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From: imp@bsdimp.com
To: qemu-devel@nongnu.org
Cc: kevans@freebsd.org,
	Richard Henderson <richard.henderson@linaro.org>,
	Warner Losh <imp@FreeBSD.org>, Warner Losh <imp@bsdimp.com>
Subject: [PATCH v3 31/43] bsd-user: Remove dead #ifdefs from elfload.c
Date: Thu,  2 Sep 2021 17:47:17 -0600	[thread overview]
Message-ID: <20210902234729.76141-32-imp@bsdimp.com> (raw)
In-Reply-To: <20210902234729.76141-1-imp@bsdimp.com>

From: Warner Losh <imp@FreeBSD.org>

LOW_ELF_STACK doesn't exist on FreeBSD and likely never will. Remove it.
Likewise, remove an #if 0 block that's not useful

Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 bsd-user/elfload.c | 20 --------------------
 1 file changed, 20 deletions(-)

diff --git a/bsd-user/elfload.c b/bsd-user/elfload.c
index 6156f9775d..11ca813c7a 100644
--- a/bsd-user/elfload.c
+++ b/bsd-user/elfload.c
@@ -558,9 +558,6 @@ int load_elf_binary(struct bsd_binprm *bprm, struct target_pt_regs *regs,
     abi_ulong elf_entry, interp_load_addr = 0;
     abi_ulong start_code, end_code, start_data, end_data;
     abi_ulong reloc_func_desc = 0;
-#ifdef LOW_ELF_STACK
-    abi_ulong elf_stack = ~((abi_ulong)0UL);
-#endif
 
     load_addr = 0;
     load_bias = 0;
@@ -761,11 +758,6 @@ int load_elf_binary(struct bsd_binprm *bprm, struct target_pt_regs *regs,
             exit(-1);
         }
 
-#ifdef LOW_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) {
             load_addr_set = 1;
             load_addr = elf_ppnt->p_vaddr - elf_ppnt->p_offset;
@@ -823,9 +815,6 @@ int load_elf_binary(struct bsd_binprm *bprm, struct target_pt_regs *regs,
 
     close(bprm->fd);
 
-#ifdef LOW_ELF_STACK
-    info->start_stack = bprm->p = elf_stack - 4;
-#endif
     bprm->p = target_create_elf_tables(bprm->p, bprm->argc, bprm->envc,
                                        bprm->stringp, &elf_ex, load_addr,
                                        load_bias, interp_load_addr, info);
@@ -843,15 +832,6 @@ int load_elf_binary(struct bsd_binprm *bprm, struct target_pt_regs *regs,
 
     padzero(elf_bss, elf_brk);
 
-#if 0
-    printf("(start_brk) %x\n" , info->start_brk);
-    printf("(end_code) %x\n" , info->end_code);
-    printf("(start_code) %x\n" , info->start_code);
-    printf("(end_data) %x\n" , info->end_data);
-    printf("(start_stack) %x\n" , info->start_stack);
-    printf("(brk) %x\n" , info->brk);
-#endif
-
     info->entry = elf_entry;
 
