)
+ if (elf_ppnt->p_type != PT_LOAD) {
continue;
+ }
if (HOST_PAGE_ALIGN(elf_ppnt->p_vaddr) < mmap_min_addr) {
guest_base = HOST_PAGE_ALIGN(mmap_min_addr);
break;
@@ -1419,12 +1440,19 @@ int load_elf_binary(struct linux_binprm *bprm, struct
target_pt_regs *regs,
int elf_flags = 0;
abi_ulong error;
- if (elf_ppnt->p_type != PT_LOAD)
+ if (elf_ppnt->p_type != PT_LOAD) {
continue;
+ }
- if (elf_ppnt->p_flags & PF_R) elf_prot |= PROT_READ;
- if (elf_ppnt->p_flags & PF_W) elf_prot |= PROT_WRITE;
- if (elf_ppnt->p_flags & PF_X) elf_prot |= PROT_EXEC;
+ if (elf_ppnt->p_flags & PF_R) {
+ elf_prot |= PROT_READ;
+ }
+ if (elf_ppnt->p_flags & PF_W) {
+ elf_prot |= PROT_WRITE;
+ }
+ if (elf_ppnt->p_flags & PF_X) {
+ elf_prot |= PROT_EXEC;
+ }
elf_flags = MAP_PRIVATE | MAP_DENYWRITE;
if (elf_ex.e_type == ET_EXEC || load_addr_set) {
elf_flags |= MAP_FIXED;
@@ -1460,8 +1488,9 @@ int load_elf_binary(struct linux_binprm *bprm, struct
target_pt_regs *regs,
}
#ifdef LOW_ELF_STACK
- if (TARGET_ELF_PAGESTART(elf_ppnt->p_vaddr) < elf_stack)
+ if (TARGET_ELF_PAGESTART(elf_ppnt->p_vaddr) < elf_stack) {
elf_stack = TARGET_ELF_PAGESTART(elf_ppnt->p_vaddr);
+ }
#endif
if (!load_addr_set) {
@@ -1475,19 +1504,26 @@ int load_elf_binary(struct linux_binprm *bprm, struct
target_pt_regs *regs,
}
}
k = elf_ppnt->p_vaddr;
- if (k < start_code)
+ if (k < start_code) {
start_code = k;
- if (start_data < k)
+ }
+ if (start_data < k) {
start_data = k;
+ }
k = elf_ppnt->p_vaddr + elf_ppnt->p_filesz;
- if (k > elf_bss)
+ if (k > elf_bss) {
elf_bss = k;
- if ((elf_ppnt->p_flags & PF_X) && end_code < k)
+ }
+ if ((elf_ppnt->p_flags & PF_X) && end_code < k) {
end_code = k;
- if (end_data < k)
+ }
+ if (end_data < k) {
end_data = k;
+ }
k = elf_ppnt->p_vaddr + elf_ppnt->p_memsz;
- if (k > elf_brk) elf_brk = k;
+ if (k > elf_brk) {
+ elf_brk = k;
+ }
}
elf_entry += load_bias;
@@ -1501,8 +1537,7 @@ int load_elf_binary(struct linux_binprm *bprm, struct
target_pt_regs *regs,
if (elf_interpreter) {
if (interpreter_type & 1) {
elf_entry = load_aout_interp(&interp_ex, interpreter_fd);
- }
- else if (interpreter_type & 2) {
+ } else if (interpreter_type & 2) {
elf_entry = load_elf_interp(&interp_elf_ex, interpreter_fd,
&interp_load_addr);
}
@@ -1521,10 +1556,13 @@ int load_elf_binary(struct linux_binprm *bprm, struct
target_pt_regs *regs,
free(elf_phdata);
- if (qemu_log_enabled())
+ if (qemu_log_enabled()) {
load_symbols(&elf_ex, bprm->fd);
+ }
- if (interpreter_type != INTERPRETER_AOUT) close(bprm->fd);
+ if (interpreter_type != INTERPRETER_AOUT) {
+ close(bprm->fd);
+ }
info->personality = (ibcs2_interpreter ? PER_SVR4 : PER_LINUX);
#ifdef LOW_ELF_STACK
@@ -1554,8 +1592,7 @@ int load_elf_binary(struct linux_binprm *bprm, struct
target_pt_regs *regs,
padzero(elf_bss, elf_brk);
- if (info->personality == PER_SVR4)
- {
+ if (info->personality == PER_SVR4) {
/*
* Why this, you ask??? Well SVr4 maps page 0 as read-only, and
* some applications "depend" upon this behavior. Since we do not
--
2.22.1
- [PATCH v2 33/48] bsd-user: style tweak: Use preferred block comments, (continued)
- [PATCH v2 33/48] bsd-user: style tweak: Use preferred block comments, imp, 2021/04/24
- [PATCH v2 37/48] bsd-user: style tweak: don't assign in if statements, imp, 2021/04/24
- [PATCH v2 41/48] bsd-user: style tweak: don't assign in if statements, imp, 2021/04/24
- [PATCH v2 40/48] bsd-user: style tweak: Use preferred block comments, imp, 2021/04/24
- [PATCH v2 43/48] bsd-user: style tweak: fold long lines, imp, 2021/04/24
- [PATCH v2 29/48] bsd-user: style tweak: use {} correctly,
imp <=
- [PATCH v2 23/48] bsd-user: introduce host_os.h for bsd-specific code and defaults, imp, 2021/04/24
- [PATCH v2 45/48] bsd-user: style tweak: Use preferred {} in if/else statements., imp, 2021/04/24
- [PATCH v2 31/48] bsd-user: style tweak: use {} for all if statements, format else correctly, imp, 2021/04/24
- [PATCH v2 39/48] bsd-user: style tweak: spaces around =, remove stray space, imp, 2021/04/24
- [PATCH v2 11/48] bsd-user: style tweak: Remove #if 0'd code, imp, 2021/04/24