arm

How to rename dynamic symbols in arm elf .so file?

由 独自空忆成欢 提交于 2021-01-16 12:07:38
问题 I need to modify a so inside an Android APK. The task is to rename the dynamic symbols in side the so (which is the function name). For example, change from Java_com_example_abc_.... to Java_com_yahoo_zzz_.... I try to use WinHex directly search and replace text words, the apk startup error. Seems like the .hash section also needs to be updated, but i do not know how to update the .hash section. My question is what is the correct or preferable way to rename the dynamic Symbol? I heave been

How to rename dynamic symbols in arm elf .so file?

由 你。 提交于 2021-01-16 12:07:02
问题 I need to modify a so inside an Android APK. The task is to rename the dynamic symbols in side the so (which is the function name). For example, change from Java_com_example_abc_.... to Java_com_yahoo_zzz_.... I try to use WinHex directly search and replace text words, the apk startup error. Seems like the .hash section also needs to be updated, but i do not know how to update the .hash section. My question is what is the correct or preferable way to rename the dynamic Symbol? I heave been

How to rename dynamic symbols in arm elf .so file?

由 折月煮酒 提交于 2021-01-16 12:06:38
问题 I need to modify a so inside an Android APK. The task is to rename the dynamic symbols in side the so (which is the function name). For example, change from Java_com_example_abc_.... to Java_com_yahoo_zzz_.... I try to use WinHex directly search and replace text words, the apk startup error. Seems like the .hash section also needs to be updated, but i do not know how to update the .hash section. My question is what is the correct or preferable way to rename the dynamic Symbol? I heave been

How to rename dynamic symbols in arm elf .so file?

由 倖福魔咒の 提交于 2021-01-16 12:03:10
问题 I need to modify a so inside an Android APK. The task is to rename the dynamic symbols in side the so (which is the function name). For example, change from Java_com_example_abc_.... to Java_com_yahoo_zzz_.... I try to use WinHex directly search and replace text words, the apk startup error. Seems like the .hash section also needs to be updated, but i do not know how to update the .hash section. My question is what is the correct or preferable way to rename the dynamic Symbol? I heave been

How to rename dynamic symbols in arm elf .so file?

由 和自甴很熟 提交于 2021-01-16 12:02:07
问题 I need to modify a so inside an Android APK. The task is to rename the dynamic symbols in side the so (which is the function name). For example, change from Java_com_example_abc_.... to Java_com_yahoo_zzz_.... I try to use WinHex directly search and replace text words, the apk startup error. Seems like the .hash section also needs to be updated, but i do not know how to update the .hash section. My question is what is the correct or preferable way to rename the dynamic Symbol? I heave been

ARM Cortex A9 VS A8

由 你。 提交于 2021-01-13 23:06:34
前言： 　　互联网机顶盒的CPU更新换代的速度已经迈进了一个日新月异的阶段，去年的RTL1185大为风光，而新的一年， Cortex-A8、A9这对同门兄弟又将我们网络播放器带入智能世界。而这对兄弟谁强谁弱却一直是大家争论的焦点。今天我们主要就是要来了解一下Cortex-A8/ Cortex-A9这两代架构的处理器有什么实质上的区别，Cortex-A9又会对互联网机顶盒的性能表现带来什么样的提升。 　　当然，从纯粹的技术角度对两款处理器进行深入了解需要极为丰富的专业知识，不仅晦涩难懂，而且比较枯燥，今天我们就尽量深入浅出，用最直白的介绍和大家一起分享两款处理器的对比结果。 　　背景介绍： 　　在了解Cortex-A8/ Cortex-A9这两款架构的处理器之前，我们先来简单了解一下他们的背景。Cortex-A8/ Cortex-A9都是来自AMR公司的处理器解决方案，把Cortex-A8/ Cortex-A9这两款产品作为CPU的架构来说，更容易理解。 　　也就是说，最终出现在产品中的CPU可能来自我们熟知的几个芯片大厂，但用的都是ARM架构。瑞芯微的RK2918、Marvell的88DE3010，三星的S5PV210都同属于Cortex-A8架构，Cortex-A9架构的芯片有海思的Hi3716和AMLogic的AML8726。 Cortex A9核心的海思主控芯片 　

Linking fail for arm cross compiler

由 懵懂的女人 提交于 2021-01-07 03:06:33
问题 I do not know much about cross-comping. I am using eclipse on linux machine to cross compile armv7-a Hellow world Example. #include <iostream> using namespace std; int main() { cout << "!!!Hello World!!!" << endl; // prints !!!Hello World!!! return 0; } cross settings : arm-none-eabi- path : /usr/lib/arm-none-eabi cross g++ compiler :g++ -c -fmessage-length=0 -mcpu=cortex-m3 -march=armv7-a I got the following linker error : 13:54:47 **** Incremental Build of configuration Debug for project

Linking fail for arm cross compiler

由 百般思念 提交于 2021-01-07 03:05:20
问题 I do not know much about cross-comping. I am using eclipse on linux machine to cross compile armv7-a Hellow world Example. #include <iostream> using namespace std; int main() { cout << "!!!Hello World!!!" << endl; // prints !!!Hello World!!! return 0; } cross settings : arm-none-eabi- path : /usr/lib/arm-none-eabi cross g++ compiler :g++ -c -fmessage-length=0 -mcpu=cortex-m3 -march=armv7-a I got the following linker error : 13:54:47 **** Incremental Build of configuration Debug for project

CMake Assembler Errors: No such instruction

由 ぃ、小莉子 提交于 2021-01-07 02:54:29
问题 Hello I am trying to build a FreeRTOS application for a Beaglebone black target which has a AM335X ARM Cortex-A8 processor. I am running windows but i am using a virtual machine that runs linux debian 10 which is what i am cross compiling from. uname -a provides: Linux debian 4.19.0-13-amd64 #1 SMP Debian 4.19.160-2 (2020-11-28) x86_64 GNU/Linux My project can be found here: https://github.com/frank2597/FreeRTOS_BBB I am getting various assembler errors when i try to compile with arm-linux

LDR and EQU in ARM Assembly

由 社会主义新天地 提交于 2021-01-07 02:33:20
问题 This my assembly code. a EQU 0x20000000 b EQU 0x20000004 c EQU 0x20000008 LDR R4, =a LDR R0, [R4] LDR R4, =b LDR R1, [R4] LDR R4, =c I had two questions. what after LDR R0, [R4] what goes inside R[4] ? 0x20000000 or contents of the memory at 0x20000000 ? And second, after the last line, what goes inside R4 ? c or contents of memory at 0x20000008 ? I've searched the internet about EQU and LDR, my own guess is that to all to questions, it goes the contents of the memory, but I'm confused
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