     return 0;
-- 
2.32.0



  parent reply	other threads:[~2021-09-03  0:02 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-02 23:46 [PATCH v3 00/43] bsd-user updates to run hello world imp
2021-09-02 23:46 ` [PATCH v3 01/43] bsd-user: remove sparc and sparc64 imp
2021-09-02 23:46 ` [PATCH v3 02/43] bsd-user: add copyright header to elfload.c imp
2021-09-02 23:46 ` [PATCH v3 03/43] bsd-user: Add Stacey's copyright to main.c imp
2021-09-02 23:46 ` [PATCH v3 04/43] bsd-user: add license to bsdload.c imp
2021-09-02 23:46 ` [PATCH v3 05/43] bsd-user: style nits: bsdload.c whitespace to qemu standard imp
2021-09-02 23:46 ` [PATCH v3 06/43] bsd-user: Remove all non-x86 code from elfload.c imp
2021-09-02 23:46 ` [PATCH v3 07/43] bsd-user: move arch specific defines out of elfload.c imp
2021-09-02 23:46 ` [PATCH v3 08/43] bsd-user: pass the bsd_param into loader_exec imp
2021-09-02 23:46 ` [PATCH v3 09/43] bsd-user: Fix calculation of size to allocate imp
2021-09-02 23:46 ` [PATCH v3 10/43] bsd-user: implement path searching imp
2021-09-05 10:11   ` Richard Henderson
2021-09-02 23:46 ` [PATCH v3 11/43] bsd-user: Eliminate elf personality imp
2021-09-02 23:46 ` [PATCH v3 12/43] bsd-user: remove a.out support imp
2021-09-02 23:46 ` [PATCH v3 13/43] bsd-user: TARGET_NGROUPS unused in this file, remove imp
2021-09-02 23:47 ` [PATCH v3 14/43] bsd-user: elfload: simplify bswap a bit imp
2021-09-02 23:47 ` [PATCH v3 15/43] bsd-user: assume pthreads and support of __thread imp
2021-09-02 23:47 ` [PATCH v3 16/43] bsd-user: add host-os.h imp
2021-09-02 23:47 ` [PATCH v3 17/43] bsd-user: Include host-os.h from main imp
2021-09-02 23:47 ` [PATCH v3 18/43] bsd-user: save the path to the qemu emulator imp
2021-09-05 19:04   ` Kyle Evans
2021-09-02 23:47 ` [PATCH v3 19/43] bsd-user: start to move target CPU functions to target_arch* imp
2021-09-02 23:47 ` [PATCH v3 20/43] bsd-user: Move per-cpu code into target_arch_cpu.h imp
2021-09-05 10:13   ` Richard Henderson
2021-09-02 23:47 ` [PATCH v3 21/43] bsd-user: pull in target_arch_thread.h update target_arch_elf.h imp
2021-09-05 19:03   ` Kyle Evans
2021-09-02 23:47 ` [PATCH v3 22/43] bsd-user: Include more things in qemu.h imp
2021-09-05 10:14   ` Richard Henderson
2021-09-02 23:47 ` [PATCH v3 23/43] bsd-user: define max args in terms of pages imp
2021-09-02 23:47 ` [PATCH v3 24/43] bsd-user: Create target specific vmparam.h imp
2021-09-02 23:47 ` [PATCH v3 25/43] bsd-user: Add system independent stack, data and text limiting imp
2021-09-02 23:47 ` [PATCH v3 26/43] bsd-user: *BSD specific siginfo defintions imp
2021-09-05 19:01   ` Kyle Evans
2021-09-02 23:47 ` [PATCH v3 27/43] bsd-user: Implement --seed and initialize random state imp
2021-09-05 10:32   ` Richard Henderson
2021-09-05 14:34     ` Warner Losh
2021-09-02 23:47 ` [PATCH v3 28/43] bsd-user: Move stack initializtion into a per-os file imp
2021-09-02 23:47 ` [PATCH v3 29/43] bsd-user: Add architecture specific signal tramp code imp
2021-09-02 23:47 ` [PATCH v3 30/43] bsd-user: elf cleanup imp
2021-09-05 19:00   ` Kyle Evans
2021-09-02 23:47 ` imp [this message]
2021-09-02 23:47 ` [PATCH v3 32/43] bsd-user: Rewrite target system call definintion glue imp
2021-09-05 10:33   ` Richard Henderson
2021-09-05 14:38     ` Warner Losh
2021-09-05 18:58   ` Kyle Evans
2021-09-02 23:47 ` [PATCH v3 33/43] bsd-user: Make cpu_model and cpu_type visible to all of main.c imp
2021-09-05 18:57   ` Kyle Evans
2021-09-05 22:44     ` Warner Losh
2021-09-02 23:47 ` [PATCH v3 34/43] bsd-user: update debugging in mmap.c imp
2021-09-05 18:53   ` Kyle Evans
2021-09-02 23:47 ` [PATCH v3 35/43] bsd-user: Add target_arch_reg to describe a target's register set imp
2021-09-02 23:47 ` [PATCH v3 36/43] bsd-user: Add target_os_user.h to capture the user/kernel structures imp
2021-09-05 18:52   ` Kyle Evans
2021-09-02 23:47 ` [PATCH v3 37/43] bsd-user: add stubbed out core dump support imp
2021-09-05 10:34   ` Richard Henderson
2021-09-02 23:47 ` [PATCH v3 38/43] bsd-user: elfload.c style catch up patch imp
2021-09-02 23:47 ` [PATCH v3 39/43] bsd-user: Refactor load_elf_sections and is_target_elf_binary imp
2021-09-05 18:50   ` Kyle Evans
2021-09-02 23:47 ` [PATCH v3 40/43] bsd-user: move qemu_log to later in the file imp
2021-09-05 18:42   ` Kyle Evans
2021-09-02 23:47 ` [PATCH v3 41/43] bsd-user: Implement interlock for atomic operations imp
2021-09-02 23:47 ` [PATCH v3 42/43] bsd-user: Add '-0 argv0' option to bsd-user/main.c imp
2021-09-02 23:47 ` [PATCH v3 43/43] bsd-user: Update mapping to handle reserved and starting conditions imp
2021-09-05 18:39   ` Kyle Evans

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